About TERAJIMA HIROYOSHI
About OZAKI TETSUNORI
About KARAKAMA FUMIYUKI
About OIWA TOSHIKO
About NAGANO TAKASHI
About ANDO MASAKO
About IWASAKI MITSUTAKA
About KAJI JUN'YA
About YOSHIDA SHIGERU
About tooth brush
About Medical instruments and apparatuses
About 歯ブラシ
About 毛
About 形態
About 裂溝
About 適合性