Biomedical Engineering Reference
In-Depth Information
CHAPTER
4
Nanotechnology in Operative
Dentistry: A Perspective
Approach of History, Mechanical
Behavior, and Clinical
Application
E.G. Mota,
1
and K. Subramani
2
1
1Pontifical University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil
2
Department of Orthodontics, University of Kentucky, Lexington, KY, USA
CONTENTS
4.1
Introduction....................................................................................................................................50
4.2
Historical Review: Nanotechnology Applications in Operative Dentistry .............................................50
4.3
Biomimetics ...................................................................................................................................50
4.4
Fillers in Composite Resins .............................................................................................................52
4.5
SEM and EDS Evaluation .................................................................................................................53
4.6
Filler Weight Content (wt%) ............................................................................................................54
4.7
Water Sorption ...............................................................................................................................54
4.8
Mechanical Behavior ......................................................................................................................56
4.8.1
Compressive Strength .............................................................................................. 57
4.8.2
Diametral Tensile Strength ....................................................................................... 58
4.8.3
Flexural Strength and Flexural Modulus ..................................................................... 59
4.8.4
Microhardness......................................................................................................... 60
4.8.5
Nanohardness ......................................................................................................... 62
4.8.6
Wear Resistance...................................................................................................... 62
4.9
Clinical Applications.......................................................................................................................66
4.10
Conclusions ...................................................................................................................................68
Acknowledgments....................................................................................................................................68
References ..............................................................................................................................................68
