microleakage in class ii composite restorations ... - ePrints@USM

2.1.2.3 Light Polymerization Concepts and Units .............................................. 122.1.2.4 Thermocycling ........................................................................................ 132.1.3 Microleakage Test Methods and Dyes ........................................................... 152.1.3.1 Methods of Microleakage Detection ....................................................... 152.1.3.2 Fluorescent Dye ...................................................................................... 162.2 Adhesive System ....................................................................................................... 182.2.1 Introduction and Definition ........................................................................... 182.2.2 Bonding to Enamel ........................................................................................ 202.2.3 Bonding to Dentin .......................................................................................... 212.2.4 Wet versus Dry Bonding ................................................................................ 232.2.5 Bond Strength ................................................................................................ 242.2.6 Adhesive System Classification ..................................................................... 252.2.6.1 Clinical Approach Classification: ........................................................... 262.2.6.1.1 Etch and Rinse Based Adhesive Systems ........................................ 262.2.6.1.2 Self-Etch Based Adhesive Systems: ................................................ 282.2.6.2 Chronologically Based Classification ..................................................... 302.2.6.3 Solvent Based Classification .................................................................. 352.3 Posterior Composite Restorations and Nanotechnology .......................................... 362.3.1 Introduction .................................................................................................... 362.3.2 Composites ..................................................................................................... 372.3.3 Posterior Composites and Nanotechnology ................................................... 382.4 Confocal Laser Scanning Microscope (CLSM)........................................................ 402.4.1 Introduction .................................................................................................... 402.4.2 Fluorescence .................................................................................................. 412.4.3 Fluorescence Microscopy .............................................................................. 42v