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博士論文
国立国会図書館館内限定公開
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Study on Adhesion of Composite Resin using an in vitro Model of Hypersensitive Dentin
- 国立国会図書館永続的識別子
- info:ndljp/pid/12154547
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一般注記:
- Purpose: we prepared an in vitro model of hypersensitive dentin. which had the same intra pulpal pressure as in humans and the wet condition inside de...
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デジタル
- 資料種別
- 博士論文
- 著者・編者
- 服部, 泰直
- 著者標目
- 出版年月日等
- 2015-03-25
- 出版年(W3CDTF)
- 2015-03-25
- 並列タイトル等
- 知覚過敏症罹患モデル象牙質への光重合型コンポジットレジンの接着性について
- 授与機関名
- 大阪歯科大学
- 授与年月日
- 2015-03-25
- 授与年月日(W3CDTF)
- 2015-03-25
- 報告番号
- 乙第1593号
- 学位
- 博士(歯学)
- 博論授与番号
- 乙第1593号
- 本文の言語コード
- eng
- 対象利用者
- 一般
- 一般注記
- Purpose: we prepared an in vitro model of hypersensitive dentin. which had the same intra pulpal pressure as in humans and the wet condition inside dentinal tubules closely resembled the condition in the clinical setting. and performed light-cured composite resin filling on it. We then examined the state of adhesion when the dentin was sealed with a light-cured composite resin for the treatment of dentin hypersensitivity.Methods: Human molar teeth were used for this experiment. For the experiment. pieces of coronal dentin were smoothed to a flat surface and their coronal sides were abraded with wet sandpaper until #600. in order to prepare dentin disks of 1 llllll thickness. 'With dentin disks that would be subjected to pressure of 25 mmHg, the same as human intrapulpal pressure, the in vitro model of hypersensitive dentin was prepared. Then adhesives of four types of one-bottle one-step bonding system (BeautiBond Multi (BB) , G-BOND PLUS (GB), Scotchbond™ Universal Adhesive (SU) and CLEARFILR S3BOND ND Quick (TB) ) were applied.On the other hand, the control group was prepared through the same procedure except that the dentin disks of 1 mm thickness were not put on the apparatus. After the adhesive was applietl, they were preserved in water at 37℃ for 24 hours or 6 months and then subjected to the tensile bond strength test, creating four groups: 24h control group, 24h restored dentin group. 6M control group, and 6M restored dentin group (n = 7).Results: Concerning the specimens after 24-hour preservation, TB in the control group and SU and TB in the restored dentin group showed significantly greater bond strength compared with other products. Concerning the specimens after 6-month preservation, in the control group no significant differences were observed among the products, whereas in the restored dentin group SU showed significantly greater bond strength compared with BB. When the 14h control group, the 14h restored dentin group, the 6M control group, and the 6M restored dentin group were compared with each other in each of the products. no significant differences between the 24h control group and the 6 M control group were observed except in TB.Conclusion: When dentin hypersensitivity is treated with adhesive resins, bonding system including an organophosphate monomer (MDP) are more effective. And the moisture from dentinal tubules may permeate and cause adhesion failure with the passage of time.2014年度
- 国立国会図書館永続的識別子
- info:ndljp/pid/12154547
- コレクション(共通)
- コレクション(障害者向け資料:レベル1)
- コレクション(個別)
- 国立国会図書館デジタルコレクション > デジタル化資料 > 博士論文
- 収集根拠
- 博士論文(自動収集)
- 受理日(W3CDTF)
- 2022-03-06T04:54:00+09:00
- 作成日(W3CDTF)
- 2016-07-13
- 記録形式(IMT)
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否(NDL)
- 可
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション