The tooth #13 has 2 sockets with severe infection (Fig.2, IS implant). Start osteotomy in the palatal socket. Since the bone height is 11.41 mm (Fig.3), place PRF and bone graft before a 4x11 mm implant.
Xin Wei, DDS, PhD, MS 1st edition 07/12/2018, last revision 07/12/2018