In fact 2.5 mm one is proper (Fig.4).  The gingival erythema reduces significantly post bridge removal, SRP and water pik.  After incision, surgical hand piece and diamond round bur are used to flatten the ridge until 4 mm.可能需要植入窄植体（图四（撤桥后CT冠状切面））。我已经可以高枕无忧了吗？2.5x12毫米。B: 颊侧

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Xin Wei, DDS, PhD, MS 1st edition 04/20/2021, last revision 05/03/2021