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标题：Evaluation of the force applied by the tongue and lip on the maxillary central incisor tooth
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作者：Valentim, Amanda Freitas ; Furlan, Renata Maria Moreira Moraes ; Perilo, Tatiana Vargas de Castro 等
期刊名称：CoDAS
印刷版ISSN：2317-1782
出版年度：2014
卷号：26
期号：3
页码：235-240
DOI：10.1590/2317-1782/201420130077
出版社：Sociedade Brasileira de Fonoaudiologia
摘要：PURPOSE: To describe the development and testing of a system that measures forces exerted by the tongue and upper lip on a tooth during rest and during swallowing.METHODS: Twenty-eight subjects, aged 19-31 years (mean: 23.2 years) were submitted to measurement of forces exerted by the upper lip and tongue on the maxillary right central incisor tooth.Flexiforce resistive sensors were fixed on the labial and lingual surfaces of the tooth.They were connected to an amplifier circuit and a data acquisition board for processing and transmitting information to a computer.RESULTS: At rest, the tongue force on the tooth was 0.00±0.00 N and the lip force on tooth was 0.02±0.02 N.The difference between them was significant.During swallowing, the values were 0.31±0.38 N and 0.15±0.14 N, for the tongue and lip, respectively.This difference was not significant.CONCLUSION: At rest, the lip exerts a larger force than the tongue on the maxillary right central incisor tooth.During swallowing, there was no difference between lip and tongue force on the tooth.
其他关键词：Muscle strength;Tongue;Lip;Tooth;Bioengineering