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The mandible forms the lower jaw and holds the lower teeth in place. It articulates with the left and right temporal bones at the temporomandibular joints. The condyloid process, the superior (upper) and posterior projection from the ramus, makes the temporomandibular joint with the temporal bone.
The retromolar space or retromolar gap is a space at the rear of the mandible, between the back of the last molar and the anterior edge of the ascending ramus where it crosses the alveolar margin. This gap is generally small or absent in modern humans, but it was more often present in Neanderthals , [ 1 ] and it was common among some ...
the ascending ramus of the mandible laterally (the space is deep to the ramus of the mandible) ... The pterygomandibular space is the area where local anesthetic ...
The muscles of mastication are enclosed in a layer of fascia, formed by cervical fascia ascending from the neck which divides at the inferior border of the mandible to envelope the area. Each masticator space also contains the sections of the mandibular division of the trigeminal nerve and the internal maxillary artery. [4]
The forensic term for the midpoint of the mandibular angle is the gonion. The gonion is a cephalometric landmark located at the lowest, posterior, and lateral point on the angle. [1] This site is at the apex of the maximum curvature of the mandible, where the ascending ramus becomes the body of the mandible.
The cut is then made inferiorly on the ascending ramus to the descending ramus, extending to the lateral border of the mandible in the area between the first and second molar. At this time, a vertical cut is made extending inferior to the body of the mandible, to the inferior border of the mandible.
Sometimes mandibular fractures in the region of the angle of the mandible may cause an infection of the submasseteric space. [1] The signs and symptoms of a submasseteric abscess may include marked trismus (i.e. difficulty opening the mouth, since the masseter elevates the mandible and it becomes restricted) and swelling in the region of the ...
The mandible of Periptychus was particularly robust; the paired dental bones were co-ossified toward the end, and went to form a high mandibular symphysis that extended from the incisors to the ventral limit of the mandible, at the level of the anterior margin of the second inferior premolar. The ascending ramus of the mandible was rather high ...