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The maxilla is a paired bone - the two maxillae unite with each other at the intermaxillary suture. The maxilla consists of: [5] Inferior surface of maxilla. The body of the maxilla: pyramid-shaped; has an orbital, a nasal, an infratemporal, and a facial surface; contains the maxillary sinus. Four processes: the zygomatic process; the frontal ...
Muscles of mastication. Mandibular division of the trigeminal nerve. The four classical muscles of mastication elevate the mandible (closing the jaw) and move it forward/backward and laterally, facilitating biting and chewing. Other muscles are responsible for opening the jaw, namely the geniohyoid, mylohyoid, and digastric muscles (the lateral ...
TA2. 2086. FMA. 46834. Anatomical terms of muscle. [edit on Wikidata] The buccinator (/ ˈbʌksɪneɪtər / [2][3]) is a thin quadrilateral muscle occupying the interval between the maxilla and the mandible at the side of the face. It forms the anterior part of the cheek or the lateral wall of the oral cavity. [4]
Anatomical terms of bone. [edit on Wikidata] The alveolar process (/ ælˈviːələr, ˌælviˈoʊlər, ˈælviələr /) [1] is the portion of bone containing the tooth sockets on the jaw bones (in humans, the maxilla and the mandible). The alveolar process is covered by gums within the mouth, terminating roughly along the line of the ...
Oral and maxillofacial surgery, Oral medicine. Temporomandibular joint dysfunction (TMD, TMJD) is an umbrella term covering pain and dysfunction of the muscles of mastication (the muscles that move the jaw) and the temporomandibular joints (the joints which connect the mandible to the skull). The most important feature is pain, followed by ...
The temporomandibular joints are one of the few synovial joints in the human body with an articular disc, another being the sternoclavicular joint. The disc divides each joint into two compartments, the lower and upper compartments. These two compartments are synovial cavities, which consist of an upper and a lower synovial cavity.
Mandibular prognathism is a protrusion of the mandible, affecting the lower third of the face. Prognathism can also be used to describe ways that the maxillary and mandibular dental arches relate to one another, including malocclusion (where the upper and lower teeth do not align). When there is maxillary or alveolar prognathism which causes an ...
Orbicularis oris muscle. Inferior labial artery and superior labial artery. It is sometimes known as the kissing muscle[1] because it is used to pucker the lips. In human anatomy, the orbicularis oris muscle is a complex of muscles in the lips that encircles the mouth. [2] It is not a true sphincter, as was once thought, as it is actually ...