Types of impairment among dentists.

The most common causes of impairment among dentists are cognitive impairment, physical disability, chemical dependency, other addictions, and mental illness. The most frequently cited cause of impairment for dentists is chemical dependence. From 70% to 90% of the individuals reported to state rehabilitation committees are reported for chemical dependence. This paper reviews the nature of these types of impairments, describes treatment issues in each case, and suggests preventive measures.