• N I Metwally, E A R Mohamed, N A Ahmed, and S A Zaghloul.
• Department of Pedodontics and Oral Dental Health, Al-Azhar University, Cairo, Egypt.
• Niger J Clin Pract. 2023 Jul 1; 26 (7): 856862856-862.

AimsTo histologically assess and compare formocresol (FC), platelet-rich fibrin (PRF), and hesperidin (HPN) as pulpotomy agents in dogs.Materials And MethodsPulpotomy was attempted from the buccal surface (class V) of 48 teeth in three mongrel dogs (Canis Lupus). Cavities were randomly allocated for three groups (n = 16) according to the pulpotomy agent used; (group I: FC (control), group II: PRF, and group III: HPN). All cavities were then sealed with zinc oxide eugenol followed by resin-modified glass ionomer restoration. Two months later, dogs were euthanized; the specimens were obtained and prepared for histological assessment followed by statistical analysis.ResultsHPN specimens showed the best dentin bridge formation and the least inflammatory signs and pulp disorganization. Followed without statistically significant difference by PRF (P ≥ 0.05). Both of HPN and PRF, however, showed a significant difference statistically (P ≤ 0.05) to FC that showed no dentin bridging with more pronounced inflammation, necrosis, and pulp disorganization.ConclusionsFor pulpotomy, HPN and PRF seemed histologically to be good substitutes for FC in the dog model.

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