None listed
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Adults aged 18 years or older 2) Patients requiring bilateral mandibular premolar extraction for ideal orthodontic alignment. 3) Presence of adjacent teeth on both sides of the extraction sites. 4) Patients who have received basic periodontal treatment such as scaling and root planing prior to extraction. 5) Patients who provided informed consent and signed the study participation agreement.
Exclusion criteria
Exclusion criteria: 1) Pregnancy or lactation 2) Diabetes 3) Smoking =10 cigarettes/day 4) Use of immunosuppressants or drugs causing gingival overgrowth 5) mental illness 6) Allergy to xenogenic bone graft materials or collagen membranes 7) Missing or concurrently extracted adjacent teeth 8) Mobility or periodontal pocket depth >4 mm of adjacent teeth 9) Any other condition deemed inappropriate for participation by the investigator due to ethical or clinical concerns
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Dimensional soft tissue contour changes after tooth extraction | — |
Secondary
| Measure | Time frame |
|---|---|
| Comparative analysis between alveolar ridge preservation and spontaneous healing of extraction sites. | — |
Countries
Korea, Republic of
Contacts
Seoul National University Gwanak Dental Hospital