the Effect of Viewing Idealized Smile Images Versus Nature Images Via Social Media on Immediate Facial Satisfaction in Young Adults: a Randomized Controlled Trial.

"Facial dissatisfaction was measured using orofacial aesthetic scale. Participants were asked about how they feel about their smile at that point of time.~The state appearance comparison scale was used to see what the participants thought about their own appearance, their comparison to photographs, and the comparison of their smile, teeth and face to the photographs."