Yogurt
酸奶

Researchers from Japan, publishing their findings in the Journal of Periodontology, analyzed dietary intakes from nearly 1,000 adults and found those who consumed the highest levels of dairy — specifically yogurt and yogurt-type drinks — had the healthiest gums. They think the probiotics (a.k.a. "good bacteria") in yogurt might be responsible for protecting gums. A 2005 study also found that yogurt can stop the growth of bad-breath-causing bacteria.
日本的研究者们在《牙周病学杂志》上发表了他们的研究发现，他们分析了近1000名成年人的日常饮食，发现每天摄入酸奶和酸奶饮品最多的人，牙齿最健康。他们认为酸奶中含有的益生菌可能有助于保护牙龈。2005年的一项研究也发现了酸奶可以帮助阻止导致口气的细菌滋生。