Prevalence of Maxillary Dental Anomalies and Related Factors in Children with Cleft Lip and Palate in Sari

Introduction: Individuals with cleft lip and palate (CLP) experience a number of dental anomalies, which affected on the patient’s facial anatomy and self- esteem. Dental complications are considered as a contributing factor in cleft formation. The purpose of this study was to evaluate the prevalence of various kinds of maxillary dental anomalies in group of children with CLP in city of Sari, Iran.Methods: This cross-sectional study was performed to evaluate the panoramic radiographs of ۸۴ patients (age ۷-۱۹ years-old), with CLP who were selected by census method and attended private and public dental and/or orthodontic clinics in Sari during ۲۰۲۰- ۲۰۲۱. The frequency of maxillary dental anomalies including hypodontia, microdontia and macrodontia, ectopic eruption, rotation and supernumerary tooth were examined by orthodontist and radiologist. Standard Pearson chi-squared tests were used for all dental anomalies. Data were analyzed using SPSS software through the Mann-Whitney and chi-squared tests.Results: At least one maxillary dental anomaly was reported in ۸۳.۳% of patients with CLP. The unilateral CLP (۶۱.۹%) was the most common type of cleft. The tooth agenesis was observed in ۶۳.۰۹% of subjects with more frequently on the left side (۳۵.۷%) followed by rotation (۳۵.۷۱%), microdontia (۳۴.۵%), supernumerary teeth (۱۱.۹%), and macrodontia (۵.۹%). No difference in gender was observed in the prevalence of these anomalies.Conclusion: According to our resultsthemostprevalent cleft types was UCLP with left side predominance. Hypodontia, rotation and microdontia, were the most prevalent developmental dental anomalies among children with CLP in Sari, Iran.