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Evaluation of reparative dentin formation of Pro root M

Dental Health: Current Research.ISSN: 2470-0886

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Evaluation of reparative dentin formation of Pro root MTA, Bio-dentine and Bio-Aggregate using micro- CT and immunohistochemistry


Noha abdullah Alenezi

Al-Farabi College for Dentistry and Nursing, Saudi Arabia

: Dent Health Curr Res

Abstract


Objectives: The purpose of this study was to assess the ability of two new calcium silicate–based pulp-capping materials (Biodentine and BioAggregate) to induce healing in a rat pulp injury model and to compare them with mineral trioxide aggregate (MTA). Materials and Methods: Eighteen rats were anesthetized, cavities were prepared and the pulp was capped with either of ProRoot MTA, Biodentine, or BioAggregate. The specimens were scanned using a high-resolution micro-computed tomography (micro-CT) system and were prepared and evaluated histologically and immune-histochemically using dentin sialoprotein (DSP). Results: On micro-CT analysis, the ProRoot MTA and Biodentine groups showed significantly thicker hard tissue formation (p < 0.05). On H&E staining, ProRoot MTA showed complete dentin bridge formation with normal pulpal histology. In the Biodentine and BioAggregate groups, a thick, homogeneous hard tissue barrier was observed. The ProRoot MTA specimens showed strong immunopositive reaction for DSP. Conclusions: Results suggest that calcium silicate-based pulp-capping materials induce favorable effects on reparative processes during vital pulp therapy and that both Biodentine and BioAggregate could be considered as alternatives to ProRoot MTA.

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