“…Chronic alcohol drinking affects oral mucosa (epithelial atrophy or dysplasia with hyperregeneration), salivary glands (fat accumulation, acinar cell swelling, atrophy, diffuse immune infiltration), saliva (reduced: SF rate, sodium, bicarbonate and chlorine concentrations, as well as some of salivary proteins and glycoproteins levels, e.g. amylase) (Riedel et al, 2003;Waszkiewicz et al, 2011bWaszkiewicz et al, , 2013b. Chronic cigarette smoking and tobacco using induce pigmentation and thickening of the oral mucosa epithelium as well as inflammation, swollen secretory cells of the salivary glands and decreased secretion of salivary proteins (including peroxidase, lysozyme, lactoferrin), or increased levels of immunoglobulin A (Winn, 2001;Waszkiewicz et al, 2012bWaszkiewicz et al, ,c,d,e, 2013c.…”