| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 12
| Issue : 1 | Page : 13 |
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Prevalence of mesio-distal dilaceration in patients presenting for initial orthodontic care: A retrospective study
Abubaker Qutieshat1, Nutayla Al Harthy2, Shahab Javanmardi2, Gurdeep Singh2, Viresh Chopra2, Rayhana Aouididi3, Omar Al Hanashi2, Abdulghani Al Arabi4
1 Department of Adult Restorative Dentistry, Oman Dental College, Muscat, Oman; Department of Restorative Dentistry, Dundee Dental Hospital and School, University of Dundee, Dundee, Scotland, UK
2 Department of Adult Restorative Dentistry, Oman Dental College, Muscat, Oman
3 Department of Oral Biology and Diagnostic Sciences, Dawson Dental, Toronto, Canada
4 Department of Orthodontics, Oman Dental College, Muscat, Oman
Correspondence Address:
Abubaker Qutieshat
Department of Adult Restorative Dentistry, Oman Dental College, PO Box 835, Mina Al Fahal, Postal Code 116, Muscat
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/jos.jos_75_22
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OBJECTIVE: To determine the prevalence of dilaceration in a sample of patients presenting for initial orthodontic care.
METHODS: Examining radiographs from a random sample of orthopantomogram images was used to acquire the data. In all, 2,801 dental records were evaluated at Oman Dental College (ODC), Oman. A dental X-ray processing software was utilized to view the images. A tooth was classified as having a mesial/distal dilaceration if its long axis exhibited an angle of 90 degrees or greater. Dilacerated roots in the buccal/lingual direction were diagnosed by observing the appearance of a spherical opaque area with a dark shadow in its central region, projected by the apical foramen, which gave the root canal a “bull's-eye” appearance.
RESULTS: Dilacerations were found in 17.32% of the records examined. The maxillary second molars (22.71%) were the most commonly affected, followed by the mandibular third molars and mandibular lateral incisors (21.90% and 17.23%, respectively). The central incisors and canines were the least affected, with dilaceration affecting less than 0.2% of the teeth. The mandible was found to have more dilacerations than the maxilla (53.78% and 46.22%, respectively). 61.03% of dilacerations occurred in molars, 43.12% of which occurred in third molars.
CONCLUSION: Dilaceration is a notable dental anomaly that can affect any tooth, with some teeth being more affected than others. Dilaceration in maxillary second molars and mandibular lateral incisors is more common in the population of this study than in other populations reported in the literature. Recognizing the condition will allow for more effective orthodontic treatment.
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