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Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice
07:07

Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice

Published on: January 12, 2017

Pulp repair after pulpotomy using different pulp capping agents: a comparative histologic analysis.

Raimunda Vilmar Evangelista Lima1, Mabel Rodrigues Alves Esmeraldo, Maria Goretti Freire de Carvalho

  • 1Potiguar University, Natal, Rio Grande do Norte, Brazil.

Pediatric Dentistry
|March 17, 2011
PubMed
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Copaifera langsdorffii oil-resin demonstrated superior pulp repair in rat pulpotomy models, showing reduced inflammation, less necrosis, and enhanced mineralized barrier formation compared to other tested materials.

Area of Science:

  • Biomaterials Science
  • Dental Pulp Biology
  • Regenerative Endodontics

Background:

  • Pulpotomy is a vital pulp therapy aiming to preserve pulp vitality.
  • Material selection is crucial for successful pulp healing and regeneration.
  • Evaluating novel biomaterials for pulp capping is essential.

Purpose of the Study:

  • To histologically assess rat dental pulp tissue repair after pulpotomy.
  • To compare the efficacy of Copaifera langsdorffii oil-resin against other materials.
  • To evaluate the formation of reparative dentin and inflammatory response.

Main Methods:

  • Pulpotomies were performed on 84 Wistar rat teeth.
  • Teeth were covered with Copaifera langsdorffii oil-resin, green propolis extract, fibrin sponge, or iodoform paste.

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Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice
07:07

Development of a Direct Pulp-capping Model for the Evaluation of Pulpal Wound Healing and Reparative Dentin Formation in Mice

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Establishment of a Murine Pulp Exposure Model with a Novel Mouth-Gag for Pulpitis Research
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  • Histological evaluations were conducted at 24 hours, 15 days, and 30 days.

    • Main Results:

    • Copaifera langsdorffii oil-resin group showed milder inflammatory response and less necrosis.
    • Periapical microabscesses were observed in the fibrin sponge group.
    • Mineralized tissue barrier formation occurred exclusively in the Copaifera langsdorffii oil-resin group.

    Conclusions:

    • Copaifera langsdorffii oil-resin promotes better pulp healing post-pulpotomy.
    • It significantly reduces inflammatory infiltrate and pulp necrosis.
    • It facilitates the formation of a mineralized reparative barrier.