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Jennifer: Today's case went on well thanks to our repeated conversation. I have one question: why I had resistance using the last drill 4.5x10 mm. I had to remove the drill and remove the bone from the drill and reentered the osteotomy. My heart sank when 4.5 mm cortical tap (according to drill sequence) had no resistance. Luckily the 5x8.5 mm implant achieved primary stability in the final 1-2 mm. The O-ring was removed. The implant was then placed ~ .5 mm deeper (~ 40 Ncm) (Fig.1). Thanks as usual.
Xin Wei, DDS, PhD, MS 1st edition 05/01/2018, last revision 10/22/2018