1. Division of Oral Implantology, Department of Oral Rehabilitation, Fukuoka Dental College
2. Fukuoka Dental College Center for Oral Diseases
3. Central Dental Laboratory, Fukuoka Dental College Hospital
4. Division of Biomaterials, Department of Oral Functions, Kyushu Dental University
5. Division of Removable Prosthodontics, Department of Oral Rehabilitation, Fukuoka Dental College