I recently underwent a Gentle Wave procedure. Here's the background info. I went to a new dentist for the first time for a regular cleaning and he told me that one of my molars had issues, even though I felt no pain at all. His associate also looked at the x rays and told me in no uncertain terms that the tooth would have to be extracted. He said that this was a no doubt case of necessary extraction and that 10 out of 10 dentists would come to the same conclusion. Not convinced, I decided to see my wife's dentist who recommended an endodontist for a second opinion. Unbeknownst to me, this recommended endodontist used GW for his root canals (as it turns out, I looked it up and there are only two in the entire city who offer GW) and at looking at the x-rays said that he thought GW could help here. He said he would open up the tooth and upon visual examination if he thought that the GW would he fruitless he would stop the procedure and discuss extraction instead. Anyway, he completed the procedure ( about an hour) and now I have a follow up next week. After that if all goes well I will have to go to a regular dentist for a permanent crown. The endodontist said that there a greater than an 80 percent chance that the procedure will be successful. I can tell you that I felt absolutely zero pain after the Novocain wore off and was eating normally before the end of the day. The cost (after insurance) was about $100 more than the quoted cost for the extraction given by the office if the first dentist. I will also have to pay additional for the crown, but then again I won't have to do an implant if I had had an extraction.