I wonder that as well, I have a false front incisor and haven’t noticed any difference in durability, but as far as sensation goes it’s practically identical, if a bit less sensitive to cold. Then again, the part that actually gets replaced doesn’t exactly have nerve endings, I still have those underneath it.
I’ve never dissassociated more than when I heard my sweet grandmother tell me that Hillary was part of an evil cabal of witches who drink the blood of tortured babies for adrenochrome.