Related Experiment Video
Updated: Apr 8, 2026

04:19
The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
Published on: January 13, 2023
6.1K
Ridge Preservation Compared With Spontaneous Healing in Extraction Sockets With Buccal Dehiscence: A Randomized
Cristina Valles1, Pedro Diz-Iglesias1, Lory Abrahamian1
1Department of Periodontology, Universitat Internacional de Catalunya, Barcelona, Spain.
Journal of Periodontal Research
|April 6, 2026
Summary
Alveolar ridge preservation with bone allograft and collagen membrane effectively maintained bone and soft tissue dimensions. This technique reduced the need for further bone grafting, despite increased short-term post-operative discomfort.
Area of Science:
- Dentistry
- Oral Surgery
- Regenerative Medicine
Background:
- Alveolar ridge defects after tooth extraction pose challenges for subsequent dental implant placement.
- Buccal dehiscence defects complicate standard alveolar ridge preservation (ARP) procedures.
Purpose of the Study:
- To evaluate the efficacy of ARP using a bone allograft and collagen membrane in managing buccal dehiscence defects.
- To compare dimensional changes and bone gain with spontaneous healing.
Main Methods:
- ARP with bone allograft and collagen membrane was performed on extraction sockets with buccal dehiscence.
- A control group underwent spontaneous healing.
- Hard and soft tissue dimensions were measured post-operatively.
Main Results:
- The ARP group showed significantly limited hard and soft tissue dimensional changes.
- Buccal bone gain was promoted in the ARP group compared to spontaneous healing.
- The need for additional bone grafting was reduced with the ARP approach.
Conclusions:
- ARP using bone allograft and collagen membrane is effective for preserving alveolar ridge dimensions in defects with buccal dehiscence.
- This method simplifies future restorative procedures by minimizing bone resorption.
- While short-term morbidity was higher, the long-term benefits of reduced grafting needs are significant.
