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Tissue changes in immature dog teeth autotransplanted to surgically prepared sockets
1Department of Oral Surgery, Söder Hospital, Stockholm, Sweden.
Oral Surgery, Oral Medicine, and Oral Pathology
|December 1, 1992
Summary
Tooth autotransplantation into surgical sockets shows slow tissue ingrowth and root resorption in dogs. Repair occurred, but odontoblasts were absent, indicating incomplete root development post-transplantation.
Area of Science:
- Dental research
- Regenerative medicine
- Oral surgery
Background:
- Tooth autotransplantation is a surgical procedure.
- Immature teeth have incomplete root formation.
- Understanding tissue integration is crucial for successful transplantation.
Purpose of the Study:
- To investigate tissue reactions following tooth autotransplantation into surgically prepared sockets.
- To evaluate vascularization, tissue ingrowth, and root resorption.
- To compare healing in surgical sockets versus natural sockets.
Main Methods:
- Microangiography
- Enzyme histochemistry
- Histology
- Autotransplantation of immature teeth in dogs
Main Results:
- Vascularized connective tissue observed in the apical pulp within 10 days.
- Tissue ingrowth reached the pulp horn by 90 days.
- External root resorption occurred in all teeth, with repair observed.
- Absence of odontoblasts and slower tissue ingrowth compared to natural sockets.
Conclusions:
- Autotransplantation into surgical sockets leads to slower pulp revascularization and tissue ingrowth.
- Root resorption is a common finding, with repair mechanisms present.
- Further research is needed to optimize outcomes for immature tooth autotransplantation.