Caries, Periodontitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Adults without systemic disease, more than 24 permanent teeth in oral cavity, no gingivitis or periodontitis symptoms, no untreated dental caries, age 25-40 years old.
Exclusion criteria
Exclusion criteria: Smoking history, wearing removable denture or orthodontic appliance, history of antibiotic treatment within three months, pregnancy or lactation, suffering from diseases that change saliva composition or flow rate.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| biovolume, killed bacteria rate in dental biofilms; | — |
Secondary
| Measure | Time frame |
|---|---|
| Composition of biofilm flora;Biofilm surface characteristics, texture; | — |
Countries
China
Contacts
Stomatology Hospital, Zhejiang University School of Medicine