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Question:
Crown Replacement Pain and Sensitivity: I recently replaced two crowns to my front upper teeth.

Both done about 20 years ago and finally one broke of. As you know from then the crowns had the white gold inside which darkened through the years. I decided to have both done with porcelain.

I have had a lot of discomfort due to eating or swallowing liquid. Sensitivity problems and my eye reacts to it. I have gone to this dentist more times that I have ever visited a dentist in my life.

He keeps grinding the back and rubbing wax paper. He has also told me he needed to grind two lower teeth making them angular and visibly showing the center of my real teeth.

He said it takes time for them to set right. I paid $1,200. I believe the mold was made crooked? ...Visitor from CA

Answer:
Here are the possibilities:

The nerve in one or both teeth died due to insult of preparation. There were 20 year old crowns so new preparation could have put nerves of teeth over edge requiring root canal therapy. This sometimes happens and is no fault of the dentist.

New teeth hitting very slightly before rest of teeth. This must be adjusted slightly reducing back of new crowns at points of occlusal contact. Try bringing your back teeth together. If the first teeth to contact are the front teeth (when you bring your very back teeth together, not when you bite with the front teeth) the back of the teeth will have to be reduced some more. Not the lower teeth. If the front teeth do not touch even very slightly when you bite the back teeth together, the answer is probably nerve removal.

Most likely, the teeth are knocking together causing pain from trauma. If biting comfort cannot be achieved, more reduction of the back of the prepared teeth will be necessary and new crowns fabricated.

Most likely more reduction of the back of the new crowns will be adequate to have no contact between the top qnd bottom front teeth when the back teeth close together.

Edward Leventhal, DDS
Baltimore Cosmetic Implant Dentistry
8860 Belair Road
Baltimore, MD 21236
(410) 256-7300

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