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A total of 953 children in schools in communities in the Northwest Territories was surveyed to determine their attitudes and knowledge about dental decay. A questionnaire was answered by these Native and non-Native children in the Northwest Territories. The median age of the children was 12.5 years. The girls tended to brush their teeth more frequently and consumed less sugared sweets between meals. More of the girls and in particular the Native girls knew about "nursing" caries. The Native students more often than not went for dental treatment when it was necessary. The Native students brushed their teeth less frequently and often learned to brush their teeth on their own. The consumption of sugared sweets between meals was greater in the Native sample. The knowledge level of the factors that affect dental decay rates was lower in the Native group, but was not extremely high in either group. These children should receive more information on oral health practices and be given an opportunity to improve their oral health knowledge.

Two different provincial programs for geriatric oral health care are described. Their relevance to the United States requires an understanding of the universal, national hospital (1961), and medical (1971) care programs of Canada and the different sociopolitical philosophy of its people. Ontario's new geriatric preventive dentistry program provides free preventive dental services to elderly residents of collective living centers by province-wide dental public health staff. Although it covers only 7% of Ontario's older population in these centers, initiatives are underway to include other elderly persons and to provide cost subsidization for referred treatment, if required. Since 1973, Alberta has provided, through dentists and denturists in private practice, comprehensive free dental benefits to all residents over 64 years of age. About 38% of eligibles now use the plan annually. Cost escalation per dentist user has been quite modest but less so for denturist users. The future of these two models and the problems associated with them are discussed.