Erythema multiforme--oral manifestations.

Modern scientific achievements in the etiology, pathogenesis, diagnosis and treatment of the vesiculobullous lesions of the oral mucosa are of basic significance for the students, who study the diagnosis and the treatment of these diseases, as well as for the clinical practitioners in their everyday practice. The presented new information about the drug-induced or herpes-associated erythema multiforme, the more severe forms - the Stevens-Johnson syndrome and the toxic epidermal necrolysis, is necessary for each practising dentist especially in the diagnosis and treatment of medically compromised patients. Modern investigations confirm the susceptibility of these patients to infections due to primary or secondary immune deficiency. The clinical oral manifestations of erythema multiforme and their treatment are presented.