Dental work percipitates severe pain problem.

I frequently hear stories of patients who have severe circumstances that result from relatively non-invasive treatment. An example below is the letter I just received.A temporary crown placed in the middle of January 2010 caused horrible face pain, eye pressure stabbing ear pains, refered tooth pains, migraines on opposite side of normal, facial numbness and neck spasms. Extreme pain for about 7