Overview Three Measures for the Prevention of Carious Lesions in Preschool Children Status: Unknown status Trial end date: 2015-06-01 Target enrollment: Participant gender: Summary Analysis different measures preventive effect on carious Lesions incidence and oral microecological system change of preschool children Phase: Phase 3 Details Lead Sponsor: Zhejiang UniversityCollaborator: Hangzhou Occupational Disease Prevention HospitalTreatments: AntibodiesFluoridesFluorides, TopicalImmunoglobulinsImmunoglobulins, Intravenous