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Review Article:
A systematic review and meta-analysis of the role of nutrition and its impact on orthodontic treatment/management
Mohammad Khursheed Alam, Huda Abutayyem, Haytham Jamil Alswairki, Mohammad Younis Hajeer, Yahya Abdullah Alogaibi
J Orthodont Sci
2023, 12:41 (4 September 2023)
DOI
:10.4103/jos.jos_85_23
The nutritional needs already increased by adolescent growth, activity, and stress are further exacerbated by the physical, physiological, and psychological stress that orthodontic treatment causes. Hence, the main objective of this systematic review was to analyze the relationship between adequate nutrition and its impact on orthodontic treatment success rates. Using relevant keywords, reference searches, and citation searches, the databases such as PubMed–Medical Literature Analysis and Retrieval System Online, Web of Science, Cochrane, and Scopus were all searched. “Diet,” “Minerals,” “Nutrition,” “Orthodontics,” and “Vitamins” were the search terms used to scour the database. The 10 studies selected for the systematic review and subsequent meta-analysis could not conclusively establish the correlation between proper nutrition and its impact on orthodontic treatment of the patient. There was virtually little connection between patients' dietary intake and the effectiveness of their orthodontic treatment. Additionally, a direct causal link between the two could not be established legitimately because the majority of the studies reviewed only noted an impact during the early stages of the treatment.
PROSPERO Registration Number:
CRD42022380828
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Review Article:
Evaluating orthodontic bracket slot dimensions and morphology: A narrative review
Mohammed Nahidh, Yassir A Yassir
J Orthodont Sci
2023, 12:40 (4 September 2023)
DOI
:10.4103/jos.jos_39_23
The current article aims to review the previous studies that measure the orthodontic bracket slot dimensions and geometry. Searches in different databases, including PubMed Central, Science Direct, Wiley Online Library, the Cochrane Library, Textbooks, Google Scholar, and Research Gate, in addition to a manual search, were performed about the methods of assessing orthodontic bracket slot dimension up to March 2023. The irrelevant and duplicate studies were eliminated, leaving 35 studies for this narrative review. The findings indicate that the slots are oversized with diverging walls in most studies. Manufacturers must respect the standards during manufacturing brackets and adhere to the actual dimensions and tolerance values.
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Review Article:
Prevalence of orthodontic treatment needs in permanent dentition in the population of Gulf Cooperation Council countries: A systematic review and meta-analysis of observational studies
Praveen B Shivanna, Vidyullatha B Gopalakrishna
J Orthodont Sci
2023, 12:39 (4 September 2023)
DOI
:10.4103/jos.jos_126_22
The aim of this systematic review and meta-analysis was to comprehensively analyze the existing information on the prevalence of the need for orthodontic treatment in the permanent dentition stage among populations in Gulf Cooperation Council (GCC) countries. For observational studies in GCC countries, the key terms were electronically searched in Science Direct, PubMed, Embase, Cochrane Reviews, Google Scholar, and Sage databases (1990–2021). The bias risk for the selected studies was evaluated using the modified Strengthening the Reporting of Observational Studies in Epidemiology statement. Thirteen studies reported on the prevalence of orthodontic treatment needs among 33,134 children in GCC countries in permanent dentition with an age range of 11–19 years satisfied the inclusion criteria. Out of the 13 studies, 9 reported on the prevalence of malocclusion, 11 reported on the prevalence of occlusal traits, and 12 reported on the prevalence of orthodontic treatment needs as per the Dental Health Component (DHC) of Index of Orthodontic Treatment Need (IOTN), 4 reported as per both DHC and Aesthetic Component (AC) of IOTN, and 1 reported as per only AC of IOTN. Meta-analysis of the included studies indicated that the pooled malocclusion prevalence rate was 10.60% (confidence interval [CI] 95%: 0.093–0.076) with 8.58% Class I (CI 95%: 0.074–0.188), 2.09% Class II (CI 95%: 0.014–0.058), and 0.93% Class III (CI 95%: 0.005–0.018) malocclusions. The most prevalent type of occlusal trait was spacing (13.10%, CI 95%: 0.018–0.169), followed by crowding (4.96%, CI 95%: 0.017–0.091). The pooled prevalence of borderline and definite needs for orthodontic treatment based on DHC and AC of IOTN was 0.82% (CI 95%: 0.014–0.035), 1.13% (CI 95%: 0.011–0.091), 4.08% (CI 95%: 0.009–0.114), and 2.06% (CI 95%: 0.002–0.048), respectively. The findings were heterogeneous (
P
< 0.05). These findings indicated that the prevalence of malocclusion and orthodontic treatment needs was not high in the GCC population.
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Review Article:
Unusual systemic and nondental effects of maxillary expansion therapy: A comprehensive and updated review of literature
Mohammad Kamran Khan, Divya Sanjay Sharma, Mahendra Kumar Jindal
J Orthodont Sci
2023, 12:38 (4 September 2023)
DOI
:10.4103/jos.jos_25_23
In dental practice, pediatric patients with a wide range of manifestations of malocclusion viz. crossbite, dental crowding, and skeletal Class III due to transverse discrepancy of the abnormally constricted maxilla or palate are found. However, the dental management of such kind of malocclusion with narrow palate needs a meticulous dental evaluation. Appliances used for treating such malocclusion conditions may include Slow-Maxillary Expansion (SME) or Rapid Maxillary Expansion (RME) orthodontic or orthopedic appliances. Considerable success has been described in the literature using the maxillary/palatal expansion modality. Unusual systemic and nondental effects of expansion appliances therapy have been described in some scientific studies. However, no comprehensive review article has been published describing the nondental and systemic effects of RME/SME therapy in Pediatric Dentistry. Considering the above scenarios, the updated and comprehensive review of the relevant literature is necessary for health professionals. Dental professionals including pediatric dentists and orthodontists need to consider such untoward or unexpected effects of RME/SME treatment modality. Hence, the current comprehensive review article has been written with the aim to meticulously describe the relevant scientific literature about nondental/extraoral and systemic effects of RME/SME appliances.
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Review Article:
Clear Aligner Therapy: Up to date review article
AbdulMajeed AlMogbel
J Orthodont Sci
2023, 12:37 (4 September 2023)
DOI
:10.4103/jos.jos_30_23
The advantages of Clear Aligners Therapy (CAT) include the braces being virtually invisible, comfortable to wear, and removable for eating and brushing; that way, CAT can be used to treat a wide range of orthodontic issues. In 1999, the company Align Technology introduced the frst commercial clear aligner system called Invisalign. The Invisalign system was initially only available to orthodontists, but later became available to general dentists as well. The system quickly gained popularity among patients who were looking for a more discreet and comfortable alternative to traditional braces. In 2000, Align Technology received FDA clearance for the Invisalign system, which further increased its popularity. The biomechanics of clear aligners involve the use of custom-made tooth aligners that are specifcally shaped to guide teeth into desired positions. These aligners are typically made from flexible materials such as polyurethane or ethylene vinyl acetate and are adjusted to apply the necessary forces for tooth movement. Attachment devices, such as power ridges or buttons, are often used to enhance or assist in specifc tooth movements and for retention of the aligner. The use of attachments allows for the exertion of desired force on the teeth, which is crucial for the success of Clear Aligner Therapy. CAT should be used if patients are concerned about the esthetic appearances of their teeth—for example, actors and other individuals that rely on their appearances in public in a professional context—and if the misalignment is not severe, so that clear aligners can still work. One should not use CAT in cases of severe crowding or spacing issues that require extractions. If the patient has complex jaw discrepancies or skeletal issues or if teeth need to be moved extensively in multiple directions, CAT is likely not going to be strong enough. In conclusion, Clear Aligner Therapy is a safe, effective, and convenient orthodontic treatment option that offers patients a virtually invisible way to achieve a straighter, more beautiful smile. With continued advancements in technology and a growing body of research supporting its effectiveness, the future of Clear Aligner Therapy looks bright.
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Review Article:
Chronodentistry through orthodontic perspective: A literature reviews
K Gauthami, Crystal R Soans, Shamyuktha Krishnamurthy, MS Ravi
J Orthodont Sci
2023, 12:36 (4 September 2023)
DOI
:10.4103/jos.jos_2_23
The human body possesses a unique set of machinery called the molecular/biological clocks that function on a regular 24-h basis forming a circadian rhythm (CR). This aids in coordinating the human biological system with ever-changing environmental conditions, thereby maintaining a balance in its functioning. The central/core component of this system is known to be in the suprachiasmatic nucleus of the hypothalamus with a few aides in the periphery. The periodontal ligament in humans, being one of the dynamic oral tissues, has been shown to exhibit this self-sustained, innate oscillatory behavior that has gained significant attention from dental surgeons. Though substantial evidence regarding its precise role in maintaining circadian periodicity is still unclear, its indispensable role in dentofacial functioning cannot be denied. This review is an attempt in bringing to light the possible role of circadian periodicity in the functioning of oral tissues in the field of orthodontics with a special focus on its role in bone remodeling, orthodontic tooth movement, orthopedic and functional appliances, pain management, and their clinical implications. This could provide a better understanding of the various physiologic and pathologic processes and help us refine our approach toward orthodontic diagnosis and therapeutics. This review would therefore serve as an overview, opening more avenues for further research on this topic that can greatly help the orthodontic fraternity.
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Review Article:
Effect of COVID-19 on orthodontic treatment/practice- A systematic review and meta-analysis
Mohammad Khursheed Alam, Huda Abutayyem, Bushra Kanwal, Haytham Jamil Alswairki
J Orthodont Sci
2023, 12:26 (28 April 2023)
DOI
:10.4103/jos.jos_118_22
Coronavirus disease of 2019 (COVID-19), which has affected almost all medical professions, has had a significant negative influence on dental care. Additionally, non-urgent dental procedures were stopped during the epidemic in a number of countries. The purpose of this systematic review was to examine the impact of COVID-19 on individuals who had undergone or are currently having orthodontic treatment in any capacity during/after the pandemic's occurrence. After a thorough search of the online journals, a total of 634 documents were found, and 416 of the papers were initially chosen. The removal of 362 similar or duplicate publications that followed led to the initial availability of 54 separate papers. The final selection consisted of 23 documents, mostly
in vitro
investigations, cross-sectional studies, and comparative evaluations, which satisfied the necessary inclusion and exclusion criteria. COVID-19 had a significant impact on nearly every sphere of the patients' lives who were undergoing orthodontic treatment. However, people who are currently availing of various orthodontic treatment modalities did not experience the same issues as the ones faced by patients earlier. Teleorthodontics emerged as a viable option to access treatment during the lockdown period caused due to the pandemic. COVID-19 also had an overall negative impact on the psyche and morale of orthodontists around the world.
PROSPERO Registration Number
: CRD42022380823
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Review Article:
Methods of measuring distal canine movement and rotation- A review
Mohammed Nahidh, Yassir A Yassir
J Orthodont Sci
2023, 12:25 (28 April 2023)
DOI
:10.4103/jos.jos_82_22
This article provides an overview of the various methods for measuring distal canine movement and rotation during retraction. Various databases, including PubMed Central, Science Direct, Wiley Online Library, the Cochrane Library, Textbooks, Google Scholar, and Research Gate, and a manual search up until September 2022, were used to search for various methods of measuring distal canine movement and rotation during retraction. After excluding the duplicate articles, the papers explaining these techniques were included. Four significant techniques were identified. The digital method with 3D superimposition is the safest, most accurate, and most accessible of the methods reviewed.
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Review Article:
Effect of oral environment on contemporary orthodontic materials and its clinical implications
Madhanraj Selvaraj, Kaja Mohaideen, Karthik Sennimalai, Greeshma Shantharam Gothankar, Garima Arora
J Orthodont Sci
2023, 12:1 (18 March 2023)
DOI
:10.4103/jos.jos_73_22
Contemporary orthodontics entails using advanced materials and devices, simplifying the process of tooth movement. It is well documented that orthodontic materials are subjected to various fluctuations and stresses in the oral environment, such as salivary pH, dietary habits, temperature changes, and masticatory loads. These changes reduce bonding materials' longevity, plasticize resin polymers, and reduce elastic properties. In addition, the corrosion of orthodontic appliances in the oral environment has concerned clinicians for some time. This is focused on two principal issues: whether corrosion products are absorbed into the body and cause either localized or systemic effects, and the results of corrosion on the physical properties and the clinical performance of orthodontic appliances. Recently, another major concern is the potential release of bisphenol-A from materials containing polymers such as thermoplastic aligners and resins, which is known to induce xenoestrogenicity and cytotoxicity when the tissue level exceeds the daily recommended intake. However, most of these findings are based on
in vitro
studies that suffer from serious drawbacks such as failure to replicate the exact oral environment and process during orthodontic treatment. Therefore, developing clinically relevant methods should be the goal of future research related to the aging of orthodontic materials. The purpose of this review is to outline the impact of the oral environment on contemporary orthodontic materials.
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Review Article:
Zebrafish as model for studies in dentistry
Amanda S C. Ohashi, Helena R de Souza Schacher, Christiane S Pizzato, Mônica R M. R. Vianna, Luciane M de Menezes
J Orthodont Sci
2022, 11:46 (13 October 2022)
DOI
:10.4103/jos.jos_41_22
INTRODUCTION:
Over the last years, zebrafish has gained prominence in the biomedical community. It is currently considered one of the best vertebrate animal models for various types of studies, such as toxicology and developmental biology.
OBJECTIVE:
The aim of this study was to conduct a literature review on the use of zebrafish in dentistry and whether this animal model could be a viable alternative for performing different types of studies in this area.
METHODS:
A literature search was performed using the PubMed, Lilacs, Embase, and Dentistry and Oral Sciences Source. The keywords used as search terms were zebrafish and dentistry. The selection criteria were articles published in English that used zebrafish as an animal model in dentistry, oral health, and craniofacial growth/development.
RESULTS:
The electronic search of literature yielded 421 articles. After the analysis of the abstracts, 29 articles were selected for an in-depth analysis and reading of the full text.
CONCLUSIONS:
All studies included in this review confirm zebrafish's excellence as an animal model for various types of dentistry studies, as well as assisting and complementing other studies involving mammals.
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Review Article:
Ingestion of orthodontic appliances: A literature review
Ioanna I Karamani, Miltiadis A Makrygiannakis, Ilias Bitsanis, Apostolos I Tsolakis
J Orthodont Sci
2022, 11:20 (4 May 2022)
DOI
:10.4103/jos.jos_94_21
Ingestion is the entry of a substance into the human organism, which occurs by taking it through the mouth into the gastrointestinal tract. One of the adverse events that may happen during the course of an orthodontic treatment is the ingestion of orthodontic appliances. The present review aims to investigate the literature regarding the ingestion of orthodontic appliances. An electronic search was carried out in order to identify case reports of ingestion of foreign objects related to orthodontic treatment in PubMed, Scopus, and Web of Science until July 2019.Nineteen articles were retrieved. In these articles, ingestion had occurred inadvertently, due to patients' or orthodontists' errors. Some of the most commonly ingested appliances were molar bands, segments of wire, and expansion keys. It is likely that patients with a specific medical background are more prone to ingestion of orthodontic appliances. Special precautions need be taken in order to avoid such incidents. These precautions are analyzed in three categories: general, those related to fixed appliances, and those related to removable appliances.
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Review Article:
White spot lesions during orthodontic clear aligner therapy: A scoping review
Shrestha Bisht, Amit Kumar Khera, Pradeep Raghav
J Orthodont Sci
2022, 11:9 (4 May 2022)
DOI
:10.4103/jos.jos_170_21
BACKGROUND:
White spot lesions (WSL) are an unsightly and a rather frequent drawback of orthodontic treatment. The complex design of fixed orthodontic appliances (FAs) makes it difficult to perform proper oral hygiene, which amounts to white spot lesions being three times more prevalent in patients wearing orthodontic appliances. As clear thermoplastic aligners (CAs) are removable appliances, it has been speculated that they allow better oral hygiene maintenance and thus less incidence of WSLs.
OBJECTIVES:
This evidence-based scoping review aims to identify the scope and nature of the evidence on white spot lesions during orthodontic clear aligner therapy.
TYPES OF STUDIES REVIEWED:
Strategic and thorough search of the literature for randomized Controlled Trials, Case-Control, Cohort studies, Case reports, full research articles, and review papers on humans published in English in five major databases was undertaken till July 2021 using free text and Medical Subject Headings (MESH) terms, followed by Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) to identify five studies for data extraction.
RESULTS:
Evidence was summarized for study characteristics, diagnostic methods for the detection of white spot lesions, and incidence of white spot lesions during clear aligner therapy. The literature supports that orthodontic treatment with CAs was associated with a low incidence of WSLs when compared with fixed mechanotherapy, with a major role of patient education, motivation, and compliance in maintaining oral hygiene.
PRACTICAL IMPLICATIONS:
The general perception is that clear aligners are more hygienic and show no incidence of white spot lesions. However, our scoping review supports that WSLs can occur with this form of orthodontic treatment also. WSLs in clear aligners could be attributed to the practice of having composite attachments that cover a significant portion of the tooth surface. Thus, regardless of the type of appliance used, a periodic reinforcement by the orthodontist to maintain oral hygiene is necessary for patient motivation, allowing for better oral hygiene practice, and as a result, leads to prevention of WSLs.
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Review Article:
Bone-anchored maxillary protraction (BAMP): A review
Apoorva Kamath, Shetty Suhani Sudhakar, Greeshma Kannan, Kripal Rai, SB Athul
J Orthodont Sci
2022, 11:8 (4 May 2022)
DOI
:10.4103/jos.jos_153_21
INTRODUCTION:
Protraction therapy for maxillary deficiency in the treatment of skeletal class III malocclusion involves the use of facemask. Conventionally facemask has been anchored to the maxillary dentition, which is responsible for some of the counter-productive effects of facemask therapy including backward and downward rotation of the chin, increase in the lower anterior facial height, proclination of maxillary incisors, retroclination of mandibular incisors apart from mesialization of maxillary molars with extrusion and decreased overbite.
AIM:
The aim of this article is to highlight the nuances of Bone-Anchored Maxillary Protraction (BAMP) including a literature review, which is comprehensive and narrative and comparing the different techniques involved such as type 1 BAMP versus type 2 BAMP and BAMP versus facemask.
MATERIALS AND METHODS:
A computerized search was performed in electronic databases such as PubMed, PubMed Central, Cochrane, Embase, DOAJ, and Google scholar using key words such as “bone-anchored maxillary protraction” and “BAMP.” The search was confined to articles in English published till March 2021. Forty-seven case-controlled, cross-sectional, retrospective and prospective studies, as well as systematic reviews and meta-analysis were included in this article, which were limited to human subjects. A hand search of the reference lists of the included articles was also carried out to include missed out articles.
CONCLUSION:
To overcome these drawbacks, BAMP was introduced, which causes both maxillary protraction, restraint of mandibular growth with minimal dentoalveolar changes. BAMP is used widely nowadays in the treatment of skeletal class III malocclusion.
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Review Article:
The effect of various nanoparticle coating on the frictional resistance at orthodontic wire and bracket interface: A systematic review
P Indumathi, Deepak Singh, Vipul K Sharma, Neeteesh K Shukla, TP Chaturvedi
J Orthodont Sci
2022, 11:7 (4 May 2022)
DOI
:10.4103/jos.jos_152_21
This systematic review was aimed to test the null hypothesis that coating of orthodontic wires with nanoparticles does not affect the frictional properties at bracket--wire interface. Electronic database searches were performed up to September 2020.
In vitro
studies were considered for reviewing process. Study selection, data extraction, risk of bias assessment was performed during reviewing process. Only qualitative analyses of included literature were done due to the presence of heterogeneity among the studies. Out of 1,068 retrieved records, nine studies satisfied the inclusion criteria and included in this review. Studies were assessed at low risk to high risk of bias according to certain parameters. Wide variety of nanoparticles were used for surface coating of orthodontic wires of variable sizes, shapes, and materials like stainless steel, NiTi, and TMA and placed into the slots of different types of orthodontic brackets to evaluate the alteration in frictional and other mechanical properties. Most of the studies clearly indicate that coating with nanoparticles decreases the friction between wire and bracket interface under specified
in vitro
conditions. Furthermore, among the nine included studies, only two considered evaluation of effect of coated brackets on frictional and other mechanical properties and results were heterogeneous. The null hypothesis is rejected and it is concluded that the wires coated with nanoparticles might offer a novel opportunity to substantially reduce frictional resistance at bracket--wire interface during tooth movement. Further studies are necessary to strengthen the evidence regarding effect of coated brackets on frictional properties.
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Review Article:
The World Wide Web of orthodontics- A comprehensive narrative on teledentistry pertaining to the orthodontics of the 21
st
century
Adith Venugopal, S Jay Bowman, Anand Marya, Aravind K Subramanian, Nikhilesh R Vaid, Björn Ludwig
J Orthodont Sci
2022, 11:1 (28 January 2022)
DOI
:10.4103/jos.jos_147_21
Teledentistry has proven effective in practically all dental fields. It also allows access to inaccessible and underdeveloped locations. Better treatment outcomes were documented in patients treated by an orthodontist supervised by teledentistry than by a general dentist with minimal orthodontic experience alone. It may also help to focus referrals to specialists and weed out those who do not need them. But, on a critical note, a doctor-patient relationship is much more than a business transaction. A face-to-face initial consultation instills trust that a remote session cannot. Teledentistry includes professional networking of doctors. This contact includes digital information exchange, CPD programs, case discussions, and analysis that bring dentists from all around the world together to improve patient care. Teledentistry has not only spanned the distance between dentists worldwide, but has also served as a conduit between customer (patient) and manufacturer. This spawned Direct to Consumer (DTC) dentistry, sparking substantial debate among dentists worldwide. In DTC dentistry, inadequately trained customers conduct complex procedures on themselves with minimal guidance of a dentist. One of the major issues today is the general availability of clear aligners to patients without the requirement for an intermediary skilled orthodontist. The American Association of Orthodontists (AAO) has publicly questioned the validity of Smile Direct Club, a private firm that dominates the DTC industry. European Federation of Orthodontic Specialists Association, on the other hand, has sponsored a joint declaration with the representative orthodontic associations in Europe to highlight and alert patients about the potential risks of DTC products. Unfortunately, public shaming hasn't slowed commercialization of DTC firms. Teledentistry has been a boon for healthcare, but a nightmare for our profession, raising fundamental questions like what is the difference between a customer and a patient? Is dentistry a just another discipline of cosmetics? Is teledentistry making us less connected with our patients?
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Review Article:
Cross-cultural adaptation of oral health-related quality of life measures used to assess the impacts of malocclusion and dentofacial deformities in Saudi Arabia: A literature review
Shoroog Hassan Agou
J Orthodont Sci
2021, 10:7 (9 July 2021)
DOI
:10.4103/jos.JOS_43_20
Since the World Health Organization broadened its definition of health, beyond biological boundaries, to include physical, emotional, and social wellbeing. Oral health-related quality of life (OHRQoL) became common outcome measure in clinical trials and epidemiological studies in Dentistry and Medicine. It is not surprising, therefore, to see quality of life as one of the programs of the Saudi 2030 vision. That said, it can be difficult to interpret the findings of OHRQoL research if the measures used were not appropriately adapted and validated in the population being studied. In this review article, the concept of cross-cultural adaptation of OHRQoL and its use in the Saudi context, as applied to orthodontic research, was discussed. An electronic search in PubMed and MEDLINE databases was conducted. A second search was conducted to locate methodological papers discussing cross-cultural adaptation and translations. Appraisal of relevant research was conducted to provide a better understanding of the process of adapting OHRQoL measures to assess the impact of malocclusion and dentofacial abnormalities on quality of life. This review pointed out important methodological concerns that warrant considerations during the translation and adaptation of OHRQoL measures.
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Review Article:
Autotransplantation in combination with orthodontic treatment
Racha Hariri, Emad Eddin M. Alzoubi
J Orthodont Sci
2019, 8:11 (8 August 2019)
DOI
:10.4103/jos.JOS_62_18
PMID
:31497570
INTRODUCTION:
Autotransplantation is a surgical method in which a tooth is repositioned within the same patient. It can be described as a controlled reimplantation of an extracted tooth into a new, surgically prepared socket. The key to success of this treatment is the preservation and regeneration of the periodontal ligament. It is an underutilized technique which, if conducted with a multidisciplinary team, can be an ideal treatment option for patients with failing or missing teeth.
OBJECTIVES:
The detailed clinical procedures, indications for this technique, and the factors affecting its success are discussed.
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Review Article:
Alar width changes due to surgically-assisted rapid palatal expansion: A meta-analysis
Kevin C Lee, Michael Perrino
J Orthodont Sci
2017, 6:115 (5 October 2017)
DOI
:10.4103/jos.JOS_31_17
PMID
:29119091
A major objective of orthognatic surgery is the aesthetic outcome. Treatments only correcting for dentoskeletal deformities are not sufficient for optimal facial results because undesirable soft tissue changes may accompany skeletal manipulations. The primary objective of this study was to investigate alar base width (ABW) changes a minimum of 6 months following surgically-assisted rapid palatal expansion (SARPE). The following electronic databases and citation indices were searched: PubMed, Cochrane Library, Scopus, Web of Science, Embase, and Virtual Health Library. The search included articles published until September 2015 without language restriction. The intervention was SARPE with maxillary vestibular incision from first molar to contralateral first molar, a modified LeFort I osteotomy with or without pterygomaxillary disjunction, and a V-Y closure. The primary outcome was the unstandardized mean difference between pre and postoperative ABW. A random effects meta-analysis was performed to combine study results, and included studies that were assessed for statistical heterogeneity using a Chi-square test for independence. The results of this meta-analysis (
N
= 41) showed a significant + 1.74 mm, 95% CI [0.14, 3.34] ABW increase in patients submitted to SARPE. There was no statistical heterogeneity among included studies (
χ
2
=
0.03; df = 2;
P
= 0.98). ABW increases were observed despite including cinched patients in the analysis. None of the three included studies were completely free of bias. The most prominent flaws were measurement bias, limited sample size, and patient recruitment.
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Review Article:
Orthodontic view in the diagnoses of obstructive sleep apnea
Saeed M Banabilh
J Orthodont Sci
2017, 6:81 (29 June 2017)
DOI
:10.4103/jos.JOS_135_16
PMID
:28717631
Obstructive sleep apnea is an exciting area for orthodontists to be involved. The level of awareness of sleep apnea and related health issues is growing rapidly. The demand of integrating sleep into the orthodontic practice shortly will be driven by the need of the societies as some of our patients will be shortly coming into our offices aware of sleep apnea. However, with our busy clinical orthodontic practice, the need of condense short review become more demanding. Therefore, this review will try to summarize the clinical and orthodontic observation in the diagnoses of adult obstructive sleep apnea with clinical application in orthodontic practice.
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Review Article:
An overview of surgery-first approach: Recent advances in orthognathic surgery
Vipul Kumar Sharma, Kirti Yadav, Pradeep Tandon
J Orthodont Sci
2015, 4:9 (19 January 2015)
DOI
:10.4103/2278-0203.149609
PMID
:25657986
The disadvantages of having orthodontic interventions both before and after orthognathic surgery include a long treatment time of 7-47 months and temporary worsening of facial appearance. Nowadays, the concept of surgery-first, followed by orthodontic treatment is applied to orthognathic surgery cases in different orthodontic centers in the world. This concept and technique is called "surgery-first-orthognathic-approach" or "surgery-first approach" (SFA) rigid fixation (skeletal anchorage system) of the bony segments and regional acceleratory phenomenon were keys to broad implementation of the SFA. This article is intended to provide an overview of SFA including indications, general and specific guidelines, different protocol variations, success rate and potential problems.
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Review Article:
Canine retraction: A systematic review of different methods used
Rohit S Kulshrestha, Ragni Tandon, Pratik Chandra
J Orthodont Sci
2015, 4:1 (19 January 2015)
DOI
:10.4103/2278-0203.149608
PMID
:25657985
Canine retraction is a very important step in treatment of patients with crowding, or first premolar extraction cases. In severe crowding cases until, the canines have been distilized to relive the crowding, space to correctly align the incisors will not be available. Correct positioning of the canines after retraction is of great importance for the function, stability, and esthetics. The aim of this systematic review was to examine, in an evidence-based way, which kinds of canine retraction methods/techniques are most effective and which have the least side effects. A literature survey was performed by applying the Medline Database (Entrez PubMed) and Science Direct database covering the period from 1985 to 2014, to find out efficient ways to accomplish canine retraction. Randomized controlled trials (RCTs), prospective and retrospective controlled studies, and clinical trials were included. Two reviewers selected and extracted the data independently and assessed the quality of the retrieved studies. The search strategy resulted in 324 articles, of which 22 met the inclusion criteria. Due to the vast heterogeneity in study methods, the scientific evidence was too weak to evaluate retraction efficiency during space closure. The data so far reviewed proved that elastomeric power chains, elastic threads, magnets, NiTi coil springs, corticotomies, distraction osteogenesis, and laser therapy, all are able to provide optimum rate of tooth movements. All the methods were nearly similar to each other for retraction of canines Most of the techniques lead to anchorage loss in various amounts depending on the methods used. Most of the studies had serious problems with small sample size, confounding factors, lack of method error analysis, and no blinding in measurements. To obtain reliable scientific evidence, controlled RCT's with sufficient sample sizes are needed to determine which method/technique is the most effective in the respective retraction situation. Further studies should also consider patient acceptance and cost analysis as well as implants and minor surgeries for canine retraction.
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Review Article:
Can orthodontic relapse be blamed on the temporomandibular joint?
Larry M Wolford
J Orthodont Sci
2014, 3:95 (18 October 2014)
DOI
:10.4103/2278-0203.143227
There are many temporomandibular joint (TMJ) conditions that can cause orthodontic treatment instability and relapse. These conditions are often associated with dentofacial deformities, malocclusion, TMJ pain, headaches, myofascial pain, TMJ and jaw functional impairment, ear symptoms, etc., Many of these TMJ conditions can cause progressive and continuous changes in the occlusion and jaw relationships. Patients with these conditions may benefit from corrective orthodontic and surgical intervention. The difficulty for many clinicians may lie in identifying the presence of a TMJ condition, diagnosing the specific TMJ pathology, and selecting the proper treatment for that condition. This paper will discuss the most common TMJ pathologies that can adversely affect orthodontic stability and outcomes as well as present the treatment considerations to correct the specific TMJ conditions and associated jaw deformities to provide stable and predictable treatment results.
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Review Article:
Amelogenesis imperfecta and anterior open bite: Etiological, classification, clinical and management interrelationships
Xanthippi Sofia Alachioti, Eleni Dimopoulou, Anatoli Vlasakidou, Athanasios E Athanasiou
J Orthodont Sci
2014, 3:1 (19 February 2014)
DOI
:10.4103/2278-0203.127547
PMID
:24987656
Although amelogenesis imperfecta is not a common dental pathological condition, its etiological, classification, clinical and management aspects have been addressed extensively in the scientific literature. Of special clinical consideration is the frequent co-existence of amelogenesis imperfecta with the anterior open bite. This paper provides an updated review on amelogenesis imperfecta as well as anterior open bite, in general, and documents the association of these two separate entities, in particular. Diagnosis and treatment of amelogenesis imperfecta patients presenting also with anterior open bite require a lengthy, comprehensive and multidisciplinary approach, which should aim to successfully address all dental, occlusal, developmental, skeletal and soft tissue problems associated with these two serious clinical conditions.
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Review Article:
Iatrogenic possibilities of orthodontic treatment and modalities of prevention
Nazeer Ahmed Meeran
J Orthodont Sci
2013, 2:73 (9 October 2013)
PMID
:24987646
The benefits of orthodontic treatment are numerous and in most cases, the benefits outweigh the possible disadvantages. Orthodontic treatment can play an important role in enhancing esthetics, function, and self-esteem in patients. However, it carries with it the risks of enamel demineralization, tissue damage, root resorption, open gingival embrasures in the form of triangular spaces, allergic reactions to nickel, and treatment failure in the form of relapse. These potential complications are easily avoidable by undertaking certain precautions and timely interventions by both the orthodontist and the patient. The orthodontist must ensure that the patient is aware of the associated risks and stress the importance of the patient's role in preventing these untoward outcomes. The decision whether to proceed with the orthodontic treatment is essentially a risk-benefit analysis, where the perceived benefits of commencing treatment outweigh the potential risks. This article provides an overview of the iatrogenic possibilities of orthodontic treatment and the role of the patient as well as the orthodontist in preventing the associated risks.
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Review Article:
Risk factors and management of white spot lesions in orthodontics
Kamna Srivastava, Tripti Tikku, Rohit Khanna, Kiran Sachan
J Orthodont Sci
2013, 2:43 (16 July 2013)
DOI
:10.4103/2278-0203.115081
PMID
:24987641
The formation of white spot lesions or enamel demineralization around fixed orthodontic attachments is a common complication during and following fixed orthodontic treatment, which mars the result of a successfully completed case. This article is a contemporary review of the risk factors, preventive methods and fate of these orthodontics scars. The importance of excellent oral hygiene practice during fixed orthodontic treatment must be explained. Preventive programs must be emphasized to all orthodontic patients. Suggestions are offered in the literature for ways to prevent this condition from manifesting itself.
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Review Article:
Allergy and orthodontics
Sunitha Chakravarthi, Sridevi Padmanabhan, Arun B Chitharanjan
J Orthodont Sci
2012, 1:83 (11 January 2013)
DOI
:10.4103/2278-0203.105871
PMID
:24987632
The aim of this paper is to review the current literature on allergy in orthodontics and to identify the predisposing factors and the implications of the allergic reaction in the management of patients during orthodontic treatment. A computerized literature search was conducted in PubMed for articles published on allergy in relation to orthodontics. The MeSH term used was allergy and orthodontics. Allergic response to alloys in orthodontics, particularly nickel, has been extensively studied and several case reports of nickel-induced contact dermatitis have been documented. Current evidence suggests that the most common allergic reaction reported in orthodontics is related to nickel in orthodontic appliances and allergic response is more common in women due to a previous sensitizing exposure from nickel in jewellery. Studies have implicated allergy in the etiology of hypo-dontia. It has also been considered as a high-risk factor for development of extensive root resorption during the course of orthodontic treatment. This review discusses the relationship and implications of allergy in orthodontics.
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Review Article:
Biological response at the cellular level within the periodontal ligament on application of orthodontic force - An update
Nazeer Ahmed Meeran
J Orthodont Sci
2012, 1:2 (17 April 2012)
DOI
:10.4103/2278-0203.94769
PMID
:24987618
Orthodontic force elicits a biological response in the tissues surrounding the teeth, resulting in remodeling of the periodontal ligament and the alveolar bone. The force-induced tissue strain result in reorganization of both cellular and extracellular matrix, besides producing changes in the local vascularity. This in turn leads to the synthesis and release of various neurotransmitters, arachidonic acid, growth factors, metabolites, cytokines, colony-stimulating factors, and enzymes like cathepsin K, matrix metalloproteinases, and aspartate aminotransferase. Despite the availability of many studies in the orthodontic and related scientific literature, a concise integration of all data is still lacking. Such a consolidation of the rapidly accumulating scientific information should help in understanding the biological processes that underlie the phenomenon of tooth movement in response to mechanical loading. Therefore, the aim of this review was to describe the biological processes taking place at the molecular level on application of orthodontic force and to provide an update of the current literature.
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Online since 01 August, 2011