Epidemiology of temporomandibular dysfunction: a literature review

Abstract

Introduction: Temporomandibular disorder (TMD) may be present in the media in 50% of the population in any sign or symptom of the condition. Objective: To review an epidemiology of temporomandibular dysfunction in the literature; With emphasis on the various variables gender, age range and signs and symptoms. Material and method: As databases use Pubmed, Scielo, Bireme and Lilacs. As keywords for a textual search were Epidemiology. Temporomandibular Joint Disorders. Signals and symptons. The inclusion criteria were published in a scientific journal, literature on the last years, epidemiological and clinical studies, systematic review, literature in Portuguese and English. While the exclusion criteria for literature review, letter to the editor, opinion article, literature duplicated in the database, finally literature that does not present as studied variables. Result: The epidemiology of temporomandibular dysfunction is very prevalent in distinct populations, such as the elderly, adolescents and especially in young adults. Conclusion: Just as the most frequent signs and symptoms are muscle pain, joint pain, cracking and emotional tension.