My wife was told she needed to have 5 crowns after a recent exam. The Dental "advisor" (not the dentist) says she needs "crown lengthening" on all five. The "crown lengthening" costs $900 a tooth=$4500 plus $450 each for the crowns (only the crowns are covered by insurance). We agreed not knowing what was involved. I investigated what "crown lengthening" was prior to her visit. After her visit it didn't appear she had any "crown lengthening" surgery performed. They didn't cut her gums and remove any gum or bone tissue to espose more natural tooth in which to place the crown. There were no stiches or antbiotics prescribed afterwards. They took an impression and placed temporary crowns and was told to return on 3/7/06 to receive her permanent crowns. Am I getting ripped off by this dentist charging me $4500 for"crown lengthening" that wasn't performed? Is this some sort of dental scam?