 starts with the why and when I went to residency at UNLV we learned a lot about MTA and calcium silicates and at the time we were using prurud MTA and we were finding that Dr. Lemon and Endodontist was using new techniques with these bioceramics that were allowing us to avoid root canal therapy in kids and I got a handful of cases under my belt and as dentist as we all know when we're trying something new we always are a little skeptical something latest and great comes out and it's often times it's a disappointment and you don't want to be the early adopters but this was something that I really bought into and I took on every case that I could and I started seeing these kids come back at the end of my residency program with their recalls and seeing the work and the power of these techniques and materials and I guess that this