Combined periodontal-endodontic lesions
Conditions
Interventions
SIS group :SIS membrane used in apical surgery
Bio-gide group:Bio-gide membrane used in apical surgery
Sponsors
Peking University School and Hospital of Stomatology
Eligibility
Sex/Gender
All
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. Combined apico-marginal lesions 2. Age: from 18 years old to 70 years old 3. Teeth had undergone root canal treatment and primary periodontal treatment 4. Patients without poorly controlled systemic diseases, resulting in American Society of Anesthesiologists class 1-2.
Exclusion criteria
Exclusion criteria: 1. Teeth with sever periapical bone defect and without preservation value 2. Root fracture or root resorption exceeding 1/3 of the root length 3. Chronic periodontitis 4. Patient who had taken bisphosphonates within two years 5. Pregnancy and Preparation.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Gingival blood flow perfusion;Percentage of volume change in bone lesion;clinical attachment loss;gingival marginal position;success rate; | — |
Secondary
| Measure | Time frame |
|---|---|
| probing depth, PD; | — |
Countries
China
Contacts
Public ContactMing-Ming Zhang
Peking University School and Hospital of Stomatology
Outcome results
None listed