I have read other reviews of Gentle Deltle and find that they are doing the same to my wife and I. I selected them through my retirement medical options, mostly because they were least expensive. That is important to us because we are living on a very limited income. The first thing they did was to tell me it was necessary to go for a cleaning 3 times a year, rather than 2 normally allowed by the insurance plan. They advised both my wife and I we needed deep cleaning. I found in other complaints, found online, this may or may not be... read full review »