have had a crown that has had to be replaced multiple times- poor material, which chips, and the silver shows atop the porcelain. each time, she charges me, even though it has been no fault of my own. the last time i had the crown put in, i told her that it was not set correctly, but she didn't believe me, and that night at dinner, when i bit down i my food, the tooth set correctly, but the cement had already dried, and the crown came off. yet another unnecessary trip to the dentist.
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