ResumoIntrodução: a cabeça é um dos fatores determinantes da posição do corpo durante o desenvolvimento da postura humana, caracterizada pelo equilíbrio entre as estruturas de suporte, envolvendo mínimo esforço e sobrecarga com máxima eficiência. As disfunções temporomandibulares (DTM's) são condições multifatoriais e, muitas vezes, estão relacionadas à má postura. A atividade alterada da musculatura mastigatória, comum nas DTM's, interfere nos músculos de contra apoio, levando ao encurtamento dos músculos posteriores cervicais e consequente desequilíbrio postural do crânio. Objetivo: verificar a associação entre flexibilidade da cadeia posterior e severidade das DTM's. Metodologia: trata-se de um estudo observacional, em corte transversal, em uma amostra não probabilística de universitários entre 18 e 50 anos. Após assinatura do TCLE, os voluntários responderam ao Questionário Anamnésico de Fonseca e, em seguida, foram submetidos ao teste de flexibilidade do Banco de Wells, com e sem calço molar, em máxima intercuspidação habitual. Resultados: foram avaliados 57 voluntários com idade média de 21 anos, sendo oito do sexo masculino e 49, do feminino. Verificou-se o predomínio de DTM leve, seguido de DTM moderada, ausência de DTM e DTM severa. Foi verificado, ainda, que a flexibilidade da cadeia posterior aumentou em todos os indivíduos quando realizado teste com o calço molar. A diferença das médias nos testes foi maior no grupo DTM moderada seguida de DMT severa, sem DTM e DTM leve. Conclusão: houve maior prevalência de DTM's do tipo leve, assim como associação entre flexibilidade da cadeia muscular posterior e grau de severidade das DTM's. Já os voluntários com DTM moderada apresentaram maior diferença entre as médias nos testes do que indivíduos com outros graus de severidade. Palavras-chave: Transtornos da Articulação Temporomandibular. Cadeia muscular posterior. Maleabilidade. INTRODUÇÃOA postura correta é determinada pelo menor gasto energético possível da atividade muscular e pelo estresse mínimo gerado em cada articulação. Qualquer posição que aumente o estresse sobre o aparelho locomotor pode ser causa de uma postura inadequada, ocasionando Correspondente/Corresponding: *Achilles Motta Nunes. Rua Alberto Torres, 201-Brotas CEP: 40255-175,
Purpose: to investigate the possible association between the severity of the temporomandibular disorder, cervical pain, and mandibular function impairment. Methods: is a cross-sectional, descriptive study, conducted with 32 individuals with temporomandibular disorder, categorized by degree of severity, according to the Fonseca Index. Using the diagnosis criteria for temporomandibular disorder, the likely etiological factors for the disorder were established, as well as the intensity of the functional disability, resulting from cervical pain and of the mandibular impairment. The data obtained were statistically treated, adopting the significance level of 5%. Results: the mean age was 33.8 years, 90.6% being females. As for the degree of disorder, 56.3% presented severe TMD, followed by 28.1% showing a moderate one. The myogenic etiology was present in 93.7% of the patients. Cervical pain was present in 90.6% of them, of which, 59.4% presented a mild disability, and 25%, a moderate one. Considering the mandibular function, 46.9% of the patients presented a low, 40.6%, a moderate, and 12.5%, a severe impairment. There was a statistically significant association between cervical pain and mandibular function (p = 0.011). However, although there was an increase in cervical disability and in mandibular impairment as the severity of the TMD also increased, these associations were not statistically significant (p = 0.178 and p = 0.102, respectively). Conclusion: it can be stated that there is a higher prevalence of severe TMD and of myogenic origin, and that cervical pain influences, directly, the mandibular function, which is not necessarily related to the severity of the temporomandibular alteration. Likewise, such severity does not present a relationship to mandibular function impairment either.
INTRODUCTION: The temporomandibular disfunction (TMD) has multifactorial origin, being the most relevant: psychosocial factors, pathophysiological and traumatic. The Boxing is considered one traumatic factor for being a contact sport that imposes large expenditure of kinetic energy on sports sign, which could affect the face and, consequently, the TMJ, with 10% of the athletes could suffer a facial injury, representing a possible predisposition to TMD. OBJECTIVES: Estimate the prevalence of signs and symptons for TMD in boxers, check if the use of mouthguard chengs the intensity of signs and symptons of TMD, check the variation difference of the signs and symptons in amateurs and professional boxers. METHODS: cross-sectional study, accomplished in a Box gym, in the city of Salvador, Bahia, Brasil in April/2017. Boxers were evaluated by the Anamnesis Index of Fonseca. The variables were analyzed through the test t-Student and the level of meaningfulness established were from 5%. Followed the standards of the Resolution 466/12, and obteined approval from the Research Ethics Committee of the Universidade Católica do Salvador (CAAE 64281616.8.0000.5628). RESULTS: 51% from the athletes do not have TMD, 43,1% have light TMD, 5,9% have moderate TMD, none participant presented several TMD. Athletes that participate of championships presented more prevalence of simtomatology for TMD than the ones that do not participated (p<0,05). CONCLUSION: There was association between participation in championships and presence of TMD, demonstrating that athletes of competitions gift predisposition to develop disfunction.
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