Chronic alcoholism, due to its medical and psychiatric complications, is a major problem of public health. The complexity of the biological, morphological and behavioural profile of a patient addicted to alcohol consumption is reflected in numerous acquired diseases in oral and maxillofacial territory. Tooth decay, tooth root remnants, xerostomia, oral candidiasis, soft tissue infections consecutive dental infections, delayed healing wounds with tendency to bleeding, fractures of facial bones prone to complications, oral cancers with a higher incidence than those generally occurring are a few of the issues that can make the chronic alcoholic patients come to oral and maxillofacial surgery services. The treatment peculiarities in patients with chronic ethanol abuse result from complications derived from alcohol dependence, some of these being liver chronic toxicity damage and ethanol withdrawal, which interfere mostly with the treatment decisions in oral and max-illofacial diseases.