A "metal crown" is a protective cover made of metal that is placed over a damaged or weak tooth to make it stronger and prevent further damage. Full definition
To remedy this, a cast metal crown is installed to protect and maintain the function of a tooth that has been damaged or saved via a root canal procedure. (vetwichita.com)
So, for that reason, I recommend the stainless steel metal crowns on large dogs, but if you have a small dog that is very mindful, then it may work — «may,» that is.» (tulsapetsmagazine.com)
Stainless steel metal crowns are highly recommended to be placed over the finished tooth in order to further protect the dental restorative work completed. (tulsapetsmagazine.com)