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This paper examines organized dentistry's responsibility for informing the public about changing patterns of oral disease. The public is divided into two groups: governments and other organizations that are responsible for allocating funds for dental treatment, education and research, and the general population that is eligible to use dental services. Some governments in industrialized countries apparently believe that with the decline in caries, monies for dentistry can be reduced without affecting the oral health of the population. This assumption can be challenged, since oral disease levels in lower socioeconomic class groups and the elderly continue to be very high. Further, the goals of the dental care system should be raised to eliminate edentulousness. Dentistry needs to make the public aware that adequate care for the poor and elderly and eliminating edentulousness will require increased support for dentistry. At the patient level, regular users of care who are healthy should be informed that more frequent visits and complex services may have little effect on oral health. In contrast, infrequent users of dental care should be made aware that dentistry has the technology to prevent disease and the loss of teeth. One phase in the history of dentistry is coming to an end but another is beginning. In the new era the dental profession can make even greater contributions to the quality of life of individuals and society.

Using data from the Rand Health Insurance Experiment, the effects of cost-sharing plans on the health of the primary teeth in 264 children aged 3 to 5 years were investigated. From six areas in the United States, families were assigned at random to different dental and medical insurance plans. The plans varied in the amount of required cost sharing. Families participated in the study for 3 (70%) or 5 (30%) years. Children covered by the plan (requiring no cost sharing) had significantly fewer decayed teeth and deft (decayed, extracted, and filled teeth) at the end of the study than did children covered by the cost-sharing plans. No differences existed among plans in the number of extracted and restored teeth. Children of middle- and low-income families benefited most from having access to free dental care.