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Reparative Dentin Formation Using Stem Cell Therapy versus Calcium Hydroxide in Direct Pulp Capping: An Animal Study
Possy Abdelaz1, Amira ElZoghbi1, Mohamed Shokry2
1Department of Conservative Dentistry, Faculty of Dentistry, Cairo University, Cairo, Egypt.
Brazilian Dental Journal
|December 5, 2019
Summary
Direct pulp capping using dental pulp stem cells (DPSCs) shows promising potential for regenerating healthy dentin. This method may offer superior outcomes compared to traditional calcium hydroxide treatments for maintaining pulp vitality.
Area of Science:
- Biomaterials Science
- Regenerative Dentistry
- Dental Pulp Biology
Background:
- Direct pulp capping aims to preserve pulp vitality after exposure.
- Biocompatible materials are placed over exposed pulp to promote healing.
- Dental pulp stem cells (DPSCs) offer a regenerative approach.
Purpose of the Study:
- To compare dentin formation after direct pulp capping with DPSCs versus calcium hydroxide.
- To evaluate the efficacy of DPSCs in pulp repair and dentinogenesis.
- To assess the histological and elemental differences in reparative dentin.
Main Methods:
- Mongrel dogs served as the experimental model.
- Pulp exposures were treated with either calcium hydroxide or DPSCs.
- Histological, electron microscopic, and EDX elemental analysis were performed after 3 months.
Main Results:
- EDX analysis revealed significant differences in calcium and phosphorus content in reparative dentin between groups.
- Histological examination confirmed these elemental findings.
- DPSCs demonstrated a promising generative potential for dentin regeneration.
Conclusions:
- Direct pulp capping with DPSCs shows significant potential for regenerating normal dentin.
- DPSCs may offer an advanced alternative to calcium hydroxide for pulp capping procedures.
- Further research into DPSC-based therapies is warranted for restorative dentistry.
