The purpose of this study was to compare the influence of two different ages at the time of palatal closure and two surgical methods on the size of the dental arches at the age of 3 years in children, with CP, UCLP, and BCLP. In 88 children the one-stage palatal closure had been performed at the age of 1.8 years and In 92 children at the age of 1.1 years. In both groups palatal surgery had been performed with a V to Y push back procedure (Veau-Wardill-Killner) or with the Cronin modification. Dimensions of the maxillary arch in both groups at age 3 were smaller than In noncleft children, but the timing of palatal closure did not affect arch dimensions In children with CP, UCLP, or BCLP. Arch dimensions at 3 years of age were not related to the method used in palatal closure.
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