塞入PRF膜和粘性骨粉，完全植入植体前必须用4x11.5毫米钻头。原来上颌窦底板是斜型的。Trajectory is ideal.  *: sinus lift with bone graft; 1 palatal thread exposure, which is covered by bone graft following healing abutment placement.

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Xin Wei, DDS, PhD, MS 1st edition 11/05/2020, last revision 05/23/2021