Prevalencia de dientes supernumerarios en niños con labio y/o paladar fi surado Prevalence of supernumerary teeth in children with cleft lip and/or palate

The aim of the present study was to establish the prevalence of supernumerary teeth in children afflicted with cleft lip and/ or palate. A cross-sectione d study was conducted on 608 orthopantomographies from pediatric patients who attended the stomatology and orthodontics clinics of the «Dr. Manuel Gea Gonzalez» Hospital in Mexico City. Cases in reviewed fi les revealed a 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 were found on the side of the cleft. Main location was the lateral incisor region (84.8%). Most cases occurred in primary dentition (51.5%). These patients experienced high prevalence of supernumerary teeth. Prevalence was observed to be higher in male patients, in primary dentition and the lateral incisor region. RESUMEN