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  • Title: Initial cleft severity and maxillary growth in patients with complete unilateral cleft lip and palate.
    Author: Chiu YT, Liao YF, Chen PK.
    Journal: Am J Orthod Dentofacial Orthop; 2011 Aug; 140(2):189-95. PubMed ID: 21803256.
    Abstract:
    INTRODUCTION: Initial cleft severity in patients with complete unilateral cleft lip and palate (UCLP) varies. This is reflected in the sizes of the cleft and the palate. The purpose of this retrospective study was to establish whether there is a relationship between cleft severity at birth and growth of the maxilla. METHODS: Maxillary dental casts of 29 infants with nonsyndromic complete UCLP were used to measure the sizes of the cleft and the palate. The later growth of the maxilla was determined by using cephalometric radiographs taken at age 9. Statistical analyses were performed with multiple linear regression. RESULTS: The results showed a relationship between cleft area and maxillary protrusion (SNA, P <0.05). Also, there was a relationship between palate area and maxillary width (P <0.05). CONCLUSIONS: These data suggest that in patients with complete UCLP there is a significant relationship between initial cleft severity and maxillary growth. Patients with a small cleft area have a more protruded maxilla than do those with a large cleft area. Patients with a large palate area have a wider maxilla than those with a small palate area.
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