Oral Function

[P-123] Effects of the hardness and mass of the chewing gum on the masseter muscle activity and number of chewing times

*Tomonori Niitsuma¹, Naoki Asanuma², Yuko Watarai^1,2, Tatsuhiro Suzuki², Momoka Kawana¹, Kotono Nagata¹, Fumi Mizuhashi^1,2 (1. functional occlusal treatment the nippon dental university graduate school of life dentistry at niigata, 2. department of removable prosthodontics the nippon dental university school of life dentistry at niigata)