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Year : 2007  |  Volume : 7  |  Issue : 3  |  Page : 123-125

Biometric relationship between intercanthal dimension and the widths of maxillary anterior teeth

Department of Prosthodontics, Government Dental College and Hospital, Ghati, Aurangabad, Maharashtra, India

Correspondence Address:
Ulhas E Tandale
Room No. 233, Department of Prosthodontics, Government Dental College and Hospital, Ghati, Aurangabad - 431 001
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0972-4052.37655

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Problem: Selection of appropriately sized maxillary anterior teeth is one of the difficult aspects of esthetics in complete denture prosthodontics. Many attempts have been made to establish methods for estimating the combined width of maxillary anterior teeth and central incisors using anatomical landmarks, but depending on a single method for this purpose is not advisable in such a crucial esthetic stage. This study attempts to provide a guideline along with other methods for determining this relationship. Purpose: The purpose of the study was to determine whether a relationship exists between the intercanthal dimension and four mesiodistal width combination of the maxillary anterior teeth. Setting and Design: This study has a cross-sectional design. The work was performed in a dental college and hospital. Statistical Analysis Used: Pearson correlation coefficient with paired t test with a confidence interval level of 95%; this is determined on the basis of the sample size. Materials and Methods: Maxillary anterior teeth of 210 patients were examined. The intercanthal distance was measured between the median angels of the palpebral fissure. The mean widths of two central incisors, combined width of the four incisors and combined width of six anterior teeth were intraorally determined at their widest dimensions. Statistical analysis was performed to determine the relationship between the intercanthal distance and the four measurements of maxillary anterior teeth. Results: After the statistical analysis, it was found that biometric ratios of 1: 0.271 and 1: 1.428 could be used to estimate the central incisor width and the combined widths of the six anterior teeth, respectively. Conclusion: Within the limitation of this study, the intercanthal distance can be used as a preliminary method for determining the width of the maxillary anterior teeth during the initial selection of the teeth for an edentulous patient.

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