*Kazutaka Okada¹, Takae Matsushita¹ (1. Dental Department, Jozankei Hospital, Keijinkai Medical Corporation)

*Masanori Hirobayashi¹, Masayuki Kouda¹ (1. Shunan City Shinnanyo Hospital)

*Masayuki Koda¹, Masanori Hirobayashi¹ (1. ShunanCityShinnanyoHospital)

*Eiji Suzuki¹, Kazuyoshi Hiruta¹, Yuhya Hasegawa², Mai Ebina² (1. Saitama Iwatsuki Hospital, 2. Saitama Memorial Hospital)

*Maki Ikeda¹, Kyouhei Kamata¹, Hirooki Matsui¹ (1. Nihonkai general hospital)

*Nami Fujii^1,2, Akihito Ueda², Kanji Nohara³, Kazuhiro Nakajima⁴, Yumiko Miyauchi⁴, Yutaka Inoue⁴, Takayoshi Sakai³ (1. Division for Oral-Facial Disorders, Osaka University Dental Hospital, 2. Medical Corporation Toujinkai, Fujitate Hospital, 3. Osaka University, Graduate School of Dentistry, 4. Department of Radiology, Minoh City Hospital, Osaka, Japan)

*Aiko Mieno¹, Tae Yamaguchi¹, Nobuko Hashiguchi² (1. University of Nagasaki, 2. Kyusyu University)

*Kenj Awamura¹ (1. College of Nursing Art and Science, University of Hyogo, visiting researcher)

*hayashi junko¹, matumoto tomio¹, takemoto masahiko¹ (1. NHO Yanai Medical Center)

*TOMOYUKI HONDA¹, TOSHIO UEDA², ATSUSHI HASHIMOTO³ (1. Osaka Health Science University, 2. Ueda Dental Clinic, 3. Yamamoto Memorial Hospital)

*hiroe otiai¹, nobuko katahira² (1. International University of Health and Welfare Graduate School CNS, 2. International University of Health and Welfare Graduate School)

*Riho Kobayashi¹, Natsumi Osanai¹ (1. Tsugaru Hoken Medical CO-OP Kensei Hospital)