Do I have to get a crown on my wisdom tooth after root canal? Or is the permanent filling fine?

Sometimes a high spot on a crown can cause the tooth to act up.  When the high spot is removed then the tooth can calm down.  You may also want to see if you are clenching or grinding your teeth which could exacerbate the situation. Clenching is when you grit your teeth together....

The baby tooth should come out pretty easily if it's loose. Usually when there's a crown, a pulpotomy was done and this may lead to the roots coming out separately from the baby tooth. If that's the case, you may need the dentist to remove the roots separately. Sincerely, Dr. Reiser

It is likely that the tooth hasn't fallen out all of the way, and that there is a piece of root in addition to the crown you see. If the tooth is very loose and mobile, just have your child pull it out. Their fingers are smaller and better able to grip the crown area.If you can't, or your child...

Hello Tom Edwards, I'm not sure why you want it bigger? The simple answer is, yes the crown can be larger than what is currently there. However, your bite needs to be in consideration because if it's too big (high), issues will result. Issues can also result if it's too wide. Your gums...

If the bite feels uncomfortable, best if you go back to your dentist and have the crown adjusted.  If the bite is off and you wait too long, this can create more severe issues that will require additional treatment.  

Teeth whitening is very safe if performed correctly.  There is be no damage caused to the teeth with the whitening products.  Just make sure you follow the doctors instructions and everything will be safe.