lack of keratinized mucosa around dental implants
Conditions
Interventions
test group:combined application of a xenogeneic collagen matrix and the free gingival graft
Sponsors
The Affiliated Stomatology Hospital of Zhejiang University School of Medicine
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. There is no active periodontal disease or systemic disease and the age is more than 18 years old; 2. After implantation in edentulous area (no more than 3 consecutive implants), the vestibular groove is shallow and the width of keratinized tissue is less than 2mm; 3. The patient has aesthetic or functional needs to increase the keratinized tissue around the implant; 4. The depth of full mouth periodontal probing shall not be greater than 5mm; 5. The whole mouth plaque index (FMPS) and the whole mouth bleeding index (FMBS) are less than 15%; 6. The patient has good compliance.
Exclusion criteria
Exclusion criteria: 1. Smoking; 2. Pregnant or lactating women; 3. Untreated patients with periodontal disease; 4. Patients with systemic diseases (diabetes, heart disease, malignant tumor and other surgical contraindications); 5. Long term medication needs (such as immunosuppressive drugs, phenytoin sodium and other drugs that affect mucosal healing and repair); 6. Patients during/after radiotherapy; 7. Patients allergic to collagen; 8. Patients with a history of gingival surgery in the surgical area.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| width of keratinized mucosa; | — |
Secondary
| Measure | Time frame |
|---|---|
| thickness of keratinized mucosa;gingival index;probing depth;postoperative pain;patient satisfaction;dosage of postoperative analgesic;operation time;esthetic score;depth of recession;width of recession; | — |
Countries
China
Contacts
Public ContactPeihui Ding
The Affiliated Stomatology Hospital of Zhejiang University School of Medicine
Outcome results
None listed