Prevalence of supernumerary teeth in children with cleft lip and/or palate

Olimpia Vigueras Gómez, Miguel Ángel Fernández Villavicencio, Miguel Ángel Fernández Villavicencio, María del Carmen Villanueva Vilchis, María del Carmen Villanueva Vilchis


The aim of the present study was to establish the prevalenceof supernumerary teeth in children afflicted with cleft lip and/or palate. A cross-sectioned study was conducted on 608orthopantomographies from pediatric patients who attended thestomatology and orthodontics clinics of the «Dr. Manuel GeaGonzález» Hospital in Mexico City. Cases in reviewed fi les revealeda ratio of 53.9% male and 46.1% female, with 7.2 year age average.Prevalence of supernumerary teeth was found to be 15.4%: 19.8%in males and 9.1% in females. 97% of all supernumerary teeth werefound on the side of the cleft. Main location was the lateral incisorregion (84.8%). Most cases occurred in primary dentition (51.5%).These patients experienced high prevalence of supernumeraryteeth. Prevalence was observed to be higher in male patients, inprimary dentition and the lateral incisor region.

Palabras clave

Cleft lip and palate, dental anomalies, supernumerary teeth

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