Tomoko ASO, Yuko SUZUKA, Tamiyo ASAGA, Youko ISHIDA, Makoto HOSAKA, Chiba College of Health Science, Chiba College of Health Science, Chiba College of Health Science, Chiba College of Health Science, Chiba College of Health Science. A Study of Gingival Color Using Dental Chroma Meter-The Normal Gingival Color-. Bulletin of Chiba College of Health Science. 2001. 19. 2. 1-6
A Study of Morphological Changes on The Root Surface Using Suprasson P-MAX(]J0278[)-Report 3 Polishing Effects on the Root Sruface Using Two Kinds of Perio Soft Tips-. Bulletin of chiba College of Health Science. 2000. 18. 2. 1-7