Final answer:
Cementum is a type I dental cement that acts as an adhesive to hold together the indirect restoration and the tooth structure. It is a calcified substance that covers the root surface of the tooth and helps anchor it in place in the jaw bone.
Step-by-step explanation:
A dental cement called cementum is classified as a type I dental cement and acts as an adhesive to hold together the indirect restoration and the tooth structure. Cementum is a calcified substance that covers the root surface of the tooth and helps anchor it in place in the jaw bone. It works in conjunction with the periodontal ligament to provide stability and support to the tooth.