乳牙的龋坏可影响恒牙的正常发育,导致发音咀嚼功能的障碍、儿童的营养不良和心理发育异常。因为家长直接与儿童接触,所以在儿童口腔卫生习惯形成和保持过程中发挥关键作用。家长和监护人对儿童的影响很重要,不同的言传身教会对儿童健康产生不同的影响。关于乳牙龋齿的发病率 Carious decay of deciduous teeth can affect the normal development of permanent teeth, resulting in maladjustment of speech mastication, malnutrition and psychological development in children. Because parents are in direct contact with children, they play a key role in the formation and maintenance of oral hygiene habits in children. The impact parents and guardians have on children is important, and different rhetorical churches have different effects on children’s health. On the incidence of deciduous teeth caries