PROBLEM TO BE SOLVED: To provide a denture base composition that ensures proper fitting of a denture base and maintains high fitting power, and a denture base fitting method using the same.SOLUTION: A denture base composition has (A) at least one selected from polyglutamic acid and salt thereof, and (B) at least one selected from iota carrageenan and kappa carrageena. A denture base fitting method includes applying the denture base composition to a denture base and then fitting the denture base to a fitting site of an object.SELECTED DRAWING: NoneCOPYRIGHT: (C)2020,JPO&INPIT【課題】義歯床の装着性が優れると共に高い装着力が持続する義歯床用組成物及びこれを用いた義歯床の装着方法を提供する。【解決手段】（Ａ）ポリグルタミン酸及びその塩から選ばれる１種以上、及び（Ｂ）イオタ－カラギーナン及びカッパ－カラギーナンから選ばれる１種以上を含有する義歯床用組成物、及び前記義歯床用組成物を義歯床に適用した後、義歯床を装着部位に装着する義歯床の装着方法。【選択図】なし
