Prediction of dental arch width increase in the early mixed dentition using craniofacial parameters.

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Prediction of dental arch width increase in the early mixed dentition using craniofacial parameters.

Minerva Stomatol. 2018 Dec;67(6):231-236

Authors: Ghaderi F, Momeni Danaei S, Rajaei Y, Rafiee A

Abstract
BACKGROUND: The dimensions of the dental arch have considerable impact on treatment planning. Since the dental arch development has a relationship with the craniofacial growth, we designed a cohort study to find a regression model for predicting the mandibular arch width increase using craniofacial parameters.
METHODS: A total of 148 children, all in early mixed dentition, were selected randomly from primary schools by cluster sampling. Craniofacial anthropometric parameters were measured by a caliper bow and intercanine and intermolar widths were assessed on each subject's dental casts by a digital caliper at baseline and after 12 months. Data were analyzed with SPSS v. 15. Student's t-test and linear regression test were applied separately for girls and boys.
RESULTS: Out of 153 children, 148 returned for one-year follow-up meeting the inclusion criteria. The results of regression analysis showed a significant inverse correlation between intercanine width and facial index. The bigonial dimension showed a high correlation with both the intermolar width and the intercanine width increase.
CONCLUSIONS: We found that the arch width increase in the early mixed dentition could be predicted precisely based on certain craniofacial parameters.

PMID: 30499285 [PubMed - in process]

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