Department of Special Needs and Geriatric Dentistry Kyushu Dental University Kitakyushu Japan;
Department of Special Needs and Geriatric Dentistry Kyushu Dental University Kitakyushu Japan;
Department of Special Needs and Geriatric Dentistry Kyushu Dental University Kitakyushu Japan;
Department of Special Needs and Geriatric Dentistry Kyushu Dental University Kitakyushu Japan;
Lingual Papilla; Surface Roughness; Elderly; Color of Tongue Papillae; Atrophy;