Efficacy of Mineral Trioxide Aggregate and Photobiomodulation on Pulp Capping of Dogs’ Teeth

Latifa Abdelgawad; Islam A.  Shalash; Mohamed  Zaazou; Dalia  El Rouby; Ali Safaan

doi:10.3889/oamjms.2022.9715

Authors

Latifa Abdelgawad Department of Medical Applications of Lasers, National Institute of Laser Enhanced Science, Cairo University, Giza, Egypt
Islam A. Shalash Department of Restorative and Dental Materials, Oral and Dental Research Institute, National Research Centre, Giza, Egypt
Mohamed Zaazou Department of Restorative and Dental Materials, Oral and Dental Research Institute, National Research Centre, Giza, Egypt
Dalia El Rouby Department of Oral Pathology, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt
Ali Safaan Department of Medical Applications of Lasers, National Institute of Laser Enhanced Science, Cairo University, Giza, Egypt

DOI:

https://doi.org/10.3889/oamjms.2022.9715

Keywords:

Photobiomodulation, Dentinal bridge, Direct pulp capping, Mineral trioxide aggregate

Abstract

AIM: The present study assessed the effect of mineral trioxide aggregate (MTA) and photobiomodulation (PBM) on pulp capping of exposed pulp of dogs’ teeth.

METHODS: Forty-eight teeth in three mongrel dogs were randomly divided into two major study groups; Group I where MTA was used as a pulp capping agent and Group II in which both MTA+PBM were used. The groups were equally subdivided according to the observation period following completion of pulp capping into Subgroup (A) 1 week, Subgroup (B) 2, and Subgroup (C) 16 weeks. The teeth were examined for histological inflammatory response as well as dentine bridge formation.

RESULTS: With regard to inflammatory response at 1 week significantly, less intense inflammation was observed in MTA+PBM (Group II) compared to the MTA (Group I) for the same time period with no significant difference for between Group I and Group II for other time intervals. As for dentin bridge formation, PBM+MTA groups showed statistically significant thicker dentine bridge formation at 16 weeks than MTA alone group for the same time period with no significant difference for between Group I and Group II for other time intervals.

CONCLUSIONS: Under the conditions of this study, PBM appeared to be a beneficial adjunct in dental pulp capping procedures in which MTA was the pulp capping material.

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