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A 52-year-old man had a non-restorable lateral incisor 3 years ago (Fig.1). It fractures lately (Fig.2).
After extraction (no Antibiotic socket treatment), start osteotomy in the palatal wall for a few mm in the native bone, insert a parallel pin and check bite. Adjust the trajectory and position of the osteotomy as early as possible. If the bone is dense, extend osteotomy depth to 18 mm for a 3.8x15 or 16 implant. Otherwise 20 mm for 3.8x18 mm one. The final drill will be 2-3 mm shorter if the bone density is low.
Xin Wei, DDS, PhD, MS 1st edition 01/24/2017, last revision 12/31/2018