Evaluation of Smile Esthetics in Orthodontically Treated Adult Female Patients with Bimaxillary-dentoalveolar Protrusion. A Retrospective Cohort Study.
Study Type
OBSERVATIONAL
Enrollment
19
Asmaa Aboelnaga
Cairo, Egypt
Gingival display
Amount of maxillary gingival exposure between inferior border of upper lip and marginal gingiva of maxillary central incisors.
Time frame: Change from Baseline gingival display, at an average 24 months
Lateral negative space
The buccal corridor between the posterior teeth and the corner of the mouth in smiling.
Time frame: Change from Baseline lateral negative space, at an average 24 months
Smile arc
Relationship between a hypothetical curve drawn along The edges of the maxillary anterior teeth and the inner contour of the lower lip in the posed smile.
Time frame: Change from Baseline smile arc, at an average 24 months
Lip line
The height of the upper lip relative to the maxillary central incisors.
Time frame: Change from Baseline lip line, at an average 24 months
Smile width
The distance between the most medial points on the lips at the angles of the mouth (Left to right cheilion, CHR to CHL).
Time frame: Change from Baseline smile width, at an average 24 months
Smile height
Distance from the most inferior point on the upper lip between the maxillary central inciors to the most superior point on the lower lip on a perpendicular vertical line from the upper point (upper stomion to lower stomion,UST to LST).
Time frame: Change from Baseline smile height, at an average 24 months
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