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  • Title: Prediction of the mesiodistal width of unerupted permanent canines and premolars: a statistical approach.
    Author: Boboc A, Dibbets J.
    Journal: Am J Orthod Dentofacial Orthop; 2010 Apr; 137(4):503-7. PubMed ID: 20362910.
    Abstract:
    INTRODUCTION: Prediction of the mesiodistal width of unerupted permanent canines and premolars is of major interest for orthodontic diagnosis and treatment planning. METHODS: To improve the accuracy of the prediction, we looked for the best combination of independent variables with multiple linear regression. RESULTS: The most accurate prediction was obtained for the combination of the mandibular right first molar and lateral incisor, and the maxillary left central incisor. Adding to the regression equation 1 erupted canine or premolar improved the accuracy of the prediction considerably. Because of the variable character of the eruption sequence during the second transitional period, a separate regression model for every canine or premolar was necessary. The precision of our new method and other methods from the literature was tested in a separate study group. CONCLUSIONS: The results of this study show that our prediction method of the mesiodistal crown diameters of unerupted canines and premolars during the dental transition is accurate. A computer program was developed for user-friendly clinical application.
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