AVERAGE MESIODISTAL TEETH WIDTH AT A DENTAL TEACHING INSTITUTE, KARACHI, PAKISTAN

Abstract

Objective: - To determine the means mesiodistal crown width of incisors , canine, premolars and first molars in patient teeth, reported at Orthodontics Out patient Department, at Karachi Medical Dental College, Pakistan.

Materials and Methods: It was a cross sectional study of orthodontic patients. With convenience sampling a total of 300 patients (234 girls, and 66 boys) referred to the Department of Orthodontics, Karachi Medical Dental College, were evaluated in this study. The mean age of the patients was 16.5 3.9years with a range of 10 to 25years. The Mesiodistal tooth width was measured for central incisor, lateral incisor, canine, first premolar, second premolar and first molar on 300 unsoaped mandibular and maxillary plaster models. Over all 7200 teeth were measured by the help of boleys gauge with precision reading of 0.1. The Mean, and standard deviation of mesiodistal crown width was calculated by the help of SPSS -10 and independent sample t test applied to see the gender dimorphism.

Results: Average mesiodistal teeth widths were determined. There is a difference in mean teeth width on the right and left side in each group of teeth.

Conclusions: Mesiodistal crown width of individual teeth is the basic data required for various analyses, such as mix dentition analysis, and Bolton analyses. Theses are the essential requirement for proper orthodontic treatment plan. Knowing the Pakistani population average teeth width help to build the our population norms to use for space analysis and bolton analysis.