Since the gingiva is thin (Fig.4), implants switch to bone level ones (Fig.3,4).  To have enough space between implants and the neighboring tooth, two of 3.5 mm implants are placed.  Because of the limited vertical restoration height, the implants are chosen intraoperatively to be short and placed deep (Fig.3).

Drawbacks of Free Hand Surgery Last Next

Xin Wei, DDS, PhD, MS 1st edition 04/20/2018, last revision 09/12/2018