dental implants titanium 7 Medicine 6 biomaterials 6 Technology: general issues 5 bone regeneration 5 hydroxyapatite 5 additive manufacturing 4 biofilm 4 biomechanics 4 bone tissue engineering 4 dental implant 4 mechanical properties 4 osseointegration 4 History of engineering & technology 3 biocompatibility 3 bone 3 chitosan 3 implant 3 osteogenesis 3 peri-implantitis 3 stem cells 3 zirconia 3 Escherichia coli 2 Research & information: general 2 adhesion 2 animal model 2 antibacterial 2 antibacterial agents 2 antimicrobial activity 2