[Abutment preparation on a tooth root without much substance].
D000044:Dental Abutments; D003734:Dental Casting Investment; D003761:Dental Impression Technique; D003779:Denture Design; D003834:Denture Precision Attachment; D003781:Denture Retention; D006801:Humans; D011176:Post and Core Technique
D003734:Dental Casting Investment