1. Department of Orthodontics, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka, 573-1121, Japan
2. Institute of Dental Research, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka, 573-1121, Japan
3. Department of Anesthesiology, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka, 573-1121, Japan
4. Department of Biomaterials, Osaka Dental University, 8-1, Kuzuhahanazonocho, Hirakata, Osaka, 573-1121, Japan