Maxillomandibular integrated device for the head and neck radiation therapy using CT, MRI, and IGRT

2015 Fiscal Year Final Research Report

• Project/Area Number: 25462916
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Pathobiological dentistry/Dental radiology
• Research Institution: Osaka University
• Principal Investigator: KAKIMOTO Naoya 大阪大学, 歯学部附属病院, 講師 (50324794)
• Co-Investigator(Kenkyū-buntansha): SUMIDA Iori 大阪大学, 医学系研究科, 講師 (10425431) ; SHIMAMOTO Hiroaki 大阪大学, 歯学部附属病院, 助教 (30448112)
• Project Period (FY): 2013-04-01 – 2016-03-31
• Keywords: 頭頸部癌 / 放射線治療 / 口腔保定装置 / IMRT / IGRT / CT / MRI / CBCT

Outline of Final Research Achievements

The aims of this study were to develop the maxillomandibular integrated device for the head and neck radiation therapy, which stabilized mandible and did not affect irradiation X-ray, and to search for accuracy.
The X-ray absorptivity of the maxillomandibular integrated devises which made by resin, silicone impression material, or acryl was measured. The X-ray absorptivity is high in order of the devise with silicone impression material, resin, and acryl. About reproducibility and stability, three material devises were good. Then it became clear that the acryl devise did not influence most for the dose distribution of radiation therapy. Therefore, the maxillomandibular integrated devise made by acryl was suitable for head and neck radiation therapy because of the stabilization of mandible and the dose distribution.

Free Research Field

歯科放射線学