coping may be made of a dental restoration material chosen from bis acrylic and a bis acrylic composite and is chemically bondable with the temporary restorative tooth application_number US 201313874976 A description reference will now be made to various exemplary embodiments illustrated in the accompanying figures however these various exemplary embodiments are not intended to limit the disclosure to the contrary the disclosure is intended to cover alternatives modifications and equivalents the term u201c improved bond u201d and variants thereof as used herein means an increase in resistance to fracture an increase in resistance to crack propagation when a crack is present and or a decrease in the likelihood of bond failure between the temporary coping and the restorative tooth as compared to conventional mechanical bonds including adhesive bonding agents such as cement between a temporary coping and a restorative tooth an improved bond according to the present disclosure may provide a decrease in the chance of a failure between the temporary coping and the restorative tooth as compared to a conventional mechanical bond as used herein the term u201c chemical bond u201d refers to a chemical bond between the material of a temporary coping and the material of the restorative tooth a chemical bond according to the present teachings refers to a direct bond between the materials forming the chemical bond for example without an adhesive between the two materials and without relying on a mechanical engagement of cooperating structures to form the bond materials that are chemically bonded are fused together by molecular bonds the present disclosure contemplates various exemplary embodiments for a coping such as a temporary coping that provides a bond to a restorative tooth such as a temporary tooth the temporary coping according to various exemplary embodiments of the present disclosure may form.