<s>[INST] Yes my tooth in the back has a hole right in the middle that you can see my gum right through it so now when I eat I get a unberable pain that shoots through my ear and straight to my head like a stabbing pain on my gum...what is it and can my tooth be saved [/INST] Hello, Welcome Thanks for consulting Chat Doctor, I have gone through your query, as you have mentioned that you have hole in tooth and painful gums also, don't worry you can do is for temporary relief you can take painkiller, One tablet Paracetamol twice daily, and then consult dentist and go for investigations IOWA X-ray if it is carious tooth involving deep Portion of tooth then go for Root canal treatment and if tooth has Periodontal problem pocket formation is there then go for Oral prophylaxis Curettage also, Do warm saline gargle 3 - 4 times in day Hope it will help you.  Wishing you good health Regards  </s>