Synthesis and characterization of bioactive calcium niobate particles derived from non-hydrolytic sol-gel for application in dental adhesives. - Campos Ferreira PV; Oliveira LR; Rocha LA; Nassar EJ; Costa Oliveira BE; Gomes FS; Cavaleiro de Macedo RF; Sinhoreti MAC; Oliveira Bauer JR (Dental materials : official publication of the Academy of Dental Materials, 2025)