Mandibular Notch Configuration in Iraqi Adults

The shape of the mandibular notch (mandibular incisure) of both sides of 100 fresh macerated and dry adult human mandibles divided between 58 males and 42 females of Iraqi origin with their age ranges (23-52) years that had been studied in order to classify the variations in the shapes of mandibular incisure.Three types were evident: type I triangular shape, type II rounded shape and type III truncated quadrilateral shape. The triangular shape mandibular notch were found in 92 (46%) sides and truncated quadrilateral shape in 40 (20%) sides, they are mainly prevalent in male, while the rounded shape was founded in 68 (34%) sides mainly prevalent in female.Minor differences appeared on both sides founded in 28 sides but keep the general shape. The incidence of the rounded types was almost in female mandible while triangular &truncated shapes were faced mainly in the male mandibles.