Humans 2 Microscopy, Electron, Scanning 2 Saliva, Artificial dental procedure 2 human 2 saliva substitute 2 scanning electron microscopy 2 Air Abrasion, Dental 1 Bicuspid 1 Bioglass 1 Ceramics 1 Dental Enamel 1 Dental Prosthesis, Implant-Supported 1 Dental Stress Analysis 1 Dental implantation 1 Denture Precision Attachment 1 Denture bases 1 Denture precision attachment 1 Denture, Overlay 1 Fluorides 1 Hardness Tests 1 In Vitro Techniques 1 Magnetic Resonance Spectroscopy 1 Materials Testing 1 Random Allocation 1 Spectrometry, X-Ray Emission 1 Surface Properties 1 Tensile Strength 1 Tensile strength 1 Tomography, Optical Coherence 1