1. Periodontal Section, Division of Oral Rehabilitation; Faculty of Dental Science; Kyushu University; Fukuoka Japan
2. Section of Operative Dentistry and Endodontology; Department of Odontology; Fukuoka Dental College; Fukuoka Japan
3. Department of Clinical Pharmacology; Graduate School of Medical Sciences; Kyushu University; Fukuoka Japan
4. Laboratory of Molecular and Cellular Biochemistry; Faculty of Dental Science; Kyushu University; Fukuoka Japan