The Mental Foramen I: Radiographic Study of the Anterior-Posterior Position and Shape in Iraqi Population

Informacion precisa sobre la ubicacion horizontal y forma del foramen mental puede tener importancia clinica en la reduccion de complicaciones durante procedimientos quirurgicos maxilofaciales que involucran el area mental. Fueron reportadas variaciones geograficas en relacion a estas variables. El objetivo fue estudiar la posicion horizontal y forma del foramen mental, a partir de 518 radiografias panoramicas de una muestra aleatoria en sujetos de Irak (257 varones, 261 mujeres; edad media= 46,5 anos), quienes fueron evaluados con respecto a la posicion horizontal, forma y la simetria de los foramenes mentales. En individuos de edad avanzada se encontro una asociacion con un aumento en la frecuencia de un posicionamiento posterior y con forma irregular. La posicion horizontal y forma del foramen fueron asimetricos en 21,6% y 31,6% de los casos, respectivamente. La diferencia hallada en relacion a la simetria en posicion horizontal y forma de los foramenes mentales fue estadisticamente significativa entre sexos (p=0,041), y entre los grupos de edad jovenes y mayores (P=0,001), respectivamente. Se encontro con mayor frecuencia la posicion horizontal entre los ejes longitudinales de los dos premolares mandibulares, y la forma circular, en relacion a la posicion antero-posterior y forma del foramen, respectivamente. Estos fueron resultados similares a estudios anteriores sobre otras poblaciones. Los foramenes mentales son simetricos, respecto a su ubicacion horizontal y su forma.

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