Masticatory performance, muscle activity, and occlusal force in preorthognathic surgery patients

Tate, Gregory S.; Throckmorton, Gaylord S.; Ellis, Edward; Sinn, Douglas P.

doi:10.1016/0278-2391(94)90344-1

Cited by 72 publications

(70 citation statements)

References 16 publications

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“…Therefore, the muscle efficiency and force generated during mastication could not be considered the primary determinants of masticatory performance in the studied sample, agreeing with others. 19,26 The lack of correlation between masticatory variables in this study could also be attributed to the dietary habits of today. The increasing softness of food is an environmental factor that might exert a strong influence on occlusal force.…”

Section: Discussionmentioning

confidence: 78%

“…On the other hand, the number of posterior functional teeth has been considered one of the best predictors of masticatory performance 9,26 because the contacts between occluding teeth determine the area available for shearing and grinding food during the chewing cycle. 5,9,11 This could explain the present findings, as children had no missing teeth.…”

Section: Discussionmentioning

confidence: 99%

“…5,26 The bite force is one of the components of the chewing function. It increases with age from childhood, 1 stays fairly constant from 20 to 40 years of age and then declines.…”

mentioning

confidence: 99%

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Masticatory performance and bite force in children with primary dentition

Gavião

Raymundo²,

Rentes³

2007

Braz. oral res.

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The aim of this study was to evaluate the relationship between masticatory performance and maximum bite force in the primary dentition. The sample comprised 15 children of both genders, aged 3 to 5.5 years, with good systemic and oral health, presence of all primary teeth without large caries, no structural anomalies, without severe malocclusion, and no history of orthodontic treatment. They chewed one standardized silicone tablet for 20 strokes and the median areas of the chewed particles were measured by an optical digital system. Enhanced performance was measured by a decrease in the chewed particle areas and an increase in the amount of chewed particles. The bite force was determined using a transmitter pressurized tube connected to an analog/digital electronic circuit. Weight, height and body mass index (kg/m 2 ) were determined. The data were analyzed by descriptive statistics and Pearson or Spearman's correlations, after assessment of the normality of the distribution by Shapiro-Wilks' W-test. There was no correlation between bite force and particle area and amount (p > 0.05), neither were the body variables correlated with the masticatory variables (p > 0.05). It was concluded that the bite force was not a primary determinant of masticatory performance, and both variables were not dependent on body variables in the studied sample. Descriptors: Mastication; Bite force; Dentition, deciduous.Resumo: O objetivo deste estudo foi avaliar a correlação entre performance mastigatória e força de mordida máxima na dentição decídua. A amostra consistiu de 15 crianças de 3 a 5,5 anos de idade, de ambos os gêneros, apresentando boa saúde bucal e sistêmica, com a presença de todos os dentes decíduos, sem cáries extensas, sem anomalias estruturais, sem maloclusão severa e ausência de tratamento ortodôntico. Um tablete de silicone foi mastigado durante 20 ciclos e as áreas medianas das partículas foram mensuradas por um sistema óptico digital. A performance mastigatória foi considerada melhor quanto menor o tamanho das partículas mastigadas e quanto maior o número das mesmas. Para a força de mordida utilizou-se um tubo transmissor pressurizado, conectado a circuito eletrônico analógico/digital. O peso, a altura e o índice de massa corporal (kg/m 2 ) foram determinados. Os dados foram analisados pela estatística descritiva e correlacionados pelo coeficiente de Pearson ou Spearman, após a avaliação da normalidade da distribuição pelo teste de Shapiro-Wilks. Não houve correlação significativa entre a força de mordida e as áreas e o número das partículas (p > 0,05), assim como as variáveis corporais não se correlacionaram com as variáveis mastigatórias (p > 0,05). Concluiu-se que a força de mordida não foi o principal determinante da performance mastigatória na amostra avaliada, e ambas não foram dependentes das variáveis corporais. Descritores: Mastigação; Força de mordida; Dentição decídua.

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Section: Discussionmentioning

confidence: 78%

Section: Discussionmentioning

confidence: 99%

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Masticatory performance and bite force in children with primary dentition

Gavião

Raymundo²,

Rentes³

2007

Braz. oral res.

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“…Several previous studies have reported bite force as a clinical indicator of masticatory performance. This parameter is correlated with craniofacial morphology (Tsunori et al), gender (Tate et al, 1994) age (Klitgaard et al, 1990) temporomandibular disorders (TMD) (Pizolato & Gaviao, 2007), and also with status, number and tooth mobility (Miyaura et al, 1999).…”

Section: Introductionmentioning

confidence: 99%

Muscle Fiber Type Composition, Fiber Diameter, Capillary Density in Temporalis and Masseter Muscles and Correlation with Bite Force

Guimarães¹,

Ferreira²,

Wakamatsu³

et al. 2013

Int. J. Morphol.

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SUMMARY:The jaw muscles are essential components in the stomatognatic system. Their complex architecture allows them to execute several motor tasks. One of the structural peculiarities is the presence of hybrid and neonatal fibers.We studied the differences of the fiber-type in masseter and temporalis muscles along the first to nineth decades in both genders. Seventy-four (74) samples were analyzed by immunohistochemistry. Slow and fast muscle fibers distribution was similar in both muscles in both genders. Hybrid fiber was observed in all decades, and its frequency decreased significantly (p<0.001) with aging in masseter. Neonatal myosin expression was observed in all decades, its expression was more frequent in masseter (p=0.01), and males in temporalis (p=0.025). Decrease of the cross sectional area of fast and slow fibers, and decrease of capillary density were detected with aging. These morpho-immunohistochemical alterations on masseter and temporalis muscles correlated to the decrease in bite force with aging.

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“…It is worth remembering that the bite force can be influenced according to the craniofacial morphology (16) , sex (17) , age (18) , presence of signs and symptoms of temporomandibular disorder (19) and number of teeth (16) . Although some studies have focused on the myofunctional orofacial condition and bite force in children with posterior crossbite, in different age groups, the results are still controversial, which makes it difficult to understand the occlusal relationship and myofunctional orofacial condition.…”

Section: Introductionmentioning

confidence: 99%

Força de mordida em crianças com mordida cruzada posterior

Vilela

Picinato-Pirola

Giglio

et al. 2017

Audiol., Commun. Res.

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Introduction:The bite force is influenced by the occlusal condition. In children with posterior crossbite the results are controversial. Purpose: To investigate the influence of posterior crossbite in maximal isometric bite force (MIBF) in children with mixed dentition. Methods: In this cross-sectional study, 32 children participated, 21 of them belonging to the posterior cross-bite group (10 girls and 11 boys, mean age 9.2 years) and 11 to the control group (6 girls, 5 boys, mean age 9.3 years). The children were evaluated by an orthodontist for occlusal diagnosis and characterization of the groups, by otorhinolaryngologists for evaluation of respiratory symptoms and by a speech therapist to identify the clinical and MIBF myofunctional orofacial condition. The dynamometer was placed in the molar region and the children were instructed to bite it as hard as possible three times alternately. For data analysis, Student's t-test for independent samples was used. The level of significance was set at 5%. Results: While comparing the groups crossbite vs. control, there was no significantly difference; also, among only children belonging to the crossbite group, there was no difference between the sides (crossed bite vs. Noncrossed one). Conclusion: The presence of posterior crossbite did not influence the maximal isometric bite force in children with mixed dentition.

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Masticatory performance, muscle activity, and occlusal force in preorthognathic surgery patients

Cited by 72 publications

References 16 publications

Masticatory performance and bite force in children with primary dentition

Masticatory performance and bite force in children with primary dentition

Muscle Fiber Type Composition, Fiber Diameter, Capillary Density in Temporalis and Masseter Muscles and Correlation with Bite Force

Força de mordida em crianças com mordida cruzada posterior

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