Vim tias txhua hnub txhuam hniav tseem muaj 40% qhov muag tsis pom kev tsis tuaj yeem ntxuav, thiab nws yooj yim ua rau cov kab mob loj hlob hauv koj lub qhov ncauj yog tias nws tsis ntxuav hauv qhov chaw, ua rau muaj teeb meem ntawm qhov ncauj xws li tartar, calculus, plaque, rhiab pos hniav, thiab cov pos hniav los ntshav.Nws tuaj yeem pab cov hniav ...
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