However, consumers are still not fully aware of the benefits of cavities due to Crest should bring the number of products sold by P & G is pretty low. Despite initial difficulties, P & G still hold faith in the future of the Crest and officially launched this product on the national market in January 1956. P & G has found a way to convince customers, it is thanks to the American Dental Association (American Dental Association-ADA)-the only authorities can help bring credibility for their products.
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