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CBCT confirms that the ridge at #14 is narrower than that at #15. In contrast, the bone density is lower at #15 than that at #14 (Fig.8,9 coronal sections; B: buccal). Wheel saws will be used to split the ridge. Bone expanders are going to be used for bone expansion at #14 and bone condensation at #15. Be careful while using bone expanders at #14, since the bone density is higher. There is a chance of buccal plate fracture. Use drills if indicated.
Xin Wei, DDS, PhD, MS 1st edition 03/04/2016, last revision 05/24/2019