<s>[INST] Hi, i noticed a cold/heat sensitivity to my right front tooth, days later it passed n i didnt have any sensitivity against cold/heat anymore, only it seemed to have evolved to pain in the right side of my mouth, swollen numb upper lip and i cant even talk or chew because when the jaw shuts n the tooth hits the other smaller tooth, its very painfull. oh btw i seem to feel the nerves on nose a bit also [/INST] Sensitivity is an intial symptom of a decayed tooth , cervical abrasion or due to gingival recession. Get yourself clinically examined, so that an appropriate treatment can be intiated. </s>