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利用迷你骨釘及口內固定裝置進行上顎大臼齒之遠心移動-病例報告

Maxillary Molar Distalization with Introral Fixed Appliances and Miniscrew Anchorage-Case Report

摘要


利用口內固定裝置來進行上顎大臼齒遠心移動是一個有效且不須病人配合的治療方式,而近年來藉由迷你骨釘來進行錨定準備則可以讓我們減少錨定喪失的發生。本篇藉由兩個臨床的病例報告來介紹一種做為上顎大臼齒遠心移動的口內固定裝置,我們稱之為RAMDA(rapid molar distalizing appliance)。我們藉由RMADA來做大臼齒的遠心移動,在速率上可以達到每個月1-2mm的遠心移動量,但在移動形式上往往會伴隨著牙冠遠心傾斜的發生。在錨定方面,我們使用迷你骨釘來做間接錯定準備,但在前牙錯定喪失的情況仍然可見。

並列摘要


Fixed maxillary molar distalization appliance is an effective and noncompliance way for space regain. But with the increased confidence on skeletal anchorage, maximum anchorage preparation was planned with miniscrew in recent years. In this article, we cited two clinical cases to introduce an intraoral noncompliance appliance for maxillary molar distalization. RAMDA (rapid molar distalizing appliance) assist with skeletal anchorage is our modified technique used in these cases. From superimposition, we found that average rate of distalization was 1-2 mm per month. However, distal tipping of molar and anterior anchorage loss were also noted when using miniscrew as indirect anchorage.

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