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Why are my teeth all of a sudden sensitive to cold and hot?

Why are my teeth sensitive to cold things?

  • I had a filling done in my upper-right back molar. It's the white one. (the bonding one, or whatever you'd call it) I had it done about two months ago. And it, and the tooth in front of it are very sensitive to cold water or if I chew/put pressure on that side. (if I chew gum for example) I brush and floss every day. And use mouthwash. I was wondering what the cause was... Could it be because of the toothpaste I use? (Crest 3D Whitening) Or because of my incoming wisdom teeth? My wisdom teeth are already putting a lot of pressure on my other teeth and cause occasional pain. So it's a possibility. Also, in the very back upper molar on my left side DOES have a cavity. The amalgam was not done properly (AND I've had it for about 3 years). But the cavity is minor. That tooth really isn't and hasn't been sensitive to anything. Any information would be helpful. Oh, and like I said, it's just the two upper teeth in the back that are sensitive. Okay..this is getting long. Thanks for taking the time to read/answer. :)

  • Answer:

    exposed nerves could be why you have pain maybe getting the filling exposed some of the nerve? i have the same thing or you just have sensitive teeth switch t.paste

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I am a dental hygienist. The most likely cause for the sudden sensitivity is the white filling. Patients are often sensitive after these, it is not permanent. Most of the time the sensitivity goes away after about a month, but you said it has been longer. Also, check to see if the toothpaste contains peroxide, if so that would be a contributor to the sensitivity. When it comes to sensitivity fluoride is your friend. Start using a toothpaste labeled sensitive, they have more fluoride in them and additional ingredients to help stop sensitivity. At bedtime, brush the toothpaste on, spit out the excess and let it sit for at least 30 minutes. Once fluoride toothpaste is rinsed off it stops working. Letting it sit will give you added benefit. The wisdom teeth don't generally cause sensitivity when they are coming it so that probably isn't the culprit. Try these suggestions and if you are still sensitive after about a week call the dentist for an exam. Good luck, hope you feel better soon.

its because the enamel is really soft and sensitive

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