Mystery external resorption in multiple teeth?

Apr 2, 2024
I went to a dentist for extreme tooth pain/sensitivity in several molars. I get mild, brief pain when any food or drink touches the area between those teeth, and if the food or drink is hot, cold, or extremely sweet, forget it--the pain will almost bring me to tears (though it lasts only a few seconds). This pain/sensitivity started about 6 months ago and only got worse. I'm 24 years old and female. I don't smoke or drink. I floss daily and brush 2x/day for a while now.

The doctor performed the cold test, and I had sharp pain, lasting about 3 seconds. He looked at my X-rays and found that I had signs of external resorption in 3 molars, the ones that were causing significant pain. (Although almost all of my teeth have developed similar sensitivity to lesser degrees. He only took X-rays of the ones I said were hurting the most.) He referred me to an endodontist that I will be seeing in 2 days.

After googling what external resorption means, I'm freaking out. Most sources are saying that in the majority of cases, the teeth will need to be extracted, which is alarming since all of my teeth have developed the same sensitivity/pain but to varying degrees. My dentist couldn't answer why the resorption occurred and said it could be idiopathic. What could be the cause of this? How do I prevent further resorption?

I've never had trauma. I did braces from about 2013-2015 and Smile Direct Club invisible aligners from about 2017-2019. I've been wearing my retainers nightly since completing my last alignment treatment.

As of about a month, I also developed some other symptoms I believe may be related like occasional, mild ear and jaw pain (ears will feel mildly painful pressure, jaw is more of an ache and stiffness. I'll have the urge to open wide and stretch it out) and random, brief numbness or pain in my hands and feet 10-20 times a day. Both the facial pain and bodily numbness occur on both sides of my body, but more on the left, which is also where I experience more dental pain.

Please help, I'm really at a loss.

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