Prevalence of temporomandibular disorders and bruxism in Uruguay. Part I

ABSTRACT

Objectives: To determine the prevalence of bruxism and TMD in two populations in Uruguay the capital city, Montevideo, and outside Montevideo. Method: A cross-sectional study was conducted throughout the country with stratified multistage sampling. Results: The variables selected and analyzed in this first paper were degree of mouth opening, muscle pain, TMJ clicking, parafunctional wear facets, headache, history of joint noise, feeling of clenching during sleep and self-perception of stress. The following global prevalence rates were found TMD 55%, with at least one symptom, it being more prevalent in Montevideo (57%) than outside Montevideo (53%); with at least one sign 44%, it also being more prevalent in Montevideo (47%) than outside Montevideo (41%). As for active bruxism, regarding the feeling of clenching during sleep, a prevalence of 30.72% was found in Montevideo and 23.19% outside Montevideo, while being or having been a bruxer in the assessment of the parafunctional wear facets had a prevalence of 71.95% in Montevideo and 62.17% outside Montevideo. Conclusions: With this survey, we found a high prevalence of TMD and bruxism in the Uruguayan population and encourage the development of collective prevention and treatment actions.