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PREVALENCE AND CHARACTERISTICS OF DENTAL TRANSPOSITIONS IN PAKISTAN

Dr Zarwish Akbar, Dr. Nimra Akmal, Dr. Ahmad Shah Khan, Dr. Ali Raza Jaffri, Dr. Umair Hussain

Aim: This was to explore the prevalence of dental transposition among Pakistani's population with an emphasis on distribution of different type of transpositions in maxilla and mandible. Study design:Place and Duration of Study; This study was carried out in Department of orthodontics Nishter institute of dentistry Multan from May 2018 to April 2019 Materials and Methods: This study was 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: True type 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 basically 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: The tooth transposition was found in 0.96% in a sample of Pakistani population and transposition between upper canine and first premolar was the most commonly observed transposition. Key words: tooth transposition, maxilla, mandibulla, canine, lateral incisor

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