HIGHLIGHTS
SUMMARY
The Smile Esthetic Index (SEI) has been proposed as a reliable and reproducible method to evaluate the aesthetics of a smile using photographs. Indeed, when the dentist asks the patient to perform a forced smile in front of the camera lens, the patient displays less periodontium than the actual maximum smile. In plastic and reconstructive surgery, studies have evaluated the smile dynamics and soft tissue changes that occur as the face transitions from the resting to the maximum smile position. Walder et_al compared the use of videographs and photographs to assess the aesthetics of . . .
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