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Metallurgy in orthodontic—A systematic review and meta-analysis on the types of metals used
Huda Abutayyem1, Mohammad Khursheed Alam2, Bushra Kanwal3, Haytham Jamil Alswairki4, Yahya Abdullah Alogaibi5
1 Department of Clinical Sciences, Center of Medical and Bio-Allied Health Sciences Research, College of Dentistry, Ajman University, Ajman, United Arab Emirates
2 Orthodontic Division, Preventive Dentistry Department, Orthodontic Division, College of Dentistry, Jouf University, Sakaka 72345, Saudi Arabia; Department of Dental Research Cell, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu, India; Department of Public Health, Faculty of Allied Health Sciences, Daffodil lnternational University, Dhaka, Bangladesh
3 Specialist, Practicing in Dental Clinic, AlBaha, Saudi Arabia
4 School of Dental Sciences, University Sains Malaysia, Gelugor 11800, Malaysia
5 Consultant Orthodontist, Aseer Specialty Dental Center, Abha, Saudi Arabia
Correspondence Address:
Mohammad Khursheed Alam
Orthodontic Division, Preventive Dentistry Department, Orthodontic Division, College of Dentistry, Jouf University, Sakaka 72345
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/jos.jos_52_23
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A variety of metals and alloys are employed in the field of orthodontics, primary of which happen to be the construction of wires. Through this systematic review, we aimed to assess the various metallurgical characteristics of the said metals and alloys. Four hundred and eighty-two documents in total were found after a thorough search of the online journals, and 169 of the papers were initially chosen. Ultimately, 16 documents were selected that satisfied the necessary inclusion and exclusion criteria, primarily in vitro studies, literature reviews, and comparative analyses. NiTi alloy was found to be the most commonly used alloy in construction of orthodontic wires across all the studies that we had selected for our review. It also had better performance and consistency in terms of its usage as depicted by the meta-analysis performed, with stainless steel wires being a close second primarily due to its lesser cost compared to the former. Metallurgy and orthodontics are inextricably linked with one another. The various components of orthodontics such as wires, pliers, and other instruments utilize the metallurgical characteristics of metals and alloys that are specially prepared for the challenges of this field.
PROSPERO Registration Number: CRD42022378444.
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