Results The gargling after meal,the age beginning to brush,the brush times each day and the fluoride toothpaste influence the occurrence of dental caries.

• 结果 餐后漱口、开始刷牙年龄、每日刷牙次数、用含氟牙膏刷牙均与龋病相关，呈保护性因素。出血指数和软垢指数均与患龋有相关性。