A lot of elementary schools had p.o.h. classes in the 1960's. Mostly those kids would remember the little red disclosing tablet. Stained their tongue and gums bright red for a day or two. They learned where they should clean & where they missed. #GoodT
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How effective are programmes to reduce tooth decay in primary schools? #Cochrane looks at the evidence: https://t.co/dFaBXZ8Qf4
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RT @CochraneOHG: How effective are programmes to reduce tooth decay in primary schools? #Cochrane looks at the evidence: https://t.co/TvpWF…
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RT @CochraneOHG: How effective are programmes to reduce tooth decay in primary schools? #Cochrane looks at the evidence: https://t.co/TvpWF…