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Anais Brasileiros de Dermatologia

Print version ISSN 0365-0596On-line version ISSN 1806-4841


SOUZA, Paulo Ricardo Martins de; DUQUIA, Rodrigo Pereira; BREUNIG, Juliano de Avelar  and  ALMEIDA JR, Hiram Larangeira de. Recurrent aphthous stomatitis in 18-year-old adolescents - Prevalence and associated factors: a population-based study. An. Bras. Dermatol. [online]. 2017, vol.92, n.5, pp.626-629. ISSN 1806-4841.


Recurrent aphthous stomatitis is a painful disorder of unknown etiology. It is among the most common oral mucosal lesions with high prevalence among young adults.


To conduct a population-based study with 18-year-old army recruiters to assess its prevalence and associated factors in male adolescents.


Interview during clinical examination in the army.


In this group (2,427 interviewed adolescents) there was a RAS prevalence of 24.9%. Smoking, herpes labialis and socioeconomic status correlated with the outcome.

Study Limitations:

only male adolescents were interviewed.


Our results showed high prevalence of RAS; association with higher economic level and herpes simplex was found. Protective effect of smoking was confirmed.

Keywords : Adolescent; Epidemiology; Stomatitis, Aphthous.

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