烟、酒等刺激因素的长期作用能引起口腔粘膜白斑,白斑可以发生癌变,故口腔癌与烟、酒等刺激因素有关。可是,在临床上却较少见到“烟酒—白斑—癌”这种模式的典型病例。然而,也有不少口腔白斑患者并不存在烟、酒或其它明显的刺激因素。由烟、酒刺激引起 Long-term effects of smoke, alcohol and other stimulating factors can cause oral leukoplakia, white spots can be cancerous, so oral cancer and tobacco, alcohol and other stimulating factors. However, the typical case of “smoking, alcohol, leukoplakia, and cancer” is rarely seen clinically. However, there are also many patients with oral leukoplakia that do not have smoke, alcohol or other obvious stimuli. Caused by smoke, alcohol stimulation