Evaluation of the Influence of Nasolabial Angle, Upper Sulcus Depth, and Nasal Tip Protrusion in the Perception of Facial Attractiveness.

Objective: To evaluate the influence of variations in the upper sulcus depth, nasal tip protrusion, and nasolabial angle on the esthetic perception of profiles.

Design: A web-based survey study and was conducted in the Department of Orthodontics and Dentofacial Orthopaedics. This survey was conducted for a period of 10 months and included orthodontists practicing in India.