So, there is no doubt, we are practicing in an era where composite and resin technology continue to play a major role in restorative dentistry. And with that, the adhesive layer and our technique in handling the adhesive complex is critical for our restorations to stand the test of time while we do our best to eliminate post-operative sensitivity. Today we'll be talking to an expert in restorative dentistry. His name is Dr. Rolando Nunez. He is a practicing dentist and has published many articles on restorative dentistry in peer reviewed journals. He is also a consultant for Bisco.