MOUTHPIECE, AND PRODUCTION METHOD OF MOUTHPIECE

摘要

PROBLEM TO BE SOLVED: To provide a mouthpiece having a comfortable fitting feeling in an oral cavity, and having an optimum two-layer structure.;SOLUTION: A mouthpiece is constituted of a shape retention part 1 made of a first resin, and formed in a shape along a tooth row, and a covering part 2 made of a second resin having a lower softening temperature than the first resin, having a softening temperature of 40°C or higher and 100°C or lower, and including the shape retention part 1.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2019,JPO&INPIT