Etched metal cingulum rest retainer.
The etched metal cingulum rest retainer provides a viable alternative to the use of an incisal rest or a conventional cast restoration incorporating a cingulum rest. It is not intended for use in every case, but may be useful when indicated.
D000044:Dental Abutments; D003737:Dental Cavity Preparation; D003779:Denture Design; D003832:Denture, Partial, Removable; D006801:Humans