lack of keratinized mucosa around dental implants
Conditions
Interventions
Experimental group:apically repositioned flap + xenogeneic collagen matrix
control group:apically repositioned flap + free gingival graft
Sponsors
The Second Affiliated Hospital of Zhejiang University School of Medicine ; 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. Aged >=18 years and periodontally and systemically healthy; 2. Presence of at least one site with <=2 mm of keratinized tissue; associated with a shallow vestibule in the edentulous region after implant surgery (no more than three consecutive implants); 3. Need of keratinized tissue augmentation for aesthetic purpose and/or functional reasons; 4. Full mouth probing depths <=5mm; 5. Full-mouth plaque score (FMPS) and full-mouth bleeding score (FMBS) <=15%; 6. Be able to comply with all procedures related to the study.
Exclusion criteria
Exclusion criteria: 1. Smoking; 2. Pregnant or lactating women; 3. Untreated periodontal disease; 4. Presence of systemic disorders (diabetes, heart disease, tumor or any other condition that could contraindicate periodontal surgery); 5. Use of medications (immunosuppressants, phenytoin, or anything else that might affect mucosal healing and repair); 6. Under radiotherapy; 7. Allergy to the collagen; 8. Previous mucogingival surgery in the 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