关键词: 龋, 牙结石, 儿童, 口腔卫生

Abstract: Objective To discuss the relationship between oral hygienic habits and dental caries in children for oral health existing problems. Methods A comprehensive oral health inspection for the 242 children in a Xi'an University kindergarten,checked and analyzed the status of teeth replacement,caries,severe caries,calculus,delay teeth replacement,and dental filling for children from 4 to 6 years old.242 children and their parents were interviewed to fill out the questionnaire the results and make were recorded statistical analysis was made finally. Results There were 71 carious,18 severe caries,28 fillings,26 calculus in 242 peoples.The reasons resulting in dental caries were as follows:1)Bacterial factors:the mainly reason was plaque,bacteria was the necessary condition for dental caries;such as no brushing habits;2)Food factors:excessive consumption of snacks,sweet food,while systemic nutritional support was not enough;3)Host factors might be the arrangement of teeth or irregular patterns and rules;children's oral health habits were directly related to the reasons for the incidence of dental caries. Conclusions Severe caries,bad oral health,bad brushing effect,poor self protection awarenesss of dental health are observed in 242 children,health education should be carried out to improve the awareness of baby teeth protection,and developing good oral hygienic habits can effectively prevent the occurrence and development of dental caries,which is good for the health development of children.

Key words: caries, dental calculus, children, oral health