Abutment teeth are a term that is used for teeth that are present or anchored on either side of the teeth that can be attached or removable prosthetic denture or teeth bridges.
Bridges function as a framework and can be made up of metal such as gold or porcelain that is attached to the backs of abutment teeth. In simple words, an abutment is a site in the mouth that is used to anchor a fake tooth.
Thus, the correct answer is option C. abutment teeth.
