Hi Breezy 55,
I too have had a lot of problems with cracking and breaking of teeth over the last 18 or so years of rsd (CRPS II) and a couple of years w/ Arachnoiditis. Mine comes from clenching my teeth unconsciously because of the constant pain my body is in. The only "cure" I know of is to wear a mouth guard. There is a problem with this unfortunately as the ones your dentist can make fit and work very well but are about USD $400. I see you are on SSDI so that may be out of your reach. The other option is the ones they sell in stores or some pharmacies. These are in the ten to twenty dollar range, and don't work or fit as well. You should basically buy two of these if you go this route. You have to heat them to near boiling then quickly shape them to your teeth. This doesn't usually work well the first time, thus buying two of them. Fortunately in my case my injury is a result of an accident at work, so I have workers compensation insurance. As to why they don't just call all of these symptoms rsd... I can only suggest that they arise from different sources. However one of the reasons rsd is now called CRPS is because many of these symptoms arise from little understood reasons that may even overlap in their causes. Which again are still poorly understood. I myself have spent many thousands of dollars on my teeth due to problems such as gritting/grinding, dry mouth from opiate pain relievers, and excessive cavities caused by a pain medication called Actiq which is now known to cause cavities. Anyone still using this drug should know there is a newer version called fentora that does not cause cavities. Good luck to you with your teeth, I sincerely hope this helps a little. Johnericus