関連する実験動画

Updated: May 5, 2026

Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities
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Guided Endodontics: Three-Dimensional Planning and Template-Aided Preparation of Endodontic Access Cavities

Published on: May 24, 2022

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コーンシステムの互換性の影響は,可変コンパーのNiTi回転ファイルの準備したチャネルにおける単一のコーンバイオセラミックオプチュレーション

Reem M Barakat1, Rahaf A Almohareb2, Njoom Aleid3

  • 1Dental Clinics Department, King Abdullah Bin Abdulaziz University Hospital, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia. rmbarakat@pnu.edu.sa.

Scientific reports
|September 1, 2025
PubMed
まとめ

システムマッチングのグータパーカ (GP) コーンは,シラーが歯管に浸透するのを改善しますが,根管の空洞には影響しません. カルシウムシリケートベースのシーラー (CSBS) の特性も浸透に影響し,コンのフィットとシーラー選択の重要性を強調します.

キーワード:
バイオセラミックシーラーカルシウムシリケート基のシーラーコンフォカル顕微鏡エンドドンティック・オプチュレーショングッタペルチャマイクロCT根管シールシーラー貫通変形収縮率

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関連する概念動画

Deformation in a Circular Shaft01:10

Deformation in a Circular Shaft

One of the distinctive characteristics of circular shafts is their ability to maintain their cross-sectional integrity under torsion. In other words, each cross-section continues to exist as a flat, unaltered entity, simply rotating like a solid, rigid slab. To understand the distribution of shearing stress within such a shaft, consider a cylindrical section inside this circular shaft. This section has a length of L and a radius of R, with one end fixed. The radius of the cylindrical section is...
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Plastic Deformation in Circular Shafts01:20

Plastic Deformation in Circular Shafts

When materials are subjected to forces that surpass their yield strength, they undergo a process known as plastic deformation. This results in a permanent alteration or strain in their structure. This concept can be specifically applied to circular shafts, where the deformation leads to a change in its shape. The precise evaluation of this plastic deformation requires understanding the stress distribution within the circular shaft, which is achieved by calculating the maximum shearing stress in...
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Thin-Walled Hollow Shafts01:15

Thin-Walled Hollow Shafts

In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
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