エレベーターと改良型ワイヤーおよびスクリューを用いた頬骨上顎複合体骨折の整復:症例報告
Bramasto Purbo Sejati1, Muhammad Fuadi2, Lina Mariana2
1Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Universitas Gadjah Mada Yogyakarta and Temanggung Regional General Hospital, Temanggung, Central Java, Indonesia.
Trauma case reports
|February 3, 2026
まとめ
本研究は、頬骨上顎複合体(ZMC)骨折の治療に効果的なエレベーターと改良型ワイヤー/スクリュー技術を提示する。この方法は、著しい顔面非対称のある患者の顔面対称性と機能を成功裏に回復させた。
科学分野:
- 口腔顎顔面外科学
- 外傷外科
- 形成外科学
背景:
- 頬骨上顎複合体(ZMC)骨折は、頬骨の転位により顔面非対称を引き起こすことが多い。
- これらの骨折の管理は、複雑な3次元解剖学的構造と外科的アクセス上の課題のため、複雑である。
- 顔面非対称および機能障害は、患者の生活の質に著しい影響を与える可能性がある。
研究 の 目的:
- 転位したZMC骨折の治療における、エレベーターと改良型ワイヤーおよびスクリューの組み合わせ技術の評価。
- この技術が顔面対称性および中顔面の機能を回復させる上での有効性の評価。
- 外科的介入後の患者の転帰および満足度に関する報告。
主な方法:
- 転位したZMC骨折を有する31歳男性の外科的管理を詳述した症例報告。
- エレベーターと改良型ワイヤーおよびスクリューの組み合わせを用いた3点固定ORIF(観血的整復内固定)を利用。
- 骨折整復および対称性の診断と術後評価のためにCTスキャンを使用。
主要な成果:
- 手術手技により、骨折した頬骨断片の整復と解剖学的位置への回復が成功した。
- 術後経過観察により、中顔面の対称性が回復し、眼球運動が改善した。
- 患者は合併症が最小限であり、高い満足度を報告しており、機能的および審美的な回復が成功したことを示している。
結論:
- エレベーターと改良型ワイヤーおよびスクリューの組み合わせ技術は、複雑なZMC骨折の管理において、実行可能かつ効果的な解決策である。
- このアプローチは、特にZMCグループIV骨折において、回旋性変形に対処し、制御された強度を提供する。
- この技術は、ZMC骨折管理における解剖学的回復、機能的回復、および患者転帰の改善を促進する。
関連する概念動画
Freezing Point Depression and Boiling Point Elevation
40.1K
Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
40.1K
Screw: Problem Solving
701
In mechanical engineering, the interaction between a threaded screw shaft and a plate gear involves analyzing the resisting torque on the plate gear that can be overpowered when a specific torsional moment is applied to the shaft. To better comprehend this concept, consider a generic situation with a threaded screw shaft with a given mean radius and lead and a plate gear with a specified mean radius. The coefficient of static friction between the screw and gear is also provided.
To evaluate the...
To evaluate the...
701
Self-Locking Screw
2.5K
A square-threaded screw jack is a mechanical device widely used for lifting heavy loads or applying considerable force. One of the key features that can make a screw jack more effective and reliable is its self-locking capability.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
A square-threaded screw jack carrying a load is considered self-locking if the screw retains its position even after the moment applied to it is removed.
2.5K
Oxidation-Reduction Reactions
75.7K
Oxidation–Reduction Reactions
75.7K
Frictional Forces on Screws
1.6K
Screws are characterized by a helical ridge known as a thread wrapped around a cylindrical shaft. They are commonly used as fasteners to hold objects together or to transmit power and motion in machines. One type of screw that is particularly useful for transmitting power is the square-threaded screw.
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
A jack with a square-threaded screw is a mechanical device used to lift heavy loads by applying a force at its handle. When the force is applied, the screw turns, raising the load. The screw can...
1.6K
Elevation of Intermediate Points on Vertical Curves
290
Vertical curves are essential in roadway design because they provide smooth transitions between varying roadway grades. Designing vertical curves involves calculating intermediate elevations and identifying the curve's highest or lowest point, which is essential for optimal roadway performance.Intermediate elevations on a vertical curve are determined using the tangent offset method. This method considers the initial elevation at the start of the curve, the grades, and the curve's geometry. The...
290


