Chronic periodontitis
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. 30 years or older persons who obtained written informed consent. 2. Possessed a minimum of 20 teeth. 3. Follow-up phase patients of chronic periodontitis who had finished active treatment.
Exclusion criteria
Exclusion criteria: 1. Persons who had taken systemic antibiotics or anti-inflammatory drugs within 3 months before experiment. 2. Persons who had severe systemic diseases. 3. Persons who had received scaling and root planing within the previous 3 months. 4. Persons who are judged to be unqualified for this study subjects by investigators.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The number of total bacteria and some periodontopathic bacteria in saliva. | — |
Secondary
| Measure | Time frame |
|---|---|
| The number of total bacteria and some periodontopathic bacteria in subgingival plaque. Serum IgG titer against some periodontopathic bacteria. Clinical attachment loss Probing pocket depth Bleeding on probing | — |
Countries
Japan
Contacts
Niigata University Medical & Dental Hospital