| 1-SRP "full-mouth" | All teeth in two visits within 24 hours,under local anesthesia |
| 2-Brushing the back of the tongue | For 1 minute, with 1% CHX gel |
| 3-Mouthwash | 2 times, for 1 minute, with 10mL of CHX at 0.2% and gargling the last 10 seconds to reach the tonsils |
| 4-Subgingival irrigation of all pockets | 3 times, for 10 minutes, with 1% CHX gel, after each of the 2 sessions, and repeated at D8, using a 6 and 8mm syringe labeled |
| 5-Mouthwash (at home) | With 10mL of CHX at 0.2%, twice a day for 1 minute, over 2 weeks |
| 6-Oral hygiene instructions | Tooth brushing, interdental cleaning with brushes or other hygiene aid, brushing of the tongue |