[1A-1] Health & Safety

[1A-1-07] Examination to feel the effect of imroving sporsperformance
by using a mouthpiece that is optimal for individuals

*satoshi soma¹, masao kasuga¹, takuro takechi², yuichi hasegawa³, hiroaki hukuda⁴, katuyuki tunakawa⁴ (1. sakushin gakuin univesity, 2. Ltd.mirai dental planng comany, 3. hasegawamirai dental, 4. utunomiya city hall)