[Preservation of maxillary right 1st and 2nd molars and the maxillary left 1st molar with root amputation against a free-end mandibular prosthesis].
D003442:Crowns; D000044:Dental Abutments; D003829:Denture, Partial; D003832:Denture, Partial, Removable; D006801:Humans; D008297:Male; D008875:Middle Aged; D008963:Molar / Q000601:surgery*; D012390:Root Canal Therapy; D014092:Tooth Root / Q000601:surgery*