牙質知覚過敏症のためのカリウム含有歯磨剤 これは使用しても感受性に有意差があっても主観的評価では有意差がない。カリウム含有で知覚過敏を防ぐ主旨の歯磨き粉とは・・主観的評価に有意差がないと意味がないのでは・・染みることを防げたら主観的評価に優位性があるのではhttps://t.co/MN21mhMNpM https://t.co/QsH6TwfSQt
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Not enough evidence to prove that potassium-containing #toothpastes reduce dental #hypersensitivity - #Cochrane http://t.co/2OGwvzY6S1
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