Periodontitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Systemically healthy(risk factors such as smoking/stress included) without taking antibiotics in 3 months or recieving periodontal therapy in 6 months; 2. Aged 18-60 years old; 3. Having symptoms including gingival bleeding, edema, pain, halitosis, tooth mobility or feeing pain in chewing; 4. At lease 20 functional teeth remained. At least 1 molar remains in every quadrant; 5. At least half of remaining teeth with (1) PD >=6mm; (2) alveolar bone resorption more than 30% and (3) bleeding on probing or periodontal pus.
Exclusion criteria
Exclusion criteria: (1) Female in pregnancy; (2) Having taken antibiotics in 3 months; (3) Systemic compromised; (4) Allergy to amoxicillin or metronidazole; (5) Refusing to quit drinking wine during taking antibiotics; (6) Refusing to participate in the trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Probing depth;Clinical attachment loss; | — |
Secondary
| Measure | Time frame |
|---|---|
| Bleeding index;Plaque index;CRP;IL-6;IL-1beta; | — |