Emerging Nanotechnologies in Dentistry

Chapter 4. Nanotechnology in Operative Dentistry

A Perspective Approach of History, Mechanical Behavior, and Clinical Application

E.G. Mota¹ and K. Subramani²

¹Pontifical University of Rio Grande do Sul (PUCRS), Porto Alegre, RS, Brazil

²Department 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 ...