Because of the long crowns of the neighboring teeth, it is difficult to remove the apical portion of the root, including gutta percha with surgical handpiece (Fig.3 * (1.2 mm drill for 12 mm)) for socket shield. To avoid the perspective implant touching socket shield, initial osteotomy is palatal. When a 2 mm drill is being used, the coronal end of the palatal plate starts to perforate. A 2.5x14 mm 1-piece implant is placed with 30 Ncm (Fig.4).
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Xin Wei, DDS, PhD, MS 1st edition 10/18/2018, last revision 10/18/2018