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Medicina Oral, Patología Oral y Cirugía Bucal (Ed. impresa)
Print version ISSN 1698-4447
Abstract
SALCIDO-GARCIA, Juan Francisco et al. Frequency of supernumerary teeth in Mexican population. Med. oral patol. oral cir. bucal (Ed.impr.) [online]. 2004, vol.9, n.5, pp.403-409. ISSN 1698-4447.
Supernumerary teeth (ST) are a not uncommon developmental anomaly which appears in 0.3 to 3.8 percent of the population. We studied the corresponding radiographs from 2241 patients, both sexes who seeked dental attention at the Outpatient Clinic of the División de Estudios de Posgrado e Investigación, Facultad de Odontología, UNAM in Mexico City. Of them, we found 72 patients (3.2%) with 102 ST. Of the 72 patients, 39 were males (54.2%) and 33 females (45.8%). Mesiodens was the most common ST (48.6%), followed by supernumerary premolars (26.4%), supernumerary laterals (11.1%) and fourth molars (9.7%). This series includes cases with one, two and three ST and one case comprising 10 ST. Our results suggest that frequency of ST in the population studied differs in some aspects with previously reported series and that frequency of ST shows different rates depending the population studied. As our results demonstrate, it is encouraged the need to have panoramic radiographs of all patients attended in dental offices, clinics and schools of Dentistry in order to detect and diagnose undiscovered pathologies.
Keywords : Supernumerary teeth; mesiodens; supernumerary incisors; supernumerary canines; supernumerary premolars; supernumerary molars.