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Published on: July 10, 2014
Enamel matrix derivative promotes reparative processes in the dental pulp
Y Nakamura1, L Hammarström, E Lundberg
1Department of Endodontics, School of Dentistry, Showa University, 2-1-1, Kitasenzoku, Ohta-ku, Tokyo 145-8515, Japan.
Advances in Dental Research
|March 19, 2003
Summary
Enamel matrix derivative (EMD) significantly enhances reparative dentin formation in wounded pulp more effectively than calcium hydroxide. This finding suggests EMD
Area of Science:
- Dental Pulp Biology
- Regenerative Dentistry
- Biomaterials Science
Background:
- Amelogenins are implicated in odontoblast differentiation during tooth development.
- Enamel matrix derivative (EMD) is a biomaterial derived from developing enamel.
- The potential of EMD to promote pulpal wound healing requires further investigation.
Purpose of the Study:
- To investigate the effects of enamel matrix derivative (EMD) on the healing response of a pulpal wound.
- To compare the efficacy of EMD with calcium hydroxide in promoting reparative dentin formation.
Main Methods:
- Surgical exposure of coronal pulp in miniature swine premolars.
- Direct pulp capping with either EMD or calcium hydroxide (Dycal).
- Histological and morphometric analysis of hard tissue formation at 2 and 4 weeks post-treatment.
Main Results:
- EMD treatment resulted in significantly greater formation of new dentin-like hard tissue compared to calcium hydroxide.
- The amount of hard tissue formed with EMD was more than double that of the control group (p < 0.001).
- Inflammatory cells were observed in the wound area but not beneath the newly formed hard tissue in EMD-treated teeth.
Conclusions:
- Enamel matrix derivative (EMD) demonstrates a superior ability to promote reparative processes in wounded dental pulp compared to calcium hydroxide.
- EMD effectively stimulates the formation of reparative dentin, aiding in the isolation of the pulp wound.
- These findings highlight EMD's potential as a therapeutic agent for pulp regeneration and healing.
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