In fact a narrower one (2.5x13 or 15 mm IS or 2.5x14(4) DIO) will be used to be safe. To have less palatal thread exposure, the implant will be placed deep. Probably a 13 mm long one will be used to avoid the nasal floor.
Xin Wei, DDS, PhD, MS 1st edition 12/14/2018, last revision 12/16/2018