The incidence of supernumerary teeth in panoramic radiograph
บทความ (EN)
:
This study is to investigate the incidence of supernumerary teeth in 1503 panoramic radiographs consisted 866 females and 637 males with age range 6-30 years and no history of systemic disease, skeleto-facial deformities and previous extraction of supernumerary teeth. The result showed that the incidence of supernumerary teeth is 3.26 percent (49 samples) in total sample with 1.46 percent (22 samples) in female and 1.8 percent (27 samples) in male. In the group with supernumerary teeth the number of hyperdontia teeth is found one, two and three with percentage 83.67 (41 samples), 14.29 (7 samples) and 2.04 (1 sample), respectively, and the region of occurrence is no statistical difference (a equal to 0.05). However, they are seen n the maxilla more than in mandible with the proportion 7:3:1.