Keiji Kumagai

An Attempt to Provide Comfortable Custom-Made Mouthguards with the Help of Feedback from Rugby Football Student-Players with a Two-Year Mouthguard Experience

Hiroshi Maekawa, Takuya Suzuki, Tadatomo Sato, 2007 .

Shape-based Evaluation of Mouth-formed Mouthguards in Comparison with Custom-made Mouthguards

Hiroshi Maekawa, Keiji Kumagai, Takuzoh Kobayashi, 2008 .