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Int J Periodontics Restorative Dent 34 (2014), No. 6 24. Nov. 2014
Int J Periodontics Restorative Dent 34 (2014), No. 6 (24.11.2014)
Page 764-771, doi:10.11607/prd.2171, PubMed:25411731
Three-Dimensional Analysis of the Correlation Between Anterior Tooth Form and Face Shape
Wegstein, Philipp G. / Horvath, Sebastian D. / Stemmann, Johannes / Lüthi, Marcel / Blatz, Markus B.
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.