Investigation of Preferred Viscosity of Irreversible Hydrocolloid on Preliminary Impression for Edentulism
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- MARUO Yukinori
- Department of Occlusal and Oral Functional Rehabilitation, Okayama University Graduate School of Medicine and Dentistry
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- IRIE Masao
- Department of Biomaterials, Okayama University Graduate School of Medicine and Dentistry
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- NISHIGAWA Goro
- Clinical Division of Removable Prosthodontics, Okayama University Hospital of Dentistry
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- OKA Morihiko
- Clinical Division of Removable Prosthodontics, Okayama University Hospital of Dentistry
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- MINAGI Shogo
- Department of Occlusal and Oral Functional Rehabilitation, Okayama University Graduate School of Medicine and Dentistry
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- SUZUKI Kazuomi
- Department of Biomaterials, Okayama University Graduate School of Medicine and Dentistry
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抄録
This study aims to investigate the preferred viscosity of irreversible hydrocolloid used in the preliminary impression for edentulism. Thirteen modalities of irreversible hydrocolloid were prepared by changing the W/P ratio. Discrimination test for the preferred viscosity was performed on 11 prosthodontists (10.4±5.3 years of prosthetic experience). The parameter of discrimination test (P%) was calculated as the ratio of the number of adequate tests to the total number of tests. The P% and apparent viscosity coefficient (ηa) values measured by rheometer demonstrated good correlation (Y=-35.8X2+118.4X-22.8, r=0.86, p<0.01). Prosthodontists could judge the preferred viscosity based on their clinical experiences. On the preliminary impression for edentulism, the preferred viscosity demonstrated in vitro using a polyurethane maxilla model was 1.21×103 Pa⋅s.
収録刊行物
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- Dental Materials Journal
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Dental Materials Journal 23 (3), 395-398, 2004
一般社団法人 日本歯科理工学会
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詳細情報 詳細情報について
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- CRID
- 1390282679692884736
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- NII論文ID
- 110002983569
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- NII書誌ID
- AA10443149
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- COI
- 1:STN:280:DC%2BD2crjvFyisA%3D%3D
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- ISSN
- 18811361
- 02874547
- http://id.crossref.org/issn/02874547
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- PubMed
- 15510871
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- PubMed
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可