[Oral lesions in a group of heroin addicts].

Lesions of the oral mucous membrane are studied in 100 heroin dependent people compared with 100 control, other habits like smoking, alcohol ingesting and sexual oral practices are also taking in consideration. Salival flux and other salival characteristics are also analyzed. The heroin dependent people show significative increase in salival filament but this difference that's not exit of we also analyze in the lesions of lips, tongue, palate and vestibule in relation to controls. Nevertheless in the take into account only smokers and drinkers of both groups the only lesions significantly more frequent are those on the lips.