lack of keratinized mucosa around dental implants
Conditions
Interventions
Experimental group:apically positioned flap+xenogeneic collagen matrix
control group:apically positioned flap+free gingival graft
Sponsors
Binzhou Medical University Affiliated Yantai Stomatological Hospital
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. age older than 18 years; 2.KMW<2 mm; 3. single quadrant and no more than three consecutive implants; 4.average bleeding on probing (BOP) of adjacent bilateral teeth less than 30%; 5. full-mouth plaque score less than 20%; 6. no previous soft tissue augmentation; 7. full understanding of the nature of the operation and provision of written informed consent; and 8. maintenance of good oral hygiene and participation in all follow-up visits; 9. no other clinical studies within 6 months
Exclusion criteria
Exclusion criteria: 1. heavy smoking (>10 cigarettes per day); 2. general contraindications to oral surgical treatment; 3. previous or concurrent use of drugs affecting mucosal healing (e.g., steroids, high-dose anti-inflammatory drugs); 4. diseases affecting connective tissue metabolism; and ? collagen allergy
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| PROMs;shrinkage rate of KMW; | — |
Secondary
| Measure | Time frame |
|---|---|
| mucosal scarring index;Periodontal measurement index;marginal bone loss of implant; | — |
Countries
China
Contacts
Public ContactWenjuan Zhou
Binzhou Medical University Affiliated Yantai Stomatological Hospital
Outcome results
None listed