Affiliation: | 1. The University of Tokushima, 3-22 Yoshinohon-cho, Tokushima 770-0802, Japan;2. Department of Fixed Prosthodontics, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan;3. Department of Functional Oral Care and Welfare, Institute of Health Biosciences, The University of Tokushima Graduate School, Japan |