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A 53-year-old man will return for #18 extraction and implant because of endo failure after the same treatment at #14 (Fig.1). Use 4 mm stopper from DIO Sinus Kit for osteotomy to gain 4 mm native bone for primary stability.
Xin Wei, DDS, PhD, MS 1st edition 10/05/2017, last revision 10/07/2017