Histological evaluation of pulpal healing following direct pulp capping with polytetrafluoroethylene or melatonin, with or without adjunctive low-level laser therapy in Wistar rat molars - Samah Ahmed Abdelaziz; Latifa Mohamed Abdelgawad; Iman A. Fathy; Sayed eltayab; Ali Mohamed Saafan (Scientific Reports, 2026)