Risk Factors for Poor Dental Arch Relationships in Young Children Born with Unilateral Cleft Lip and Palate

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Abstract
To identify risk factors for poor dental arch relationships in children with unilateral cleft lip and palate in the United Kingdom, the authors performed a cross-sectional outcome study with retrospective data capture of treatment histories in children under the care of 44 cleft teams in the United Kingdom. The study sample comprised 238 children born with nonsyndromic complete unilateral cleft lip and palate between April 1, 1989, and March 31, 1991, who were between 5.0 and 7.7 years of age (mean age, 6.5 years) at the time of data collection. The Five-Year-Old Index was used to rank dental arch relationships from dental study models. Velopharyngeal insufficiency was assessed with the use of the Cleft Audit Protocol for Speech. An independent panel recorded surgical treatment histories from the clinical notes. There was no association between the technique and the timing of primary repair, the experience of the surgeon, or presurgical orthopedics and dental arch relationships. Secondary velopharyngeal surgery was independently associated with poor outcome (OR, 4.14; 95 percent CI, 1.6 to 10.7; p = 0.003). Primary nasal repair was protective (OR, 0.47; 95 percent CI, 0.23 to 0.93; p = 0.031) against poor dental arch relationships. Secondary velopharyngeal surgery and primary nasal repair were found to be independently associated with dental arch relationship outcomes in young children with unilateral cleft lip and palate in the United Kingdom. (Plast. Reconstr. Surg. 111: 586, 2003.)
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