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  1. 医学部・歯学部附属病院
  2. 医学部・歯学部附属病院・学術誌論文

Effect of metal conditioner on bonding of porcelain to cobalt-chromium alloy

http://hdl.handle.net/10232/00032668
http://hdl.handle.net/10232/00032668
f3cd0f21-3000-4085-9b06-711a2b18e558
名前 / ファイル ライセンス アクション
20057814_8_1-8.pdf 20057814_8_1-8 (1.5 MB)
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Item type 学術雑誌論文 / Journal Article(1)
公開日 2023-06-21
タイトル
タイトル Effect of metal conditioner on bonding of porcelain to cobalt-chromium alloy
著者 MINESAKI, Yoshito

× MINESAKI, Yoshito

WEKO 143406

MINESAKI, Yoshito

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MURAHARA, Sadaaki

× MURAHARA, Sadaaki

WEKO 143407

MURAHARA, Sadaaki

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KAJIHARA, Yutaro

× KAJIHARA, Yutaro

WEKO 143408

KAJIHARA, Yutaro

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TAKENOUCHI, Yoshihisa

× TAKENOUCHI, Yoshihisa

WEKO 143409

TAKENOUCHI, Yoshihisa

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TANAKA, Takuo

× TANAKA, Takuo

WEKO 143410

TANAKA, Takuo

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SUZUKI, Shiro

× SUZUKI, Shiro

WEKO 143411

SUZUKI, Shiro

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MINAMI, Hiroyuki

× MINAMI, Hiroyuki

WEKO 143412

MINAMI, Hiroyuki

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言語
言語 eng
キーワード
主題言語 en
主題Scheme Other
主題 Dental porcelain
キーワード
主題言語 en
主題Scheme Other
主題 Chromium alloys
キーワード
主題言語 en
主題Scheme Other
主題 Shear strength
資源タイプ
資源タイプ識別子 http://purl.org/coar/resource_type/c_6501
資源タイプ journal article
要約(Abstract)
内容記述タイプ Other
内容記述 PURPOSE: The purpose of this study was to evaluate the efficacy of two different metal conditioners for non-precious metal alloys for the bonding of porcelain to a cobalt-chromium (Co-Cr) alloy.
MATERIALS AND METHODS: Disk-shaped specimens (2.5×10.0 mm) were cast with Co-Cr alloy and used as adherend materials. The bonding surfaces were polished with a 600-grid silicon carbide paper and airborne-particle abraded using 110 µm alumina particles. Bonding specimens were fabricated by applying and firing either of the metal conditioners on the airborne-particle abraded surface, followed by firing porcelain into 5 mm in diameter and 3 mm in height. Specimens without metal conditioner were also fabricated. Shear bond strength for each group (n=8) were measured and compared (α=.05). Sectional view of bonding interface was observed by SEM. EDS analysis was performed to determine the chemical elements of metal conditioners and to determine the failure modes after shear test.
RESULTS: There were significant differences among three groups, and two metal conditioner-applied groups showed significantly higher values compared to the non-metal conditioner group. The SEM observation of the sectional view at bonding interface revealed loose contact at porcelain-alloy surface for non-metal conditioner group, however, close contact at both alloy-metal conditioner and metal conditioner-porcelain interfaces for both metal conditioner-applied groups. All the specimens showed mixed failures. EDS analysis showed that one metal conditioner was Si-based material, and another was Ti-based material. Si-based metal conditioner showed higher bond strengths compared to the Ti-based metal conditioner, but exhibited more porous failure surface failure.
CONCLUSION: Based on the results of this study, it can be stated that the application of metal conditioner is recommended for the bonding of porcelain to cobalt-chromium alloys.

Yoshito Minesaki, Sadaaki Murahara, Yutaro Kajihara, Yoshihisa Takenouchi, Takuo Tanaka, Shiro Suzuki, and Hiroyuki Minami
Effect of metal conditioner on bonding of porcelain to cobalt-chromium alloy
The Journal of Advanced Prosthodontics 2016;8:1-8
https://doi.org/10.4047/jap.2016.8.1.1
収録雑誌名 The Journal of Advanced Prosthodontics

巻 8, 号 1, p. 1-8, 発行日 2016-02
ISSN
収録物識別子タイプ ISSN
ISSN 20057806
NII書誌ID(雑誌)
収録物識別子タイプ NCID
NC ID AA12586908
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
NDC
主題Scheme NDC
主題 490
公開者・出版者
出版者 The Korean Academy of Prosthodontics
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