Emerging Nanotechnologies in Dentistry

Chapter 11. Fabrication of PEG Hydrogel Micropatterns by Soft-Photolithography and PEG Hydrogel as Guided Bone Regeneration Membrane in Dental Implantology

K. Subramani¹ and W. Ahmed²

¹Department of Orthodontics, University of Kentucky, Lexington, KY, USA

²Institute of Nanotechnology and Bioengineering, School of Computing, Engineering and Physical Sciences, University of Central Lancashire, Preston PR1 2HE, UK

Contents

11.1 Introduction 172

11.2 Microfabrication 172

11.2.1 Microfabrication Techniques 173

11.2.1.1 Property Modification 173

11.2.1.2 Microfabrication by Patterning 173

11.2.1.3 Additive Microfabrication 173

11.2.1.4 Subtractive Microfabrication 173

11.3 Lithography 174

11.4 Hydrogel as a Biomaterial 174

11.5 Soft-Photolithography of Hydrogel ...