Journal of Japanese Cleft Palate Association
Online ISSN : 2186-5701
Print ISSN : 0386-5185
ISSN-L : 0386-5185
Correlation between 3D Facial Morphology, Occlusal Relation, and Oral Function in Patients with Unilateral Cleft Lip and Unilateral Cleft Lip and Alveolus
Yusuke ITAGAKIHiroyasu KANETAKAKaoru IGARASHI
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2017 Volume 42 Issue 3 Pages 177-186

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Abstract

Today, many aspects of the growth and developmental change of maxillofacial form and function in patients with cleft lip remain unexplained. Precise understanding of the relation between form and function in maxillofacial components in a growing patient might help to indicate more effective intervention and treatment timing. This study examined 5-9-year-old patients with unilateral cleft lip and unilateral cleft lip and alveolus who had undergone cheiloplasty during infancy. We took 3D facial morphological measurements and conducted an occlusal relation evaluation (5-Year-Olds’ Index) for morphological evaluation. Moreover, we took measurements of lip pressure, tongue pressure, and masticatory efficiency rates as functional indicators to evaluate their relations. The results showed that 3D facial morphological measurements revealed no significant difference by age. Regarding occlusal evaluation, the average score of 5-Year-Olds’ Index was 1.73. Regarding functional evaluation, average scores of lip pressure, tongue pressure, and masticatory efficiency rate were, respectively, 2.21kPa, 20.09kPa, and 16.02mg/s. In terms of correlation related to 3D facial morphology, occlusal relation and oral function, significant correlations or relations were found between (1) the angle of the angulus oris and 5-Year-Olds’Index, (2) the ratio of the cupid bow vertex and lip pressure, and (3) the red appearance area of the lip and masticatory efficiency rate. These results revealed a certain correlation between maxillofacial form and function for patients with unilateral cleft lip and palate in growth.

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© 2017 Japanese Cleft Palate Association
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