Abstract
Smile is an expression which can help people feel better. Smile can express a sense of affection, joy, happiness, kindness, and confidence. Dentistry is one such profession which deals with smile esthetics. Smile esthetics is a type of subjective evaluation. Few clinicians believe that smile harmony is determined by only the shape, position, and color of teeth. However, actually, gingival tissue also plays an important role in determining smile harmony. Visibility of periodontium depends on smile line which is the ratio between the upper lip and usually is convex in appearance. Excessive exposure of gums while smiling is referred to as gummy smile.
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