Introduction:

Oral lichen planus, recurrent aphthous stomatitis and burning mouth syndrome are oral conditions related to psychological disorders.

Objective:

Describe the presence of oral lichen planus, recurrent aphthous stomatitis and burning mouth syndrome in patients with psychological disorders attending a health institution.

Methods:

A descriptive cross-sectional study was conducted of a population of 35 patients, of whom 26 were selected by criterion nonprobability sampling and referred from the psychology service (based on a psychological diagnosis test) to the dental care service due to the presence of the aforementioned oral lesions. Upon granting their informed consent, the patients were treated and followed up for 16 months. Ethical provisions from Resolution 008430 of 1993, the Helsinki Declaration, were complied with.

Results:

In terms of frequency, the most common oral lesion was recurrent aphthous stomatitis with 65.3%. Major aphthas represented 38.4% and aphthas of a minor type 26.9%; other lesions had a lower frequency. The psychological diagnoses achieved were stress, depression and anxiety to various degrees, and the most common lesion for these psychological disorders was recurrent aphthous stomatitis. No statistical association was found between oral and psychological variables, for they showed values of p >0.005.

Conclusions:

The presence of oral lichen planus, recurrent aphthous stomatitis and burning mouth syndrome was determined in psychological disorders such as stress, anxiety and depression. Of these oral lesions, recurrent aphthous stomatitis was the most common.

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