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FAQ:  Root Canal Therapy RCT

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Root Canals Ask The Dentist Corinne Scalzitti Question:
Post root canal sensitivity and metallic taste:
I am 48 years old and have had no work on my teeth except for wisdom teeth extraction in my 20's.

A couple of months ago I cracked a molar and the tooth abscessed. I went for a root canal but when the doctor got in there he said the crack went down the root and I should consider extraction.

I was in no shape to decide having been quite ill the prior week with much pain, so he decided for me and did the root canal.

No pain at all after the root canal was done, 2 weeks later I came back and had a white gold crown applied. A few weeks later there was some sensitivity and now I have a constant metallic taste in my mouth. Downward pressure produces no pain, but I can make the tooth 'hurt' with lateral pressure.

What's next for me? ...Visitor from VA

I really don't know why you have a metallic taste.

Perhaps you have a sensitivity to the type of metal in the crown.

As for the sensitivity with lateral pressure after a root canal, I would have the dentist take a comprehensive look at the bite (occlusion) on this tooth to see if it is too high and being constantly traumatized when you chew.

I like to measure the bite when the patient is chewing gum of the other side of her mouth to duplicate normal biting. I fear that the tooth was actually cracked through and through and will end up needing to be extracted.

Cracked teeth are very difficult to diagnose and treat. I will suspect that you are grinding your teeth at night (whether or not you are aware of it), and would recommend a night guard before you crack more teeth.

Corinne Scalzitti, DMD, MAGD

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