Chewing side, bite force symmetry, and occlusal contact area of subjects with different facial vertical patterns

Gomes, Simone Guimarães Farias; Custódio, William; Faot, Fernanda; Cury, Altair Antoninha Del Bel; Garcia, Renata Cunha Matheus Rodrigues

doi:10.1590/s1806-83242011005000014

Cited by 39 publications

(36 citation statements)

References 21 publications

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“…Our study demonstrated increased tooth wear as a result by unilateral chewing reported almost equal among all social classes with slighter higher findings in upper socioeconomic class. Unilateral chewing results in higher impact force on the preferred side of chewing, resulting in greater occlusal contact and subsequent tooth wear and dentin exposure [32]. In present study, almost 47% of participants preferred Unilateral chewing, this is in accordance with study reported by Zhang J et al who reported 46.8% unilateral chewing preference among his study group [33].…”

Section: Discussionsupporting

confidence: 91%

Socioeconomic Status and Dental Wear --- A correlation

Baber¹

2017

Biol Eng Med

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Objective: To evaluate an association of dental wear among different socio economic groups Methodology: It was a cross sectional study conducted in dental OPD of Dow University of Health Sciences. A custom design questionnaire was developed to assess the tooth wear among different social classes by questions directly and indirectly related to dental wear. Sample size was calculated via software OPEN API, and considering patient turnover in opd over a 10 months' period. Sample size was 400. Study was conducted during the period of March 2016 to Jan 2017. Socioeconomic groups were divided into Upper, Middle and Lower class. Data was analyzed through SPSS Ver 21. Results:Results showed Poor socioeconomic group to be the most effected by tooth wear, except for chewing habits which were almost same among all social classes. Possible reasons include lack of awareness, knowledge and education regarding predisposing factors for tooth wear Conclusion: Current data evaluating SES with tooth wear is lacking. Many confounding variables were overlooked in present study and can be studied further in finding association between SES and tooth wear

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Section: Discussionsupporting

confidence: 91%

Socioeconomic Status and Dental Wear --- A correlation

Baber¹

2017

Biol Eng Med

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“…The examinees that were not sure about their preferred chewing side were classified on the group of "both". In other side, there are papers that describe detecting of the chewing side preference, by viewing of the examinees during mastication or using kinesiographic movements by using jaw tracking movement [5] [12]. The position of the examinee was sitting in a dental chair with the head position, normal to the body and the mandible, parallel to the floor (Figure 1).…”

Section: Methodsmentioning

confidence: 99%

“…The force results from the action of the jaw elevator muscles (in turn, determined by the central nervous system and feedback from muscle spindles, mechanoreceptors, and nociceptors) modified by the craniomandibular biomechanics [4]. It is considered that the bite force is the key determinant of the masticator function [5]. Masticator function is predicted by a number of parameters, including bite force [6] and occlusal contact area [7], which suggests that the higher the bite force is and the larger the occlusal contact area is, the more efficient the mastication is.…”

Section: Introductionmentioning

confidence: 99%

The Relation between the Preferred Chewing Side and Occlusal Force Measured by T-Scan III System

Bicaj¹,

Pustina²,

Ahmedi³

et al. 2015

OJST

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Occlusal force has the main role in determining the teeth health in general and determining the chewing, muscle and TMJ function. The objective of this study was to find if there was any relation between the preferred chewing side and the force, measured by T-scan III system. The total number of 90 (46 female and 44 male) dental students was included in this study. They were asked whether their preferred chewing side was right, left or both. Afterwards, the occlusal forces in habitual occlusion, using T-Scan III Electronic device (IP-CO position mode, MA-mode, MA sensitivity setting) were measured. The data were presented as Mean ± SD. Spearman correlation was used to find the correlation between the occlusal force and chewing side. Differences in P < 0.05 were considered significant. There were 90 subjects (46 female and 44 male) mean age 23.3 (SD ± 2.2 years) included in the study. The preferred chewing side of 42 subjects was the right side, 24 of them preferred the left side and the other 24 preferred both sides as the chewing side. Occlusal force was higher in the preferred chewing side (P < 0.05) but using Spearman correlation, there was no statistical significance of occlusal force between the groups, the left side (r = −0.143, P > 0.05) and the right side (r = 0.143, P > 0.05) according to the preferred chewing side. In this study, the relation between the preferred chewing side and occlusal force was found.

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“…The presence of atypical muscle contractions was observed both in mastication and in deglutition, with no significant difference between groups (Figure 3). activity, force, motion, as well as time and pattern of chewing 13,29,30 .…”

Section: Resultsmentioning

confidence: 99%

Influência da hipermobilidade articular generalizada sobre a articulação teoromandibular, mastigação e deglutição: estudo transversal

et al. 2015

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OBJETIVO: avaliar a articulação temporomandibular, as funções de mastigação e deglutição em mulheres assintomáticas com e sem hipermobilidade articular generalizada e a associação entre estas variáveis. MÉTODOS: foram avaliadas 43 voluntárias no Serviço de Atendimento Fonoaudiológico da Universidade Federal de Santa Maria. Ahipermobilidadefoi avaliada pelo Escore de Beighton e, a partir dos escores obtidos, as voluntárias foram distribuídas em dois grupos: com (n=17) e sem hipermobilidade (n=26). A articulação temporomandibular foi examinada pelo instrumento Critérios de Diagnóstico para Pesquisa de Desordens Temporomandibularese as funções de mastigação e deglutição foram avaliadas por meio do exame miofuncional orofacial. RESULTADOS: a avaliação clínica da articulação temporomandibular demonstrou predomínio de ruídos articulares durante movimentos mandibulares (52,9%) e de desvio na abertura da boca (76,5%) nas voluntárias do grupo com hipermobilidade, sem diferença significante entre os grupos. No exame da função mastigatória, apesar da maioria das voluntárias apresentar padrão de mastigação bilateral alternado, a frequência desse foisignificantemente menor no grupo com hipermobilidade (p=0,05). Foi verificada uma associação significante(p=0,02) entre o padrão de mastigação e de abertura da boca, apenas no grupo sem hipermobilidade, e não houve diferença na deglutição entre os grupos. CONCLUSÃO: as mulheres assintomáticas apresentaram indícios de que a hipermobilidade predispõe à ocorrência de desvio na abertura da boca e ruídos articulares. Não houve diferença na função de deglutição, porém verificou-se uma frequência menor de mastigação bilateral alternada no grupo com hipermobilidade em relação ao sem hipermobilidade.

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Chewing side, bite force symmetry, and occlusal contact area of subjects with different facial vertical patterns

Cited by 39 publications

References 21 publications

Socioeconomic Status and Dental Wear --- A correlation

Socioeconomic Status and Dental Wear --- A correlation

The Relation between the Preferred Chewing Side and Occlusal Force Measured by T-Scan III System

Influência da hipermobilidade articular generalizada sobre a articulação teoromandibular, mastigação e deglutição: estudo transversal

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