Dentin Defect
Conditions
Interventions
Test Group:Closure with Mucograft
Control Group:Closure with pedicle palatal connective tissue flap
Sponsors
Shanghai Stomatological Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Adult patients (>18 years old) requiring extraction (for caries, fracture, prosthetic reasons) of upper first molar tooth; 2. The presence of Type B extraction socket (The implant is stabilized but not completely contained by the septal bone, a gap is present between the implant and the inner socket walls) with the intact thick (>1mm) buccal bone (evaluated on the preoperative CBCT); 3. Sufficient residual bone to maintain one implant with at least 4.3 mm in diameter, 10 mm in length; 4. Systemically healthy patients not smoking more than 10 cigarettes/day; 5. Patients with adequate oral hygiene (FMPS < 25%).
Exclusion criteria
Exclusion criteria: 1. Uncontrolled diabetes (HbA1c > 7), osteoporosis or any other systemic or local disease or condition that would compromise postoperative healing; 2. Patients with a history of malignancy, radiotherapy or chemotherapy for treatment of malignancy; 3. Pregnant patient or intending to become pregnant or nursing at the time of study inclusion; 4. Patients taking medications or having treatments with an effect on healing in general (e.g., steroids, large doses of anti-inflammatory drugs, bisphosphonates); 5. Periapical inflammation
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Width of keratinized gingiva;healing status of soft tissue;soft tissue volume change; | — |
Secondary
| Measure | Time frame |
|---|---|
| marginal bone level;operation time;comfort;safaction of esthetics; | — |
Countries
China
Contacts
Public ContactHao Keyi
Shanghai Stomatological Hospital
Outcome results
None listed