Tooth sensitivity caused by heat or cold typically occurs when a tooth’s outer protective layer, the enamel, has worn down. Receding gums that expose a tooth’s root may also be a cause. Share on ...
If you were to crack open a tooth, you’d find that it isn’t solid all the way through. Each of your teeth has a jelly-like core called tooth pulp or dental pulp. Your tooth pulp is protected by the ...
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