Advantages of a new post design, Flexi-Flange(R) are described. It inc
orporates a split-shank parallel threaded post with a flange that seat
s into an occlusal countersunk dentine space. This ease report describ
es placement of three Flexi-Flange posts in a first bicuspid, canine a
nd central incisor. The Flexi-Flange system was designed to offer high
retention of the post in the root, superior distribution of stresses
on insertion and under function, and longterm resistance to metal fati
gue.