The resorption-vitamin connection is only a hypothesis about feline tooth resorption. There may be other environmental factors that prove to be the triggers.
The best way to handle a resorbing tooth is to extract it as soon as it’s noticed.”
Source: Tufts Catnip, November 14, 2022. Link.
Also see: Search results for: tooth resorption, AHD. Link. There are three types of tooth resorption in cats and six types in dogs.