PERVASIVENESS OF DENTAL TRANSPOSITION AMONG PAKISTANI'S POPULATION WITH AN EMPHASIS ON DISTRIBUTION OF DIFFERENT TYPE OF TRANSPOSITIONS IN MAXILLA AND MANDIBLE

Aim: For the exploration of the pervasiveness of dental transposition among Pakistani's population with an emphasis on distribution of different type of transpositions in maxilla and mandible.

Study design: This research and study was carried out in Department of orthodontics Lahore Medical and Dental Collage from December 2017 to November 2018.

Materials and Methods: All about of this study done with panaromic radiographs of 728 adolescent patient (276 males, 452 females). They were treated in our clinic and they were included in study below. For each patient variables like age, sex, presence of tooth transposition, type, location and classification of tooth transposition recorded.

Results: Proper category of tooth transposition was found in 07 subjects present with 0.96% frequency of this abnormality. These 7 patient have 8 transposing teeth in general. The ratio of female to male is 71.4% to 28.6%. The problem manifest in maxilla. It was present in 5 of the patient (71.42%) 4 with unilateral and 1 with bilateral manifested type. Two of the patient had exchanged position of teeth in mandible.

Conclusion: In a sample of Pakistani population the tooth transposition was found in 0.96% and transposition between upper canine and first premolar was the most commonly observed transposition.

Key words: Maxilla, tooth transposition, mandibulla, lateral incisor, canine.