Int Arch Otorhinolaryngol 2014; 18(03): 272-276
DOI: 10.1055/s-0034-1374647
Original Research
Thieme Publicações Ltda Rio de Janeiro, Brazil

Maximum Bite Force Analysis in Different Age Groups

Patricia Takaki
1   Speech Therapy Department, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
,
Marilena Vieira
1   Speech Therapy Department, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
,
Silvana Bommarito
1   Speech Therapy Department, Universidade Federal de São Paulo, São Paulo, São Paulo, Brazil
› Author Affiliations
Further Information

Publication History

11 November 2013

07 March 2014

Publication Date:
24 April 2014 (online)

Abstract

Introduction Maximum bite force (MBF) is the maximum force performed by the subject on the fragmentation of food, directly related with the mastication and determined by many factors.

Objective Analyze the MBF of subjects according to age groups.

Methods One hundred individuals from the city of São Paulo were equally divided according to age groups and gender. Each individual submitted to a myotherapy evaluation composed of anthropometric measurements of height and weight to obtain body mass index (BMI), using a tape and a digital scale (Magna, G-life, São Paulo), and a dental condition and maximum bite force evaluation, using a digital dynamometer model DDK/M (Kratos, São Paulo, Brazil), on Newton scale. The dental and bite force evaluations were monitored by a professional from the area. Analysis of variance was used with MBF as a dependent variable, age group and gender as random factors, and BMI as a control variable.

Results Till the end of adolescence, it was possible to observe a decrease in MBF in both sexes, with the male force greater than the female force. In young adults, the female force became greater the males, then decreased in adulthood. There was no correlation between MBF and BMI.

Conclusion There are MBF variations that characterizes the human development stages, according to age groups.

 
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