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Int J Periodontics Restorative Dent. 2014 Nov-Dec;34(6):765-71. doi: 10.11607/prd.2171.

Three-dimensional analysis of the correlation between anterior tooth form and face shape.

Abstract

Traditional esthetic guidelines and denture-tooth selection protocols suggest a correlation between a patient's face and anterior tooth shapes. This study examined the correlation between face shape, maxilla shape, and maxillary anterior tooth form with fully automated algorithms. Three-dimensional digital datasets of the faces and maxillae were obtained from 117 people. Correlation was analyzed using canonical correlation analysis, ridge regression, and the Hausdorff-distance. A weak but not statistically significant correlation between face and tooth shape could be identified. However, a good prediction of tooth shape from the facial data was not possible. The described approach revealed a weak correlation between face shape and tooth shape, but the outcome was not accurate enough for clinical use.

PMID:
25411731
DOI:
10.11607/prd.2171
[Indexed for MEDLINE]

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