Male Skull with an Open Jaw, Lateral View

Description

Seen in lateral profile, the male cranium is defined by the frontal squama anteriorly, the parietal bone superiorly, the squamous temporal bone at the sidewall, and the occipital bone posteriorly, with the coronal and lambdoid sutures demarcating their margins. Inferior to the temporal bone, the mandible sits depressed at the temporomandibular joint, separating the mandibular dental arch from the maxillary teeth and exposing the occlusal surfaces. The zygomatic bone forms the lateral cheek prominence and contributes to the lateral orbital rim, while the maxilla and nasal bones outline the midface anterior to the pterygoid region. Clean relationships. Jaw opening makes the TMJ anatomy readable, and this view is a workhorse for teaching mandibular kinematics: rotation in the inferior joint space followed by anterior translation of the mandibular condyle toward the articular eminence of the temporal bone. Clinically, that sequence frames anterior disc displacement and recurrent TMJ dislocation, where the condyle rides anterior to the articular tubercle and cannot readily return to the mandibular fossa. The open position also highlights dental occlusion and the alignment of incisors, canines, premolars, and molars, a practical reference for maxillofacial trauma charts and orthodontic documentation. Use this lateral skull with open jaw for dental and medical gross anatomy courses, head and neck modules, and radiology teaching that correlates surface landmarks to panoramic imaging and lateral cephalometry. It also suits surgical atlases covering TMJ approaches, mandibular fracture patterns (condylar neck, angle, parasymphysis), and airway evaluation where mandibular position affects upper airway caliber. Anatomical accuracy verified by SciePro's Medical Advisory Board.