The anterior and frontal cross-sectional views of fascial spaces including the buccal, submental, canine, and infratemporal spaces. The buccal space inset highlights the buccinator muscle. The submental space inset includes the mandible, anterior digastric muscle, and hyoid bone. The canine space inset highlights the canine teeth. The infratemporal space inset includes the sphenoid bone, temporalis muscle, and lateral pterygoid muscle.
