| Summary: | For many years the oral infection, especially periodontitis, is considered as a potential contributing factor to a variety of clinically important systemic diseases.
Alopecia areata (AA) is an autoimmune disease with unclear etiology and pathogenesis, rarely associated with dental foci. This disease has a strong psychological impact on the patient, because it presents with hair loss and can affect any hair-bearing area, but usually involves the face and scalp, where esthetic considerations play an important role in self perception.
In this article is presented a case of alopecia areata resulting from dental foci that was effectively resolved by eliminating a focalized dental infection via dental extraction.
In this sense, patients with AA should be subjected to careful exploration of the oral cavity in search of possible dental infections. Close collaboration between dentist, dermatologist, endocrinologist and other medical specialists in the interdisciplinary approach of diagnosis and treatment is needed.
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