Perception of smile esthetics by patients reporting for orthodontic treatment

Abstract

Objective: The main objective of this study was to evaluate smile esthetics in terms of midline diastema, smile arc and gingival display during smile by patients reporting for orthodontic treatment. Study design: A cross-sectional study. Setting: Out Patient Door, Orthodontic Department Liaquat University of Medical and Health Sciences, Jamshoro Sindh. Duration: The study was conducted within 06 months after the approval of synopsis i-e from Dec 2020, to May 2021. Sample size: Out measures were 1) midline diastema, 2) Gingival Display during smile, 3) smile arc. Sample size calculation was done by using “Openepi” software with 5% margin of error and 95 % confident value, Mean 0.95, Sample size was n= 126. Sample technique: Non-Probability consecutive sampling technique. Data collection method: After approval of this study from Ethical Review Committee of LUMHS study was conducted at Orthodontic Department, Institute of Dentistry, Liaquat University of Medical and Health Sciences Jamshoro. There were total of 126 participants in this study, Data was collected showing three different front smiling photographs with various degrees of; Gingival Show During Smile i-e A= 0mm B =0.5mm C=1.5mm D=2mm E=2.5mm Smile Arc i-e A. Convex/Curved B. Plan/Straight C. Inverted/Reverse.