[1] Departments of Anatomy, School of Dentistry, Aichi-Gakuin University, Kusumoto-cho 1-100, Chikusa-ku, Nagoya,464-8650, Japan
[2] Departments of Pharmacology, School of Dentistry, Aichi-Gakuin University, Kusumoto-cho 1-100, Chikusa-ku, Nagoya,464-8650, Japan
[3] Laboratory Animal Center, Institute for Comprehensive Medical Science, Fujita Health University, Toyoake,470-1192, Japan