吸烟与肺癌、冠心病以及食道、咽喉、肝脏肿瘤的密切关系已有不少报道,但与口腔疾病的关系尚未引起足够的重视。就主动吸烟者而言,口腔是各种烟草进入体内的门户,它必将对口腔内各种组织产生一系列影响。首先,吸烟可将牙齿熏黑,且该色素可渗透至釉小柱、釉牙本质界及牙本质而极难 Smoking and lung cancer, coronary heart disease and esophageal, pharyngeal, liver cancer has a lot of close relationship has been reported, but the relationship with oral disease has not yet attracted enough attention. In the case of active smokers, the oral cavity is the gateway for all kinds of tobacco to enter the body and it is bound to have a series of effects on various tissues in the oral cavity. First of all, smoking can smother the teeth, and the pigment can penetrate into the enamelled column, enamel dentin and enamel and extremely difficult