Five more foods for healthy teeth

Five more foods for healthy teeth Celery: a tooth cleaner. hzh{display:none;}  芹菜中含有大量的粗纤维,国外科学研究发现,老人在咀嚼芹菜时,通过对牙面的机械性摩擦,擦去黏附在牙齿表面的细菌,从而减少牙菌斑形成.   Director Wang Jian explained: “When you chew celery with …