龋病是口腔多发病之一,主要是由于细菌利用食物中的糖产生酸,引起牙齿硬组织的脱落,随之造成牙齿的破坏,形成龋洞。如不及时治疗,会发展成残冠、残根或其它继发病,最终不得不拔除牙齿。龋病是一种多因素疾病,其中细菌、宿主、饮食这三种因素互相影响、互相制约,只有这三种因素 Rickets is one of the most common diseases of the oral cavity. It is mainly due to the fact that bacteria use the sugar in the food to produce acid, which causes the hard tissues to fall off, causing damage to the teeth and forming cavities. If it is not treated in time, it will develop into a residual crown, residual root or other secondary disease, and eventually have to remove the tooth. Rickets is a multifactorial disease in which bacteria, the host, and the diet affect each other and restrict each other. Only these three factors