The Perception of Smile Arc and Buccal Corridor in Medical and Dental Undergraduate Students of Peshawar, Pakistan: A Descriptive Cross-sectional Study
Abstract
Objective: To compare smile aesthetics perceptions, focusing on components such as smile arc and buccalcorridor, between pre-clinical medical and dental students.Study Design: A descriptive cross-sectional study.Place and Duration of Study: The study was conducted at the Department of Medical and Dental Education forundergraduate students of Peshawar Medical and Dental College, Peshawar, Pakistan from June 2023 toJanuary 2024.Methods: Using Cochran's formula, a descriptive cross-sectional study was conducted on 196 participantsusing a non-probability consecutive sampling technique. Undergraduate medical and dental students aged 21to 28 from specific colleges in Pakistan were included. Participants evaluated digitally altered images of afemale undergraduate student's smile using a 7-point Likert scale. An independent t-test was applied tocompare perceptions among the two groups.Results: Among 196 participants, 143 (72.96%) were female, and 53 (27.04%) were male, with a mean age of25.0±1.96 years. Dental students were exclusively comprised of females, while medical students had a highermale proportion (54.08%). A comparison of buccal corridor perception between pre-clinical medical and dentalstudents showed that dental students generally rated wider corridors less favorably. Significant differenceswere observed at 5 mm and 15 mm corridors (P=0.017 and P=0.044, respectively). A significant difference wasobserved for the widest corridor (25 mm) (P=0.001). A comparison of smile…
How strong is the evidence?
Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause. Reported size: 196 participants or records.
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