<Original Article>Vibration analysis of obturator prostheses with different bulb height designs
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概要
- 論文の詳細を見る
The purpose of this study was to investigate the effect on the vibratory characteristics of a cast hollow obturator prosthesis retainer when varying its bulb height. Bulb parts with high (H), middle (M), and low (L) lateral walls were prepared. A Vibration Generator was used to excite the three obturators, while a Laser-Doppler Vibrometer was employed to detect the vibrations at specified measurement points. The frequency response functions of each obturator were recorded on an FFT analyzer to enable their modal shapes to be identified. In addition, transient response simulations were carried out and the decay rate (DR) and the maximum amplitude (MA) of the rest and clasp parts of each obturator were obtained. These were statistically analyzed by ANOVA and Fisher's PLSD test (p < 0.01). The modal shapes were almost the same in all obturators. Significant differences were found in DR in all pairs among the three obturator prostheses, with the DR of the L type being the highest. On the other hand, there were no significant differences in MA. We conclude that the L type is preferable from the standpoint of its vibratory characteristics.
- 東京医科歯科大学の論文
著者
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Kobayashi Makio
Department of Pathology, Tokyo Women’s Medical University
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TAKATO Tsuyoshi
Department of Oral Surgery, University of Tokyo Graduate School of Medicine
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Ozawa Shogo
The First Department Of Prosthodontics Aichi-gakuin University Nagoya Japan
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OZAWA Shogo
Department of Pharmacology, School of Medicine, Keio University
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Ozawa Shogo
National Institute Of Health Sciences
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OHYAMA TAKASHI
Department of Internal Medicine and Gastrointestinal Endoscopy, Saga Medical School
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Taniguchi Hisashi
Department of Maxillofacial Prosthetics, Graduate School, Tokyo Medical and Dental University, Tokyo
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Oki Meiko
Department of Oral-Maxillofacial Surgery, Dentistry, Orthodontics, University of Tokyo Hospital
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Inoue Takaaki
Clinic for Stomatognathic Dysfunction, University Hospital, Faculty of Dentistry, Tokyo Medical and
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Mukohyama Hitoshi
Clinic for Stomatognathic Dysfunction, University Hospital, Faculty of Dentistry, Tokyo Medical and
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Kobayashi Makio
Department Of Pathology Tokyo Women's Medical College
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Ozawa Shogo
Project Team For Pharmacogenetics National Inst. Of Health Sciences
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Oki Meiko
Department Of Oral-maxillofacial Surgery Dentistry Orthodontics University Of Tokyo Hospital
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Ohyama T
Tokyo Medical And Dental University
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Ohyama Takashi
Department Of Biology Faculty Of Science And Engineering Konan University
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Inoue T
Clinic For Stomatognathic Dysfunction University Hospital Faculty Of Dentistry Tokyo Medical And Den
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Okada Shuichi
Hepatobiliary And Pancreatic Oncology Division National Cancer Center Hospital
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Mukohyama H
Department Of Maxillofacial Prosthetics Graduate School Tokyo Medical And Dental University Tokyo Ja
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Tsukamoto Takahisa
Division Of Oncological Pathology Aichi Cancer Center Research Institute
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Taniguchi H
Department Of Maxillofacial Prosthetics Graduate School Tokyo Medical And Dental University
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Taniguchi Hisashi
Department Of Maxillofacial Prosthetics Graduate School
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Takato T
Division Of Oncological Pathology Aichi Cancer Center Research Institute
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Kobayashi M
Department Of Maxillofacial Prosthetics Graduate School Tokyo Medical And Dental University
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Takato Tsuyoshi
Department Of Oral And Maxillofacial Surgery Faculty Of Medicine University Of Tokyo
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Ohyama Takashi
Department Of Biology Faculty Of Education And Integrated Arts And Sciences Major In Integrative Bio
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Kobayashi Makio
Department Of Immunology And Pathology Yamanashi Medical College
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Kobayashi Makio/oki
Department Of Maxillofacial Prosthetics Graduate School Tokyo Medical And Dental University/departme
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OHYAMA Takashi
Department of Applied Physics, Waseda University
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TAKATO Tsuyoshi
Department of Oral and Maxillo-facial Surgery, Faculty of Medicine, The University of Tokyo
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Kobayashi Makio
Department of Agricultural Chemistry, Faculty of Agriculture, Hokkaido University
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Kobayashi Makio
Department of Maxillofacial Prosthetics, Graduate School, Tokyo Medical and Dental University
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Ozawa Shogo
Department of Maxillofacial Prosthetics, Graduate School, Tokyo Medical and Dental University
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