%0 Journal Article %A Toledano-Osorio, Manuel %A Aguilera, Fatima S. %A Munoz-Soto, Esther %A Osorio, Estrella %A Toledano, Manuel %A Escames, Germaine %A Medina-Castillo, Antonio L. %A Osorio, Maria T. %A Lopez-Lopez, Modesto T. %A Vallecillo-Rivas, Marta %A Osorio, Raquel %T Melatonin-doped polymeric nanoparticles induce high crystalline apatite formation in root dentin %D 2021 %@ 0109-5641 %U http://hdl.handle.net/10668/18759 %X Objective. To investigate the effect of novel polymeric nanoparticles (NPs) doped with melatonin (ML) on nano-hardness, crystallinity and ultrastructure of the formed hydroxyapatite after endodontic treatment. Methods. Undoped-NPs and ML-doped NPs (ML-NPs) were tested at radicular dentin, after 24 h and 6 m. A control group without NPs was included. Radicular cervical and apical dentin surfaces were studied by nano-hardness measurements, X-ray diffraction and transmission electron microscopy. Mean and standard deviation were analyzed by ANOVA and StudentNewman-Keuls multiple comparisons (p %K Apatite %K Dentin %K Hardness %K Melatonin %K Polymeric nanoparticles %K Remineralization %K Transmission electron microscopy %K X-ray diffraction %K Oxidative stress %K Carious dentin %K Organic matrix %K Hydroxyapatite %K Bone %K Cements %K Remineralization %K Mineralization %K Interface %K Texture %~