The caries of primary teeh.
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1.All children entering the trial are at least 3 years old (as of the survey date, 3 years <= age < 4 years). 2.Children who are willing to cooperate with the examination during the study. 3.Children who can continuously participate in the study within a two-year period. 4.Guardians of the children are informed and consent to participate in the study.
Exclusion criteria
Exclusion criteria: 1.Patients with severe systemic diseases. 2.Individuals with allergic constitution or a history of asthma who cannot cooperate with the investigation. 3.Individuals who cannot cooperate with the investigation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| New dental caries average; | — |
Secondary
| Measure | Time frame |
|---|---|
| Dental caries incidence; | — |
Countries
China
Contacts
The Affiliated Stomatological Hospital of GuangXi Medical University