title: Experimental and clinical studies on dose reduction effects of spacers in interstitial brachytherapy for carcinoma of the mobile tongue.
abstract: The difference of radiation dose reduction effect with spacers of different materials, a heat-curing denture base resin and a silicon impression material, was examined experimentally and clinically. Radium needles and iridium hairpins were used as radioactive sources. In both studies, it was revealed that a dose reduction effect of silicon impression material was greater than that of denture base resin. Silicon impression material was thought to be a better material for spacers because of its larger radiation dose reduction effect and the time saving to produce the spacer.
authors.affiliation: Department of Oral and Maxillofacial Radiology, Hiroshima University School of Dentistry, Japan.
authors.forename: M
authors.initials: M
authors.lastname: Fujita
authors.forename: M
authors.initials: M
authors.lastname: Tamamoto
authors.forename: Y
authors.initials: Y
authors.lastname: Hirokawa
authors.forename: K
authors.initials: K
authors.lastname: Kashiwado
authors.forename: Y
authors.initials: Y
authors.lastname: Akagi
authors.forename: K
authors.initials: K
authors.lastname: Kashimoto
authors.forename: T
authors.initials: T
authors.lastname: Wada
mesh_terms: D001918:Brachytherapy / Q000295:instrumentation*; D003760:Dental Impression Materials; D006801:Humans; D008768:Methylmethacrylates; D011145:Polyvinyls; D011829:Radiation Dosage; D011835:Radiation Protection / Q000295:instrumentation* / Q000379:methods; D012826:Silicone Elastomers; D012833:Siloxanes; D013819:Thermoluminescent Dosimetry; D014062:Tongue Neoplasms / Q000532:radiotherapy*
chemical_list: D003760:Dental Impression Materials; D008768:Methylmethacrylates; D011145:Polyvinyls; D012826:Silicone Elastomers; D012833:Siloxanes; C034183:vinyl polysiloxane