periodontitis furcation involvement
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: (1) Age 18-70 years old; (2) At least one first, second permanent molar teeth in the mouth, and no damage to the buccal enamel-cemental junction; (3) No periodontal treatment in the past six months; no change in oral hygiene habits and dietary habits within 3 months; (4) No systemic diseases: diabetes, hypertension, osteoporosis, autoimmune diseases, malignant tumors, history of radiotherapy and chemotherapy and other diseases that affect periodontal health.(5)The probing depth of the periodontal pocket of the buccal midpoint of the first/second permanent molars is =4mm, and the bleeding is positive and the grade of cervical enamel projection is II./III.
Exclusion criteria
Exclusion criteria: (1) Absence of total molars or/and replacement of total molars by dental implants; (2) molars do not clearly show the intact neck region, for example due to neck defects or repairs covering the neck; (3) periapical lesions caused by accessory root canals in molars; (4) Have used antibiotics, non-steroidal anti-inflammatory drugs, hormones, and immune-related drugs in large doses in a row within 3 months before the visit; Patients who have been off antibiotics for less than 1 week after taking antibiotics for a short period of time before visiting; (5) Pregnant, lactating or planning to become pregnant; (6) history of orthodontic treatment; (7) Those who cannot undergo oral periodontal health examination due to general health status or other factors; (8) Smoking (1 cigarette/day, more than 1 month in a row).
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Probing pocket depth,PPD; | — |
Secondary
| Measure | Time frame |
|---|---|
| Clinical attachment loss,CAL;Plaque index , PLI;degree of dentin hypersensitivity; | — |
Countries
China
Contacts
The First Affiliated Hospital of Fujian Medical University