The gingival zenith of the canine is apical to the gingival zenith of the incisors (GLA <90 degrees ), and the gingival zenith of the lateral incisor is below (81.1%) or on (15%) the gingival line when the head is oriented in the axis orbital plane. A directional asymmetry was shown, with the right side higher than the left side. Along with other parameters related to dental esthetics, these clinical parameters applied to the gingival contours may serve as esthetic guidelines and may enable us to obtain a more predictable esthetic outcome.
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