EVALUATION OF MAXILLARY CENTRAL INCISOR WIDTH BY REGRESSION ANALYSIS IN DIFFERENT FACE FORMS
Restoration of esthetics and function are the primary objectives of prosthodontic rehabilitation. Estimating the width of central maxillary incisor mesiodistally is a tedious task in edentulous subject having no pre-extraction records. Several anthropometric measurements of face have been advocated as a guide to calculate the width of central maxillary incisors in edentulous subjects. The study was conducted in Faryal Dental College to assess relationship between the inner canthal distance with maxillary central incisor width in squarish, ovoid and tapering face forms by regression analysis and whether it is applicable in selection of maxillary anterior teeth in edentulous patients. The face forms of different patients were evaluated by subjecting the photographs to computer analysis. Regression analysis was performed to find the relationship of maxillary central incisor width to inner canthal distance both of which were measured by vernier calipers in patients having no facial or dental deformaties. The statistically significant result of this study proved that there is weak association between inner canthal distance and mesiodistal width of central incisors. The inner canthal distance cannot be taken as dependable anthropometric measurement to select central maxillary incisor width.
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