A piece of floss with 2 knots in one end is placed between the middle units of the final bridge before cementation (Fig.12 (4 months 10 days postop)).  In fact removal of residual cement (*) is not so simple.  It is tedious (Fig.13,14). 

2 Implants for 4 Incisors Last Next

Xin Wei, DDS, PhD, MS 1st edition 08/20/2018, last revision 12/03/2018