Dental Anomalies in Different Types of Cleft Lip and Palate: Is There Any Relation?

Aim: The aims of this study were to evaluate the prevalence of dental anomalies in Turkish patients with different types of cleft lip and palate (CLP) and investigate the relationship between the type of cleft and the dental anomaly. Methods: Eighty-eight patients with cleft lip and/or palate (mean age: 14.1 ± 6.4 years) were enrolled in this retrospective study. Dental models, panoramic radiographs, and intraoral photographs of these patients were evaluated to detect any maxillary dental anomaly (number and size anomalies). Two hundred fifty unaffected subjects (mean age: 15.2 ± 7.2 years) composed the control group. Data were evaluated using the independent t test, χ2, Fischer exact test, and the odds ratio. Results: Dental anomaly frequency was significantly higher in the cleft group compared with the control group. Tooth agenesis was the most common dental anomaly, followed by microdontia and supernumerary tooth. Lateral incisor agenesis was seen in 69% of the unilateral CLP, in 78% of the bilateral CLP, and in 18% of the cleft palate patients. A significant association was revealed between the right unilateral CLP and the right lateral incisor agenesis (P = 0.0001), the left unilateral CLP and the left lateral incisor agenesis (P = 0.002), and the bilateral CLP and the bilateral lateral incisor agenesis (P = 0.0001). Conclusion: Dental anomalies are more frequently seen in patients with CLP compared with the general population. There is a relationship between the cleft type and the ipsilateral lateral incisor agenesis. Address correspondence and reprint requests to Derya Germec Cakan, DDS, PhD, Department of Orthodontics, Faculty of Dentistry, Yeditepe University, Bagdat cad. No. 238, Goztepe 34728, Istanbul, Turkey; E-mail: dgermec@gmail.com Received 7 June, 2017 Accepted 12 December, 2017 The authors report no conflicts of interest. © 2018 by Mutaz B. Habal, MD.

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