Impacted tooth and periodontal diseases
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. All extracted ILTMs were completely impacted (completely intramuscular) or submucosal (completely submucosal), which were closely related to the position of ASM; 2. According to panoramic radiographs, BII mesial ILTM patients with similar technical difficulty were selected. ASM distal alveolar ridge is 4-5mm from the enamel to alveolar bone junction; 3. ILTM and ASM have no local inflammation or other lesions; 4. ASM is located in the dental arch in a vertical position, and the Angle between the long axis of ASM and the crown of ILTM is 101 degrees ~ 169 degrees; 5. The operation time of ILTM extraction is less than 30min; 6. The wound was closely sutured after ILTM removal; 7. The patient voluntarily participated in clinical examination and subgingival plaque sampling with good compliance and regular follow-up.
Exclusion criteria
Exclusion criteria: 1. Patients with jaw fracture, chronic systemic diseases (diabetes, cardiovascular diseases, etc.), and smoking habits; 2. Pregnant or lactating patients; 3. Patients with chronic periodontal disease; 4. Patients who have taken steroids or non-steroidal anti-inflammatory drugs, probiotics, antibiotics, and bisphosphonates within the last 90 days; 5. Patients with jaw cyst or tumor.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Probing depth;Attachment loss;Subgingival microbial diversity;Subgingival microbial composition; | — |
Secondary
| Measure | Time frame |
|---|---|
| Plaque index;Blooding on probing; | — |
Countries
China