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Alveolar ridge augmentation by osteoinductive materials in goats
E M Pinholt1, H R Haanaes, M Roervik
1Institute for Surgical Research, Rikshospitalet, University of Oslo, Norway.
Scandinavian Journal of Dental Research
|December 1, 1992
Summary
Researchers investigated alveolar ridge augmentation in goats using demineralized bone implants. The study found no evidence of new bone formation, concluding that osteoinduction did not occur in this model.
Area of Science:
- Biomaterials Science
- Oral and Maxillofacial Surgery
- Regenerative Medicine
Background:
- Alveolar ridge augmentation is crucial for dental implant success.
- Investigating new biomaterials for bone regeneration is an ongoing area of research.
- Goat models are utilized in preclinical studies for bone healing research.
Purpose of the Study:
- To evaluate the osteoinductive potential of allogenic demineralized dentin or bone in goats.
- To determine if subperiosteal implantation can induce alveolar ridge augmentation.
- To assess the host tissue response to the implanted biomaterial.
Main Methods:
- Subperiosteal implantation of allogenic, demineralized, lyophilized dentin or bone.
- Surgical procedures performed on the buccal aspect of the mandible in 12 male goats.
- Light microscopic analysis of tissue samples to evaluate cellular response and bone formation.
Main Results:
- Histological examination showed fibrous encapsulation of the implant material.
- Presence of multinuclear giant cells and minimal inflammatory response observed.
- No evidence of new bone formation or osteoinduction was detected.
Conclusions:
- Demineralized allogenic dentin or bone did not demonstrate osteoinductive properties in the goat mandibular model.
- Subperiosteal implantation in this context did not lead to alveolar ridge augmentation.
- The goat model, under these experimental conditions, did not support osteogenesis with the tested biomaterial.