Zobrazeno 1 - 10
of 51
pro vyhledávání: '"Shigemi Ishikawa-Nagai"'
Autor:
Kaho Ogawa, Yoshiki Ishida, Yukinori Kuwajima, Cliff Lee, Jacob R. Emge, Mitsuru Izumisawa, Kazuro Satoh, Shigemi Ishikawa-Nagai, John D. Da Silva, Chia-Yu Chen
Publikováno v:
Tomography, Vol 8, Iss 2, Pp 550-559 (2022)
This study aimed to assess the accuracy of a method of predicting post-movement root position during orthodontic treatment using a 3D digital crown/root model (3DCRM) created with pre-movement records of both cone-beam computed tomography (CBCT) and
Externí odkaz:
https://doaj.org/article/86db2fd17efb4d899b876d9e56627a0b
Autor:
Yoshiki Ishida, Yukinori Kuwajima, Takuya Kobayashi, Yu Yonezawa, Derek Asack, Manavi Nagai, Hisatomo Kondo, Shigemi Ishikawa-Nagai, John Da Silva, Sang J. Lee
Publikováno v:
International Journal of Dentistry, Vol 2022 (2022)
Objectives. Although digital technology has been widely integrated into dental education, there is limited literature investigating the extent of the integration of computer-aided design and computer-aided manufacturing (CAD-CAM) for removable system
Externí odkaz:
https://doaj.org/article/11987ec39e7a44cf82f0725c400be1b7
Autor:
Shy Chwen Ni, Carlos Thomas, Yu Yonezawa, Yasushi Hojo, Takehiko Nakamura, Kenichiro Kobayashi, Hiroki Sato, John D. Da Silva, Takuya Kobayashi, Shigemi Ishikawa-Nagai
Publikováno v:
Healthcare, Vol 10, Iss 11, p 2173 (2022)
Japan’s universal healthcare insurance is facing economic challenges due to the advanced aging society, however, objective data of dental expenditure has never been introduced. This study aimed to identify the associated factors with dental expendi
Externí odkaz:
https://doaj.org/article/4d39f360affd4a578fa951db723d8ba3
Autor:
Yoshiki Ishida, Yukinori Kuwajima, Kaho Ogawa, Cliff Lee, John Da Silva, Jacob Emge, Shigemi Ishikawa-Nagai
Publikováno v:
Heliyon, Vol 7, Iss 7, Pp e07507- (2021)
Objectives: Magnets have many advantages in orthodontics, and our previous studies confirmed their therapeutic potential through 3D-data analysis. The aim of this study was to compare tooth movements, including rotation, obtained via magnetic and ela
Externí odkaz:
https://doaj.org/article/471ca5f2e458492da586de34860d4dde
Autor:
Toshiki Nojiri, Chia-Yu Chen, David M. Kim, John Da Silva, Cliff Lee, Masahiko Maeno, Arthur A. McClelland, Bryan Tse, Shigemi Ishikawa-Nagai, Wataru Hatakeyama, Hisatomo Kondo, Masazumi Nagai
Publikováno v:
Journal of Nanobiotechnology, Vol 17, Iss 1, Pp 1-12 (2019)
Abstract Natural teeth are supported by connective tissue collagen fibers that insert perpendicularly in the tooth cementum. Perpendicular insertion plays an important role in the maintenance of the junction between the oral epithelium and the period
Externí odkaz:
https://doaj.org/article/af576204f8134900b5c8ddfc41c04a6d
Autor:
Yukinori Kuwajima, Yoshiki Ishida, Cliff Lee, Hisayo Mayama, Kazuro Satoh, Shigemi Ishikawa-Nagai
Publikováno v:
Heliyon, Vol 5, Iss 11, Pp e02861- (2019)
With the introduction of rare earth magnets like neodymium-iron-boron (NdFeB), it has become possible to produce small magnets with high forces, necessary for its usage in the field of dentistry, such as for orthodontic tooth movement. The ultimate g
Externí odkaz:
https://doaj.org/article/e1c4cd070b4f4c33ae6fd43576dba51a
Publikováno v:
Materials, Vol 14, Iss 7, p 1768 (2021)
Selecting shades of acrylic gingival restorative material is challenging. This study examined the shade appropriateness of five acrylic gingival restorative materials. The color was analyzed using an intraoral spectrophotometer (Crystaleye®, Olympus
Externí odkaz:
https://doaj.org/article/36a058891a924425a7e9c8692dd180d4
Effect of Magnet Position on Tipping and Bodily Tooth Movement in Magnetic Force-Driven Orthodontics
Autor:
Yoshiki Ishida, Yukinori Kuwajima, Cliff Lee, Kaho Ogawa, John D. Da Silva, Shigemi Ishikawa-Nagai
Publikováno v:
Materials, Vol 13, Iss 16, p 3588 (2020)
The goal of our study is to launch magnetic force-driven orthodontics. This continuous study investigated the influence of magnet position on tipping and bodily tooth movement, using 3D printing technology and digital analysis. Orthodontic typodont m
Externí odkaz:
https://doaj.org/article/4dc95bc7a87d4d668b397e12e4a1da30
Autor:
Bittner, Nurit, Schulze-Späte, Ulrike, Cleber, Silva, Da Silva, John D., Kim, David M., Tarnow, Dennis, Shigemi Ishikawa-Nagai, Gil, Mindy S., Ishikawa-Nagai, Shigemi, Silva, Cleber
Publikováno v:
International Journal of Prosthodontics; Jan/Feb2020, Vol. 33 Issue 1, p29-38, 10p, 6 Color Photographs, 7 Charts, 1 Graph
Autor:
Jie Sun, Mindy Gil, George T.Y. Chen, Shinichiro Wada, Masazumi Nagai, Shigemi Ishikawa-Nagai, John D. Da Silva, Shahrzad Khorashadi, Yoshiki Ishida, Cliff Lee
Publikováno v:
International Journal of Medical Sciences
NIR fluorescence imaging using bisphosphonate-Indocyanine green has been indicated for early interproximal caries detection. This study assessed diagnostic accuracy of caries detection by NIR fluorescence imaging with OsteoSense 750® (OS750) in vitr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f61d16099bdfd13b518284e3e0934e70
https://doi.org/10.7150/ijms.60013
https://doi.org/10.7150/ijms.60013