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Updated: Jul 5, 2026
04:19
The Establishment of a Murine Mandibular Molar Extraction Socket Healing Model
Published on: January 13, 2023
Modeling and remodeling of human extraction sockets
Leonardo Trombelli1, Roberto Farina, Andrea Marzola
1Research Centre for the Study of Periodontal Diseases, University of Ferrara, Ferrara, Italy. leonardo.trombelli@unife.it
Journal of Clinical Periodontology
|May 24, 2008
Summary
Human extraction socket healing shows significant variability in bone formation timing. While provisional tissue consistently forms early, the mineralization phase is unpredictable over a 6-month period.
Area of Science:
- Oral surgery
- Tissue engineering
- Histology
Background:
- Existing human studies on extraction wound repair have limitations.
- Previous research failed to analyze all tissue compartments in hard tissue defects.
Purpose of the Study:
- To monitor human extraction socket healing over six months.
- To semi-quantitatively analyze tissues and cell populations during modeling/remodeling phases.
Main Methods:
- Collected 27 biopsies representing early (2-4 weeks), intermediate (6-8 weeks), and late (12-24 weeks) healing phases.
- Analyzed tissue and cell populations involved in socket repair.
Main Results:
- Early healing showed abundant granulation tissue, replaced by provisional matrix and woven bone later.
- Vascular structures and macrophages decreased over time.
- Osteoblast presence peaked at 6-8 weeks, with few osteoclasts observed.
Conclusions:
- Significant variability exists in human hard tissue formation within extraction sockets.
- Provisional connective tissue consistently forms within weeks.
- The timing of mineralized bone deposition is highly unpredictable.
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