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Updated: Sep 9, 2025

Scanning Electron Microscopic Evaluation of Surface Defects of Remover Retreatment File After Single and Multiple Uses
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カスタム・ストック・コニカル・ヘックス・アブートメントの200万サイクル疲労性能:除去トルクとSEM研究

Furkan Selvi1, Berk Bilgen2, Meltem Özdemir Karataş2

  • 1Istanbul University, Faculty of Dentistry, Institute of Health Sciences, Istanbul, Turkey.

Clinical implant dentistry and related research
|September 5, 2025
PubMed
まとめ

歯科インプラントのストックアブートメントと同様に,カスタムアブートメントは初期トルクが低いにもかかわらず,プレロードを維持します. スクリューを早めに締めることは 安定性の鍵です

キーワード:
コニカルな内部接続カスタムアブートメントサイクル疲労負荷脱却トルク値スキャン電子顕微鏡スクリューの緩解ストックアブートメント

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Fatigue occurs when materials rupture under repeated or fluctuating loads, even at stress levels far below their static breaking strength. It typically results in brittle failure, even for ductile materials. It is a critical consideration in designing machines and structural components subjected to repetitive or varying loads. The nature of these loadings can range from fluctuating loads like unbalanced pump impellers causing vibrations to repeatedly bending a thin steel rod wire back and forth...
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Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
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