In fact 3 implants can be placed (Fig.2-4). Reach the depth with 2.2 mm drill at #13 and take PA to determine proximity to the root of #12.  The guide may be not precise due to mobility of the FPD.

No More FPD Last Next

Xin Wei, DDS, PhD, MS 1st edition 09/14/2019, last revision 09/15/2019