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While a 7x17 mm implant was immediately placed at #30 six years earlier, a 5x17 mm one will be inserted at #19 as lingual as possible to reduce buccal thread exposure (Fig.2). The whole tooth will be extracted before osteotomy in the septum, since the roots in the sockets do not help free hand osteotomy unless the crown breaks off during extraction. Initial depth will be 14 mm. Use Tatum 17 mm drills.
Xin Wei, DDS, PhD, MS 1st edition 07/12/2020, last revision 07/12/2020