Sounds like you have caries/ decayed tooth in back region of your mouth either in lower or upper jaw which may need a treatment i. E. Either a restoration but as sensitivity to cold is there I think you may need a root canal treatment but for that you need to see a nearby dentist and get it restored/filled at earliest before it leads to more problem. Thank you.
You have teeth sensitivity problem.
Here are few steps to avoid sensitivity of teeth: - practice good oral hygiene. - use a sensitivity toothpaste like sensodyne. - don't brush too hard. - use a softer toothbrush. - take care while consuming acidic foods. - use fluoridated dental products. - avoid grinding your teeth. - see your dentist regularly for professional tooth cleaning, dental care recommendations and advice on treating your sensitive teeth.
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