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Ministry ntawm kev: Fluoride yog winning riam phom mus tiv thaiv kev kab noj hniav

Nyob rau ltalis tus neeg tau kev kab noj hniav ntawm cov me nyuam loj hlob tsib xyoo dhau los: Yog hais txog 120 Mila (21,6%) cov me nyuam ntawm 4 xyoo, thiab yuav luag 250 Mila (43,1%) tus hais mav tom 12 leej twg muaj qhov teeb meem no. Hauv daim duab yog tseem ceeb tshaj thaum koj xav tias cov 75% hais txog ntawm yaam kws 4 […]