粘着性樹脂セメントおよび前加熱復元複合材料のポリメリゼーション効率と分解指標の比較分析
Dóra Jordáki1, Katalin Böddi2, Zsuzsanna Őri3,4
1Department of Restorative Dentistry and Periodontology, University of Pécs Medical School, Tüzér Street 1, Pécs, 7623, Hungary.
Scientific reports
|February 12, 2026
まとめ
前加熱した樹脂複合材料は,従来のセメントと比較して,モノメールの放出と分解が減少し,セラミック復元のための安定したレッティングオプションとなっています.
科学分野:
- 歯科材料 科学 科学 歯科材料
- バイオマテリアルエンジニアリング
- 復旧歯科は,復旧歯科として,
背景:
- 前加熱した樹脂ベースの複合材料 (RBCs) は,セラミック修復のためのリュッティング剤として調査されています.
- それらのポリメリゼーションと長期的な安定性は,包括的な評価を必要とします.
研究 の 目的:
- 予熱したRBCを従来の軽固化および二重固化樹脂セメントと比較するために.
- 評価には,変換度,モノマーエリューション,水吸収,溶解度が含まれていた.
主な方法:
- リチウム脱シリケートオーバーレイは,事前加熱されたEstelite Σ Quick (EQ_55°C),Variolink Esthetic LC (VE_LC),またはVariolink Esthetic DC (VE_DC) を使用してリュートされました.
- 分析にはマイクロラーマン光譜法,HPLC,ISO 4049規格を使用した.
主要な成果:
- 二重固化セメント (VE_DC) は最高度 (72.1%) を示し,予熱RBC (EQ_55°C) は最低度 (59.9%) を示した.
- モノマーエリューションと水吸収は,予熱された赤血球 (EQ_55°C) について,著しく低下しました.
- 溶解性は,VE_DCで最も高く,VE_LCが次いで,EQ_55°Cで最も低く,すべて時間の経過とともに減少しました.
結論:
- 前加熱した赤血球は,モノメアの放出が減少し,水解性分解が低下することが示されました.
- これは,間接的なセラミック修復のための安定したルティングの代替品としての潜在能力を支持しています.
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