Meth mouth is a dental condition characterized by severe decay and loss of teeth, as well as fracture, enamel erosion, and other oral problems symptomatic of extended use of the drug methamphetamine (meth). The specific cause of the condition is unknown, although drug-induced xerostomia (dry mouth) and bruxism (grinding of the teeth) are thought to be involved. Other frequently cited factors are poor nutrition and lack of dental hygiene, common among long-term users of the drug. The legitimacy of meth mouth as a unique condition has been questioned because of the similar effects of some other drugs on teeth. Advocates of its status as a unique condition cite the pattern and scope of the decay as distinguishing factors.
Treating meth mouth is difficult, and it can be medically dangerous for active methamphetamine users because of the cardiac problems that can result from the interaction of local anesthetic with the drug. To treat patients with the condition, dentists prescribe fluoride to fight tooth decay (dental caries) and drugs that increase saliva for dry mouth. They also educate patients about nutrition and dental hygiene, although methamphetamine users resist making behavioral changes. Meth mouth has become widespread in some areas, and it has strained public health budgets because of the high cost of its treatment. Images of diseased mouths are often used in anti-drug campaigns.
Read more about Meth Mouth: Characteristics, Causes, Treatment, Uncertainty, Society and Culture
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