Recurrent aphthous stomatitis in 18-year-old adolescents - Prevalence and associated factors: A population-based study

Background: 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. objectives: to conduct a population-based study with 18-year-old army recruiters to assess its prevalence and associated factors in male adolescents. methods: interview during clinical examination in the army. results: 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. conclusions: our results showed high prevalence of ras; association with higher economic level and herpes simplex was found. protective effect of smoking was confirmed. © 2017 by anais brasileiros de dermatologia.