Evaluating the cytotoxicity and efficacy of nanoemulsion containing propolis plus Nigella sativa nanoparticles for pulpotomy of primary teeth: randomised split-mouth clinical trial pilot study. - Osanloo AM; Hamze F; Haghgoo R; Mashhadi-Abbas F; Papi F (European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry, 2025)