As mentioned above, nerve fibers that carry different types of sensations have different physical characteristics, and for that reason are affected by dental anesthetics differently.

For the most part, pain fibers that feel sharp pain (respond intensely and quickly to a painful stimulus) are the type most easily affected (conked out).

Generally speaking, this is the order of affect that local anesthetics have on nerve fibers: Pain is usually the first to disappear, then followed by the loss of cold sensation, warmth, touch and finally pressure.

Only you and your dentist can sort this out. But as you suggest, if you think that anxiety may be influencing your interpretation of events, some type of conscious sedation technique may provide a solution.

We will point out that your post itself describes the sensation as thermal, not pain. Also, your dentist's pre-extraction testing should have included some type of poking or prodding that should have served as a test for the evaluation of loss of pain sensation.

Best of luck.

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