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Keywords

Lingual frenulum, Tongue physiology, Tongue diseases, Speech disorders, Quantitative evaluation

Abstract

The purpose of this study was to establish a quantitative method to classify lingual frenulum as normal and altered. Methods: 98 people were included in this study. All measurements were made with maxium opening of the mouth. A digital caliper was used to measure the length of the frenulum under three conditions: a) with the tongue tip on the incisal papilla; b) with the tongue sucked up and maintained against the hard palate; and c) with tongue stretching over a spatula. Results: observations indicated that the most useful and statistically significant way of measuring frenulum length was achieved with maximum mouth opening and the tongue tip on the incisal papilla. Conclusion: this quantitative method was demonstrated to be effective for identifying and distinguishing normal and altered frenular length.

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