The AmericanDentalAssociation (ADA) recommends fluoride supplements for children who live in communities that don't have optimally fluoridated drinking water.
美国牙医协会(ada)建议给不具备最佳饮用含氟水的社区中的儿童补充氟化物。
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Smokers get periodontal disease at two to three times the rate of nonsmokers, "says Sally Cram, DDS, a periodontist in Washington, D."C., and a consumer advisor for the AmericanDentalAssociation.