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Replantation of enzymatically treated teeth in monkeys. Part I
Oral Surgery, Oral Medicine, and Oral Pathology
|September 1, 1980
Summary
Replanted avulsed teeth resist resorption for 3 months when root surfaces undergo decalcification and collagen cross-linking. This process preserves cementum, preventing significant root resorption after dental trauma and replantation.
Area of Science:
- Dental Traumatology
- Biomaterials Science
- Regenerative Dentistry
Background:
- Tooth avulsion is a common dental emergency.
- Replanted teeth are susceptible to root resorption.
- Understanding cementum changes is crucial for successful replantation.
Purpose of the Study:
- To investigate the role of chemical alterations in cementum on root resorption after tooth avulsion and replantation.
- To elucidate the mechanisms underlying reduced root resorption.
Main Methods:
- Analysis of chemical changes in the cementum of avulsed teeth post-replantation.
- Evaluation of root surface decalcification and glycoprotein content.
- Assessment of cementum collagen cross-linking.
Main Results:
- Chemical alterations, specifically decalcification, were observed in the cementum.
- Enzymatic removal of glycoproteins and collagen cross-linking were identified.
- These changes correlated with minimal root resorption for up to 3 months.
Conclusions:
- Root surface decalcification and subsequent collagen cross-linking protect avulsed teeth from resorption.
- These biochemical modifications are key factors in preserving cementum integrity post-replantation.
- This protective mechanism offers a window for potential healing or further intervention.