Objective:

To describe the clinical-epidemiological profile of individuals with oral lichen planus diagnosed at a Reference Center for Oral Injuries in Northeastern Brazil from 2005 to 2020.

Methods:

This descriptive, retrospective case series study was conducted with secondary data from individuals with clinical and histopathological diagnosis of oral lichen planus. Information about the patients’ socio-demographic profile, systemic and health conditions, lifestyle, and clinical data regarding the injury was collected from medical records. The data were analyzed descriptively, and the Fisher’s exact test was performed.

Results:

Oral lichen planus had been diagnosed in 47 individuals. Their socio-demographic characteristics were as follows: mean age of 49.51 years (± 14.61), 70.20% were women, 76.60% were of black ethnicity, 38.30% had an elementary school level, 51.10% had a partner, and 59.60% did not have a systemic disease. Regarding lifestyle, 44.70% were alcohol-addicted and 27.70% smokers. The lesions’ clinical aspects demonstrated that the reticular form affected 80.90% of the cases and the buccal mucosa was the most involved site (66.00%). There was no statistically significant association between clinical aspects and gender (p=0.34), other than the anatomical location (p=1.0).

Conclusions:

The epidemiological profile of individuals diagnosed with oral lichen planus in the mentioned center consisted mostly of women older than 40 years of black ethnicity, with an elementary school level, who were not smokers or alcohol-addicted. Clinically, the reticular form and the buccal mucosa location were predominant.

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