Dental Anomalies in a Brazilian Cleft Population

Dental Anomalies in a Brazilian Cleft Population

Objective The aim of this study was to radiographically investigate the prevalence of dental anomalies outside the cleft area in a group of Brazilian patients with nonsyndromic cleft lip and/or palate (NSCL/P). Design, Participants, and Setting A retrospective analysis of 207 panoramic radiographs o...

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Published in:The Cleft palate-craniofacial journal Vol. 53; no. 6; pp. 714 - 719
Main Authors: Sá, Jamile, Mariano, Lorena C., Canguçu, Daiane, Coutinho, Thaynara S.L., Hoshi, Ryuichi, Medrado, Alena Peixoto, Martelli-Junior, Hercílio, Coletta, Ricardo D., Reis, Silvia R.A.
Format: Journal Article
Language:English
Published: Los Angeles, CA SAGE Publications 01-11-2016
SAGE PUBLICATIONS, INC
Subjects:
Adolescent
Adult
Birth defects
Brazil
Child
Cleft Lip - physiopathology
Cleft Palate - physiopathology
Cross-Sectional Studies
Dentistry
Female
Humans
Male
Middle Aged
Orthodontics
Population
Retrospective Studies
Studies
Teeth
Tooth Abnormalities - epidemiology
Young Adult
Brazil
cleft lip and palate
dental anomaly
tooth agenesis
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Summary:Objective The aim of this study was to radiographically investigate the prevalence of dental anomalies outside the cleft area in a group of Brazilian patients with nonsyndromic cleft lip and/or palate (NSCL/P). Design, Participants, and Setting A retrospective analysis of 207 panoramic radiographs of patients with NSCL/P aged 12 to 45 years without history of tooth extraction and orthodontic treatment was performed. Results Dental anomalies were found in 75.4% of the patients, and tooth agenesis (29.2%) and supernumerary tooth (2.6%) were the most common anomalies. The risk of agenesis was higher among the individuals with cleft palate (CP) compared with individuals with cleft lip (CL) and cleft lip and palate (CLP) (agenesis: CP versus CL: odds ratio 6.27, 95% confidence interval 2.21-17.8, P = .0003; CP versus CLP: odds ratio 2.94; 95% confidence interval 1.27-6.81, P = .01). The frequency of dental agenesis was higher in patients with unilateral complete CLP (agenesis: P < .0001), incomplete bilateral CLP (agenesis: P = .0013), complete CP (agenesis: P < .0001), and incomplete CP (agenesis: P < .0001). The frequency of supernumerary teeth was higher in patients with bilateral complete CLP (P < .0001). The frequency of dental agenesis (P < .0001) and ectopic tooth (P = .009) was higher than the frequency estimated for general population. Conclusions The prevalence of dental anomalies in patients with NSCL/P was higher than that reported in overall population. This study found preferential associations between dental anomalies and specific extensions of NSCL/P, suggesting that dental agenesis and ectopic tooth may be part of oral cleft subphenotypes.
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ISSN:1055-6656
1545-1569
DOI:10.1597/14-303