Property 181 surface property 127 human 124 Humans 108 Optical properties 101 Mechanical properties 94 Article 93 chemistry 88 Scanning electron microscopy 84 Surface Properties 82 controlled study 76 Tensile strength 65 Fourier transform infrared spectroscopy 59 Physicochemical properties 57 Surface properties 54 procedures 52 Morphology 50 mechanical properties 49 Compressive strength 45 X ray diffraction 42 in vitro study 42 Microstructure 39 scanning electron microscopy 39 MECHANICAL-PROPERTIES 38 Nanocomposites 38 pH 38 Energy gap 37 Hardness 35 Soils 35 nonhuman 35