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Cephalometric Soft Tissue Morphology of Adults With Unoperated Submucous Cleft Palate.

The aim of this study was to compare craniofacial soft tissue characteristics between subjects with unrepaired submucous cleft palate (SMCP) and noncleft individuals.
This retrospective cross-sectional study was performed on 27 subjects with unrepaired SMCP (13 male and 14 female subjects; mean age, 21.77 ± 4.09 years) and 30 noncleft controls (14 male and 16 female subjects; mean age, 22.67 ± 4.28 years). The predictor variable was cleft deformity. The outcome variable was cephalometric soft tissue measurements. Other study variables were gender and age. Independent samples t test and Mann-Whitney U test were used for intergroup comparison. P value was set at .05.
Significant differences were observed in the facial profile angle, total facial profile angle, soft tissue A-N-B angle, nasal base prominence, upper lip length, lower lip protrusion, and the ratio of upper lip length to mentolabial height between subjects with unoperated SMCP and noncleft controls.
The primary deformity of the cleft palate leads to unsatisfactory facial soft tissue morphology, especially in the middle facial region.