Hello there. I am a Canadian citizen who currently resides in Sweden. I had a minor pain on my tooth 5 in the upper left quadrant so I went to see a dentist. After an x ray I was told that there was a very minor cavity under the filling needs to be replaced. The white filing was used for replacement. However I felt some sensitivity afetr this. The area was so sensitive that I could not chew on that side of my mouth. When the pain persisted 7 days after the filling was done I went back to see the dentist. This time I saw another dentist in the practice. I was told after another set of x rays were taken, that my problem lies with tooth number 4 and not tooth number 5. The filling on 4 was replaced. Now a week after that my tooth 5 still hurts and I still cannot chew on that side of my mouth. The pain comes and goes and most of the sensitivity occurs when I eat. There is a slight reaction to cold, but none to hot. Also when the floss passes the area at the top where tooth 4 and 5 touch, that is where most of the sensitivity is located. So the pain originates in the top right side of tooth 5 where it comes into contact with tooth 4. Any information regarding a possible cause would be greatly appreciated as I am far away from home and far away from a dentist I trust. I humbly thank you for your time.