It appears that the implant at the 1st molar site is also placed buccal (Fig.10 <) and/or the implant too large for the site. Therefore there should be a 2-3 mm buccal gap before and after implant placement. Separation and reflection of the buccal flap allows better visibility.
Xin Wei, DDS, PhD, MS 1st edition 10/03/2017, last revision 08/19/2018