Dr. Sheldon put multiple crowns and a bridge in my mouth. The crowns have failed (one literally broke in half) and the bridge is also not only failing, but it was put over a tooth that still had decay in it. The end result is the decay continued to spread underneath the crown, to the point where the tooth cannot be saved. As mentioned before, the bridge is failing also as the porcelain is chipping away. Two failed crowns and a failed bridge, all about 10 years old. That is absolutely unacceptable. I have other crowns in my mouth that are much older and are perfectly fine. Even worse, when I posted an account of this on Yelp Dr. Sheldon very unprofessionally called me a liar, even though he has my medical records in his office and knows exactly which teeth of mine he worked on (I posted pictures also, so he knows the failed crowns and bridge were his work). If you want a dentist that will perform shoddy work in your mouth, then call you a liar and tell you it's your problem when his crowns fail...hey, Dr. Sheldon is your guy!!!!