Periodontal Disease
Conditions
Interventions
Test Group:Preoperative examination of the operative area with parallel projection of apical radiographs, CBCT, the location and depth of the infrabony pockets, consideration of the inclusion of the e
the mold for the localized infrabony pocket was a negative mold that accurately simulated the morphology of the infrabony pocket, and was used for intraoperative preparation of PRF bone powder composi
Sponsors
Periodontal Department, Peking University School of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 65 Years
Inclusion criteria
Inclusion criteria: 1 Patients with stage III or IV periodontitis. 2 Age 18 years or older. 3 1-2 months after complete periodontal initial treatment. 4 At least one single-rooted tooth with intrabony pockets on the adjacent surfaces or proximal middle of the mandibular first molar, with a depth of the pockets of at least 3 mm, and the pockets not exceeding 1/3 of the adjacent surfaces. 5 Good compliance. 6 Good oral hygiene, with a plaque index of less than 30%, and less than 30% of blood sites detected in the whole mouth.
Exclusion criteria
Exclusion criteria: 1 Pregnant or breastfeeding women. 2 Poor general health that precludes periodontal surgery. 3 Affected teeth with intrabony pockets that have mobility degree of III or with endodontic or periapical disease.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Location and depth of the infrabony pockets;Distance from the most radial aspect of the point of contact to the apex of the gingival papilla; | — |
Secondary
| Measure | Time frame |
|---|---|
| Full mouth bleeding scores;Full mouth plaque scores;Probing depth;Clinical attachment level;Mobility; | — |
Countries
China
Contacts
Public ContactLiu Kaining
Peking University School of Stomatology
Outcome results
None listed