Or start osteotomy in the mid point of the palatal slope and keep the coronal end of the trajectory (Fig.5 pink line) palatal to the imagined incisal edge (Fig.4 white outline). The implant should be small (3.5 mm instead of 4.5 mm) so that it is easy to change the trjactory.
Xin Wei, DDS, PhD, MS 1st edition 06/16/2019, last revision 06/27/2019