Cervical posture analysis in dental students and its correlation with temporomandibular disorder

Câmara-Souza, Mariana Barbosa; Figueredo, Olívia Maria Costa de; Maia, Paulo Raphael Leite; Dantas, Isabelle de Sousa; Barbosa, Gustavo Augusto Seabra

doi:10.1080/08869634.2017.1298226

Cited by 31 publications

(19 citation statements)

References 16 publications

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“…A magnetic resonance imaging study observed that disc displacement was not related to hyoid bone position [ 14 ]. Câmara-Souza et al observed no relationship between TMD and hyoid bone position in 80 dental students [ 19 ]. Ekici and Camci reported that the hyoid bone in patients with TMD was located closer to the cranium [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

Hyoid Bone Position in Patients with and without Temporomandibular Joint Osteoarthrosis: A Cone-Beam Computed Tomography and Cephalometric Analysis

Zhou

Xiong

Yan

et al. 2021

Pain Research and Management

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Objective. To assess the differences in hyoid bone position in patients with and without temporomandibular joint osteoarthrosis (TMJOA). Methods. The present cross-sectional study was conducted in 427 participants whose osseous status was evaluated using cone-beam computed tomography and classified into normal, indeterminate osteoarthrosis (OA), and OA. The hyoid bone position and craniofacial characteristics were evaluated using cephalograms. Patients were divided into the normal group (N = 89), indeterminate OA group (N = 182), and OA group (N = 156). Descriptive statistics, one-way analysis of variance, and age- and sex-based stratified analyses were performed. P < 0.05 was considered statistically significant. Results. The differences in Hy to MP, Hy-RGn, Hy to C3-RGn, C3-RGn, and Go-Hy-Me among the three groups were statistically significant. The differences in the Frankfort-mandibular plane angle, saddle angle, articular angle, gonial angle, ramus height, and posterior facial height were statistically significant. After adjusting age and sex, the Hy-RGn and C3-RGn in the normal group were significantly greater than the OA group. No statistical differences were observed in the hyoid measurements in the stratified analyses in males or subjects less than 18 years old. The differences in Hy to MP, Hy to C3-RGn, and Go-Hy-Me in female patients among the three groups were statistically significant. The differences in Hy to SN, Hy to FH, Hy to PP, Hy to MP, Hy-RGn, Hy-C3, Hy to C3-RGn, Go-Hy-Me, Hy-S, and C3-Hy-S in adults were statistically significant. Conclusion. The differences in the hyoid bone position, mainly relative to the mandible, were statistically significant in patients with or without TMJOA. The difference pattern varied among different age and sex groups. Clinical evaluation of the hyoid position must consider the age and sex of patients. Longitudinal studies are required to clarify the causal relationship between TMJOA and hyoid bone position.

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Section: Discussionmentioning

confidence: 99%

Hyoid Bone Position in Patients with and without Temporomandibular Joint Osteoarthrosis: A Cone-Beam Computed Tomography and Cephalometric Analysis

Zhou

Xiong

Yan

et al. 2021

Pain Research and Management

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“…Diferente dos achados do atual estudo, outros autores relatam não encontrar diferenças na postura craniocervical entre indivíduos com e sem DTM. Sugerem que as alterações posturais estejam mais relacionadas à ocorrência de distúrbios craniocervicais, ou que os aspectos psicossociais podem ter influências sobre os principais sintomas das desordens e do quadro álgico, não sendo possível determinar se os desvios posturais são a causa ou o resultado da desordem (ARMIJO-OLIVO et al, 2011;CÂMARA-SOUZA et al, 2018;MATHEUS et al, 2009;SAI-TO;AKASHI;SACCO, 2009). Comparando as posturas craniocervicais com as classes de oclusão dentaria demonstrados na tabela 3, pôde-se constatar que estes dados estão de acordo com a literatura que afirma ter a posteriorização da cabeça maior prevalência na subclasse IIa (BIASOTTO-GONZALEZ et al, 2008).…”

Section: Discussionunclassified

Associação da postura craniocervical com disfunção temporomandibular e oclusão dentária

Lopes

Martins

Araújo

2020

cmbio

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Não há um consenso na literatura quanto à associação entre postura craniocervical (PCC), disfunção temporomandibular (DTM) e oclusão dentária. Ainda assim, admite-se que a articulação temporomandibular está intimamente envolvida com a biomecânica cervical e cintura escapular. Objetivo: Traçar o perfil das associações entre PCC, DTM e oclusão dentária. Método: Estudo observacional em corte transversal realizado em universitários, de ambos os sexos, com idade entre 18 e 40 anos. Os voluntários foram avaliados pelo RDC/TMD, biofotogrametria, sendo esta realizada através do Software de Avaliação Postural (SAPO) pelos ângulos A1(tragus-horizontal), A2 (tragus-C7-horizontal), A3 (tragus- acrômio-vertical) e distância toraco cervical, além da análise quanto ao tipo de oclusão dentária. O tratamento dos dados foi feito a partir de medidas de tendência central, razão de prevalência e análise de correspondência múltipla assimétrica. Resultados: Foram avaliados 88 voluntários com mediana da idade de 22 anos, sendo 27 do sexo masculino e 62 do feminino. A amostra foi dividida em quatro grupos, de acordo com a presença de DTM, padrão de dor à palpação, cefaléia, PCC e oclusão. As maiores associações observadas foram: DTM tipo II com a distoclusão tipo dois, DTM tipo I com flexão de cabeça e retificação da coluna cervical; mesioclusão com alinhamento da coluna cervical e indivíduos sem dor com anteriorização da cabeça e distoclusão tipo um. Conclusão: Este estudo demonstrou que a DTM não interfere na postura da cabeça, mas que a má oclusão pode alterar a postura craniocervical nos planos sagital e frontal além de aumentar a lordose cervical.

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“…Temporomandibular disorder (TMD) refers to a group of conditions that compromise the harmonious movement and function of the temporomandibular joint (TMJ), masticatory muscles, and associated structures. 1 Chronic TMD commonly occurs as orofacial pain, and is considered a public health problem. 2 It occurs more frequently and severely in women than in men.…”

Section: Introductionmentioning

confidence: 99%

TNF-α levels and presence of SNP-308G/A of TNF-α gene in temporomandibular disorder patients

Campello

Lima

Fernandes

et al. 2022

Dental Press J. Orthod.

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Introduction: Temporomandibular disorder (TMD) refers to a group of conditions that compromise the harmonious movement and function of the temporomandibular joint, masticatory muscles, and associated structures. The etiopathogenesis of TMD is multifactorial but not well-understood, with the role of genetic factors still being unclear. Objective: This review aims to summarize the results of studies that evaluated TNF-α levels and the -308G/A TNF-α polymorphism in TMD patients. This study emphasizes the importance of a more selective treatment involving TNF-α inhibitors that can potentially reduce inflammation and pain, and improve quality of life. Methods: The MEDLINE/PubMed database, Cochrane Library, and Web of Science database were searched for case-control studies published until September 2020 that compared levels of TNF-α or presence of its -308G/A polymorphism in TMD patients and healthy individuals. Results: Six case-control studies were identified with a total of 398 TMD patients, aged between 12 and 78 years. The control group consisted of 149 subjects, aged between 18 and 47 years. The occurrence of TMD was predominant in females. Majority of studies found high TNF-α levels in TMD patients, compared to the control group. One of these studies found a positive correlation between the GA genotype and the development of TMD. Conclusion: Majority of the TMD patients showed elevated TNF-α levels, and a possible explanation for this could be the presence of the -308G/A polymorphism.

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Cervical posture analysis in dental students and its correlation with temporomandibular disorder

Abstract: It can be concluded, therefore, that no relationship exists between cervical posture in the sagittal plane and TMD.

Cited by 31 publications

References 16 publications

Hyoid Bone Position in Patients with and without Temporomandibular Joint Osteoarthrosis: A Cone-Beam Computed Tomography and Cephalometric Analysis

Hyoid Bone Position in Patients with and without Temporomandibular Joint Osteoarthrosis: A Cone-Beam Computed Tomography and Cephalometric Analysis

Associação da postura craniocervical com disfunção temporomandibular e oclusão dentária

TNF-α levels and presence of SNP-308G/A of TNF-α gene in temporomandibular disorder patients

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