Periodontitis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients aged 18-60 years old (including 18 and 60 years old), regardless of gender. 2. Patients with periodontitis who need "debridement of the inner wall of periodontal pocket" under local anesthesia with laser therapeutic apparatus (at least one tooth has a probing depth of more than 5 mm, and the alveolar bone absorption exceeds 1 / 3 of the root length; no periodontal endodontic lesions or periodontal endodontic lesions have been treated perfectly). 3. Informed consent has been signed by the patients, guardians or witness.
Exclusion criteria
Exclusion criteria: 1. Mental patients and subjects with cognitive impairment and unable to cooperate. 2. Subjects with pregnancy plan during pregnancy, lactation or nearly one month. 3. Patients with coagulation dysfunction and contraindication of surgery. 4. Patients with pacemakers. 5. Patients with severe immune dysfunction and contraindication of surgery. 6. Patients with severe organic lesions and intolerance to surgery. 7. Patients with obvious infection at the operation site. 8. Subjects with laser cutting tissue in contact with implants. 9. Patients with malignant tumor. 10. Subjects whose routine biochemical indexes are not in the normal range and whose abnormality is clinically significant according to the researcher's judgment. 11. Subjects who had taken antibiotics within one month. 12. Subjects who have participated in clinical trials of other medical devices or drugs within 3 months. 13. Subjects considered unsuitable for the clinical trial.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Change in visit depth; | — |
Secondary
| Measure | Time frame |
|---|---|
| Changes of attachment level before and after treatment;Changes of gingival index before and after treatment;Changes of plaque index before and after treatment;Changes of tooth mobility before and after treatment;Disinfection convenience, operation convenience, safety and stability; | — |
Countries
Cnina
Contacts
Wuhan University Stomatological Hospital