Bone expansion is necessary for implantation. It should be done gently, since she is a dental phobic. First the crestal cortex (which is denser than the medullary bone) is split with a surgical fissural bur (Fig.3 red line, closer to the lingual plate (which is thicker and tougher than the buccal one).
Bone Expansion for Canine Last Next
Xin Wei, DDS, PhD, MS 1st edition 11/16/2014, last revision 11/17/2019