Schedule 1 [P-83] Differences in hardness of mouth guard material. -Evaluated by texture measurement. - *Yukako Sugiura1, Hiroaki Yamamoto1, Ryo Watanabe1, Kei Sakakibara1, Kotono Adachi1, Koki Kasuya1, Masatoshi Iwahori1, Motonobu Miyao1 (1. Asahi University Department of Prostodontics, Division of Oral Functional Science)