title: A modified intraoral prosthesis for directing a radiation beam.
mesh_terms: D000497:Alloys; D001729:Bismuth; D003779:Denture Design; D006801:Humans; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D011835:Radiation Protection / Q000295:instrumentation*; D011878:Radiotherapy / Q000295:instrumentation*; D014001:Tin
chemical_list: D000497:Alloys; D014001:Tin; D001729:Bismuth