Comparative micro-CT assessment of manual and mechanized NiTi files versus stainless steel files: in prototyped primary teeth - Custódio, Isabela do Carmo; Souza, Bianca Katsumata de; Alcalde, Murilo Priori; Cruvinel, Thiago; Sakai, Vivien Thiemy; Lourenço Neto, Natalino (Pesquisa Brasileira em Odontopediatria e Clinica Integrada, 2026)