This illustration shows the fascial spaces including the buccal, submental, canine, and infratemporal spaces. The buccal space figure highlights the buccinator muscle and the buccal space. The submental space figure displays the anterior digastric muscle, mandible, hyoid bone, and the submental space. The canine space figure highlights the canine space and canine teeth. The infratemporal space figure shows the temporalis muscle, lateral pterygoid muscle, sphenoid bone, and the infratemporal space.
