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Changes In Smile Proportions Concomitant To Extraction And Non- Extraction Orthodontia (A Comparative Study), Marwa Hassan, Samir Ibrahim, Ahmad Salama

Al-Azhar Journal of Dentistry

Objective: An attractive, well-balanced smile is a paramount treatment objective of modern orthodontic therapy. The purpose of this study was to compare changes in smile proportions among extraction and non-extraction therapy cases and to correlate them with the accompanying hard and soft tissue changes. Material and Methods: A sample of 24 patients with an age range of 14.3-24.9 years, requiring fixed orthodontic treatment was divided into group I (extraction therapy cases) and group II (nonextraction therapy cases). Dentofacial characteristics of the 2 groups were obtained from close up smile photographs and lateral cephalometric analyses before and after treatment. independent student …