Abstract
Abstract Objective: Dental age in children with a bilateral cleft lip and palate (BCLP) was assessed and compared with children without cleft. Design: Dental age was estimated for 74 children with a complete BCLP (54 boys and 20 girls) from 364 orthopantomograms. Nonlinear regression curves were made between 5 and 14 years of age for boys and girls separately. A comparison was made with a sample of Dutch children (91 girls and 90 boys) without oral clefts for three different age groups, namely 5, 9.5, and 14 years of age. Setting: Data collection was carried out at the Cleft Palate Center, University Medical Center Nijmegen (The Netherlands). A sample from the Nijmegen Growth Study was used as a normative sample. Results: At 5 years of age, boys with a BCLP were significantly delayed in dental age compared to boys without cleft. After that age, no significant differences in dental age were found. For girls with a BCLP, no difference in dental age with the girls without cleft could be found. Conclusion: De...
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