Prevalence and potential factors associated with probable sleep or awake bruxism and dentin hypersensitivity in undergraduate students
Prevalência e potenciais fatores associados ao provável bruxismo do sono e em vigília e hiperestesia dentinária cervical em universitários
Dantas-Neta, Neusa Barros; Laurentino, Joseany Barbosa; Souza, Carlos Henrique de C. e; Nunes-dos-Santos, Danila Lorena; Mendes, Regina Ferraz; Prado Junior, Raimundo Rosendo
Abstract
Objective: To measure the prevalence of probable sleep or awake bruxism and cervical dentin hypersensitivity of undergraduate students and to determine the symptoms associated with these conditions. Methodology: This was a cross-sectional study. A diagnosis of probable bruxism was reached when students reported clenching or grinding of the teeth during sleep and/or wakefulness, and when they also presented some of the signs and symptoms of bruxism and masseter muscle pain on palpation. Cervical dentinal hypersensitivity was diagnosed by testing for sensitivity to pain in the cervical region of the teeth. Pain was triggered either by touch (using a #5 probe) or by an air jet spray. The sample consisted of 306 university students aged between 19 and 35 years old. The data were stored and analysed using SPSS software, version 15.0 for Windows. Result: The prevalence of probable bruxism was 34.3%, with no predominance regarding sex. Probable awake bruxism was more prevalent (61.9%), mostly occurring when the individual reported being in a state of mental concentration (63.1%). There was no association between probable sleep or awake bruxism and dentin hypersensitivity (p = 0.195). Individuals with probable sleep bruxism had increased odds of having muscular pain in the face upon waking (OR = 14.14, 95% CI 5.06-39.55), and those with probable awake bruxism had a increased odds of having facial muscle fatigue when chewing or talking for a long time (OR = 2.88, 95% CI 1.53-5.43) and muscular pain in the face upon waking (OR = 5.31, 95% CI 1.93-14.62). Conclusion: The prevalence of probable bruxism was 34.3% and that of HDC was 57.8%, with 22.2% of these subjects also showing probable bruxism. Individuals with probable bruxism tended to have a higher odds of facial pain when they awakened and when chewing or talking for long periods. There were no associations between probable sleep and awake bruxism and cervical dentin hypersensitivity.
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Resumo
Objetivo: Mensurar a prevalência de provável bruxismo do sono e em vigília e de hiperestesia dentinária cervical de estudantes universitários e verificar os sintomas a eles associados. Metodologia: Este é um estudo transversal, cujo diagnóstico de provável bruxismo foi realizado pelo relato dos estudantes em ranger e/ou apertar os dentes durante o sono e em vigília combinado com o diagnóstico clínico de desgaste dentário e dor da musculatura do masseter à palpação. O diagnóstico de hipersensibilidade dentinária cervical foi realizado por testes de sensibilidade ao toque com sonda exploradora e a jato de ar da seringa tríplice. A amostra consistiu de 306 universitários entre 19 a 35 anos. Os dados foram armazenados e analisados no programa SPSS v.15.0 for Windows. Resultado: A prevalência de provável bruxismo foi de 34,3%, não havendo predominância entre os gêneros. O provável bruxismo em vigília foi o mais predominante (61,9%), ocorrendo principalmente quando o indivíduo estava em estado de concentração (63,1%). Não houve uma associação entre provável bruxismo do sono e em vigília e hiperestesia dentinária (p=0,195). Os indivíduos com provável bruxismo do sono possuíram maior chance de acordar com dor nos músculos da face (OR=14,14, IC95% 5,06-39,55) e com provável bruxismo em vigília maior chance de cansaço muscular facial ao mastigar ou falar por muito tempo (OR=2,88, IC95% 1,53-5,43) e dor nos músculos da face ao acordar (OR=5,31, IC95% 1,93-14,62). Conclusão: A prevalência de provável bruxismo foi 34,3% e de HDC 57,8%, com 22,2% destes também apresentando provável bruxismo, mas sem associação estatística. Indivíduos com provável bruxismo tendem a ter maior risco de apresentar dores faciais ao acordar e cansaço muscular facial ao falar e mastigar por muito tempo. Não houve associação entre provável bruxismo do sono e em vigília e hipersensibilidade dentinária cervical.
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References
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