Biomedical Engineering Reference
In-Depth Information
CHAPTER
7
Nanotechnology and Nanoparticles
in Contemporary Dental Adhesives
Mohammad Nassif
a
and Farid El Askary
b
a
Biomaterials Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
b
Operative Dentistry Department, Faculty of Dentistry, Ain Shams University, Cairo, Egypt
CHAPTER OUTLINE
7.1 Introduction ............................................................................................................................... 132
7.2 Brief history of dental adhesives ................................................................................................. 132
7.3 Contemporary adhesive systems.................................................................................................. 133
7.3.1 Etch-and-rinse adhesives ........................................................................................ 135
7.3.2 Self-etching adhesives ............................................................................................ 135
7.3.3 Glass ionomer adhesive........................................................................................... 137
7.4 Chemical compositions of contemporary adhesives ...................................................................... 138
7.4.1 Resin monomers..................................................................................................... 139
7.4.2 Solvents ................................................................................................................ 140
7.4.3 Fillers.................................................................................................................... 140
7.4.3.1 Role of fillers in dental adhesives .................................................................. 140
7.4.3.2 Effect of filler composition and particle size .................................................... 141
7.5 Ketac nanoprimer....................................................................................................................... 145
7.6 Nanoleakage ............................................................................................................................. 147
7.7 Atomic force microscopy in the field of dental adhesion............................................................... 149
7.8 How can nanoscience and nanotechnology improve the outcome of clinical adhesive dentistry? .......151
7.8.1 Use of hydrophobic coating ..................................................................................... 151
7.8.2 Extended polymerization time.................................................................................. 152
7.8.3 Use of MMPs inhibitors........................................................................................... 152
7.8.4 Improved impregnation ........................................................................................... 153
7.8.5 Wet ethanol bonding approach................................................................................. 153
7.8.6 Improving dental collagen network mechanical properties prior to bonding .................. 154
7.8.7 Enhancing biomimetic remineralization .................................................................... 155
7.9 Future prospective of nanotechnology in the field of adhesive dentistry......................................... 155
7.9.1 On-demand antibacterial adhesives .......................................................................... 155
7.9.2 Improving adhesive polymerization through catalytic activity of nanoparticles .............. 155
7.9.3 Antibacterial orthodontic adhesives containing nanosilver .......................................... 156
