for a gold crown is very conservative compared to other crowns.
because gold crowns are very strong even when the gold is thin, your dentist can be very conservative in the amount of tooth that is removed.
sometimes with a porcelain crown, the porcelain must be thick (that means more of your tooth is cut away) to cover a dark or stained tooth. this is not true with gold.
the dentist only has to remove the amount of tooth needed to provide strength and cover the weak areas of your tooth.
gold is gentle to the tooth that it chews against. this means that as you bite with your new gold crown, you are 