When the surgical guide for #28 is removed, the 4x13 mm implant is found to be superficial and buccal. Part of the buccal mucosa is nonkeratinized. After 1 mm deeper placement of the implant, CT confirms the buccal placement (Fig.1, as compared to design).
Xin Wei, DDS, PhD, MS 1st edition 04/18/2019, last revision 04/18/2019