They include 43 prefectures proper (県, ken), two urban prefectures (府, fu: Osaka and Kyoto), one regional prefecture (道, dō: Hokkaidō) and one metropolis (都, to: Tokyo).

2023年4月3日 · Tohoku University Graduate School of Dentistry appointed Prof. Ken Osaka, Chair of the International Oral Health Science, as Dean on April 1st, 2023. He takes office as a successor to Prof. Nobuhiro Takahashi, who served for three years.

Tohoku University Graduate School of Dentistry Researchers Provide New Data on Periodontal Diseases and Conditions (Free Sugar Intake and Periodontal Diseases: A Systematic Review) Kusama, T., Kiuchi, S., Takeuchi, K. & Osaka, K.

Ken Osaka's 158 research works with 2,345 citations and 7,619 reads, including: Poor oral health and dementia risk under time-varying confounding: A cohort study based on marginal structural models

Number of Teeth and Dementia-free Life Expectancy: A 10-Year Follow-Up Study From the Japan Gerontological Evaluation Study. Differences in cumulative long-term care costs by dental visit pattern among Japanese older adults: the JAGES cohort study. The journals of gerontology. Series A, Biological sciences and medical sciences, Aug 5, 2024.

Ken Osaka Section Graduate School of Dentistry Job title Professor Degree 博士（医学）（東京大学） 修士（保健学）（東京大学） researchmap https://researchmap.jp/narutiken J-GLOBAL ID 200901021175027314 Profile http://www.dent.tohoku.ac.jp/ih/prof/prof.html

2025年1月14日 · Knowledge, Practices and Attitudes towards Silver Diamine Fluoride Therapy among Dentists in Japan: A Mixed Methods Study. International journal of environmental research and public health. 2022. 19. 14.

2025年3月18日 · ケン（VIXX）が『2025 KEN MEET&GREET in Osaka』の開催を発表。 4月26日と27日の2日間、プラスウインホール大阪にて全4公演が行われる。 2012年にVIXXのメインボーカルとしてデビューしたケン。

2025年3月3日 · 县（Ken）：指其他的一般行政区域，如京都府（Kyoto-fu）。 关西地区包括大阪、京都、奈良和神户等城市，其中大阪是一个府，京都、奈良、神户等是府。 对于首次踏足日本的人，不容错过的关西四城深度之旅。 从繁华的大阪到古老的京都，再到奈良和神户，每一座城市都是一场独特的文化冒险。 这篇指南将为你提供全面的行程建议和交通指南，让你的日本之旅留下难忘的回忆。 大阪，位于日本关西地区，是一座充满活力的城市，以其独特的文化和美食而蜚 …

Osaka Prefecture (大阪府, Ōsaka-fu, pronounced [oːsaka ɸɯ]) is a prefecture of Japan located in the Kansai region of Honshu. [2] Osaka Prefecture has a population of 8,778,035 (as of 1 April 2022) and has a geographic area of 1,905 square kilometres (736 sq mi). Osaka Prefecture borders Hyōgo Prefecture to the northwest, Kyoto Prefecture to the north, Nara Prefecture to …