摘要目的研究新型上颌窦提升工具在开窗式上颌窦提升术中的应用效果。
Abstract: Objective To assess the clinical efficacy of a new instrument in lateral window maxillary sinus lifting.
新防伪特征包括全息开窗式保安线、颜色荧光纤维，以及清楚显示“1000”银码的高透光度水印。
The new features include a holographic windowed thread, coloured fluorescent fibres and a highlight watermark showing the number '1000'.
新防伪特征包括全息开窗式保安线、颜色荧光纤维，以及清楚显示“1000”银码的高透光度水印。
The new features include a holographic windowed thread, coloured fluorescent fibres and a highlight watermark showing the number '1000'.
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