Fixation should be considered in two planes. This includes placement of plates in the palate, and a plate in the anterior alveolar arch, taking care to avoid injury to the dental roots.
It may be desirable to first plate the palate while a perfect reduction of the previously splayed palate is visualized.
More information on CMF implants can be found here.
This illustration shows a straight plate placed on the bone or on the mucosa thus through transmucosal screws.