A Two-Year Study T In Early Childhood Caries

to evaluate the effectiveness of a caries-risk preventive program using different strategies in children. A total of 322 children (3 years old) from four kindergartens in Beijing were randomly selected and divided into two groups: experimental(n=155) and control (n=167). Oral examinations, the Cariostat test, and a questionnaire survey were conducted. The criteria for diagnosing dental caries were based on ICDAS II, The caries risk assessed was based on the CAT and combined with the results of the Cariostat test and survey. The children in the experimental and control groups were subdivided into high-, medium-, and low-risk level subgroups. The two groups were re-examined 1 and 2 years after the interventions. At baseline, There were no differences in the experimental and control groups. After two years, the new cavitation(dmf3-6s, and dmf4-6s)and the surface caries (dmf3–4s and dmf5–6s) in the high-risk subgroup within the experimental group were lower than those in the control group (p < 0.05). Furthermore, the probability of mild caries (d12) transforming into no caries (d0) at 5 years of age was 60.1% in the experimental group and 46.1% in the control group (p < 0.05). Two years of comprehensive caries management reduced the occurrence of new caries in children with a high risk of caries and inhibited the formation of cavity caries to a certain extent. Effective caries prevention and treatment measures can promote the remineralization of early caries.