Master of Science in Dentistry
Bhavna Shroff, D.D.S., M.Dent.Sc., M.P.A.
Al M. Best, Ph.D.
Steven J. Lindauer, D.M.D., M.D.Sc.
ESTHETIC PREFERENCES FOR MAXILLARY INCISOR LABIOLINGUAL INCLINATION ACROSS RACES
by Elvi Marie Barcoma, D.D.S.
A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University
Virginia Commonwealth University, 2015
Major Director: Bhavna Shroff, D.M.D., M.Dent.Sc, Program Director, Orthodontics
Objective: To determine if people of different racial backgrounds prefer different amounts of
maxillary incisor labiolingual inclination from a smiling profile view.
Materials and Methods: An electronic survey was created with smiling profile images of an African-American female and a White female with varying degrees of maxillary incisor labiolingual inclination. Images were ranked from most attractive to least attractive.
Results: There was no statistically significant difference in the overall preference for maxillary incisor labiolingual inclination between African-American and White evaluators or between genders. The estimated optimal incisal inclination across races was -8.1°.
Conclusions: There was no clinically significant difference in the estimated optimal inclination across races or between genders. The average of the top three maxillary incisor inclinations ranged between -10° and -5°. The majority of evaluators preferred retroclined maxillary incisors over proclined maxillary incisors.
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