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Fractures of the mandible are common. However, coronoid process fractures are very rare. [1] Isolated fractures of the coronoid process caused by direct trauma are rare, as it is anatomically protected by the complex zygomatic arch/ temporo-zygomatic bone and their associated muscles.
The mandibular notch, also known as the sigmoid notch, is a groove in the ramus of the mandible. It is the gap between the coronoid process anteriorly and the condyloid process posteriorly. Structure
The mental foramen opens midway between the upper and lower borders of the bone, and the mandibular canal runs nearly parallel with the mylohyoid line. The ramus is almost vertical in direction, the angle measuring from 110° to 120°, also the adult condyle is higher than the coronoid process and the sigmoid notch becomes deeper. [5]
The antegonial notch is a subtle indentation located on the inferior border of the mandible, immediately anterior to the angle of the mandible. It marks the transition between the inferior border of the mandibular body and the anterior border of the mandibular ramus .
Interior of the mandible, side view. The buccinator crest can be seen posteriorly to the third molar. The buccinator crest (Latin crista buccinatoria) is a bony crest of the human mandible, that passes from the base of the coronoid process to the area of the third molar. [1] The alveolar border of the buccinator muscle attaches upon it. [2]
The facial skeleton comprises the facial bones that may attach to build a portion of the skull. [1] The remainder of the skull is the neurocranium.. In human anatomy and development, the facial skeleton is sometimes called the membranous viscerocranium, which comprises the mandible and dermatocranial elements that are not part of the braincase.
In anatomy, the zygomatic arch, or cheek bone, is a part of the skull formed by the zygomatic process of the temporal bone (a bone extending forward from the side of the skull, over the opening of the ear) and the temporal process of the zygomatic bone (the side of the cheekbone), the two being united by an oblique suture (the zygomaticotemporal suture); [1] the tendon of the temporal muscle ...
Pages in category "Bones of the head and neck" ... Coronoid process of the mandible; ... Mandibular fossa; Mandibular notch;