I had a filling which involved drilling the tooth, but the drilling did not touch the nerve. According to the x-ray taken at the same time, the nerve is in fact some distance from where the filling was taking place (lower right molar).

Now the local anesthetic has worn off, my tooth is aching. The gums do not hurt (so it is not caused by the dentist applying pressure to the area) and as far as I am aware there are no other nerves within the enamel of the tooth.

So, why does my tooth ache? Is it something to do with the nerve 'waking up' after being anesthetized?

Just to be clear it is not a severe ache or of any concern, only in the background, and I am curious as to the cause. The dentist did say it would ache, so it's obviously a normal thing, but I didn't think to ask why!

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    $\begingroup$ There can still be a pressure exerted on the nerve, the filling exerts a pressure on the tooth which then propagates through the entire tooth. $\endgroup$ – Count Iblis Oct 27 '15 at 19:06
  • $\begingroup$ I didn't think of that - he did really seem to 'pack in' the filling and that could cause pressure inside the tooth. $\endgroup$ – Lyall Oct 27 '15 at 19:26

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