现在的家长越来越重视孩子的口腔卫生，不少家长在孩子２～３岁时，就教他们漱口、刷牙。大部分家长冬季为孩子准备温水（自来水加点热水）漱口，夏季则让孩子直接用自来水甚至河水漱口。的确，良好的习惯要从小培养，但这些家长忽视了非常重要的一点———水的卫生问题。... Now parents pay more attention to children’s oral hygiene, many parents in children 2 to 3 years old, they teach their mouthwash, brush your teeth. Most parents prepare warm water (running water and hot water) for their children in winter and rinse their mouths with running water or even water in summer. Indeed, good habits need to be nurtured at an early age, but these parents overlook the very important point - water hygiene. ...