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Year : 2020  |  Volume : 17  |  Issue : 1  |  Page : 1-8

Prevalence of selected dental anomalies among a sample of school children in Tanta

Department of Pediatric Dentistry, Faculty of Dentistry, Tanta University, Tanta, Egypt

Correspondence Address:
Amira Mostafa Mostafa
Department of Pediatric Dentistry, Faculty of Dentistry, Tanta University, Tanta Governorate, 31527
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/tdj.tdj_44_18

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Objective To determine the prevalence of selected developmental anomalies among a sample of Tanta school children. Patients and methods This study was conducted on 3020 healthy Egyptian children (1510 boys and 1510 girls) aged 8–14 years old. The children were selected from 94 primary and preparatory schools in Tanta between March 2016 and February 2017, and their teeth were examined clinically according to WHO criteria for oral health survey for presence of selected dental anomalies. Results The total prevalence of anomalies was 20.36% as follow: hypodontia was 0.63%, hyperdontia was 0.3%, microdontia was 0.2%, peg shape lateral was 0.63%, cusp of carabelli was 5.5%, talon cusp was 0.23%, and gemination was 0.03%, enamel hypoplasia was 2.38%, demarcated opacities were 9.4%, diffuse opacities were 2.15%, transposition was 0.07%, and no cases of macrodontia, fusion, or dens invaginatus were detected in this study. There were no significant differences regarding sex or residence area except for peg shape lateral showed higher prevalence in rural areas (P < 0.05). Conclusion About fifth of children were affected by at least one anomaly which is comparable to other studies, dental anomalies may occur without relation to a disease or syndrome and dental anomalies nearly occur in both sexes equally.

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