This thickness also allows the bone to remain strong and sturdy to protect the more delicate features of the face. Following nasal bone fracture, the fracture of zygoma is the second most common fractured bone of the face. Start studying Zygomatic bone. Markings of the Zygomatic bone: The zygomatic bones(Gr., zygoma – yoke) are two facial bones that form the cheeks and the lateral walls of the orbits. This may include nausea, vomiting, and cognitive changes. Additionally, the grooves and indentations of the upper zygomatic bone provide space for muscles to insert in the forehead and upper portion of the skull. It goes through or right next to the sinus and anchors into the thick and solid zygomatic bone. Let us know if you have suggestions to improve this article (requires login). This surface is concave (curves inward) from one side to the other. When the quality and quantity of bone in the upper jaw is insufficient for the successful placement of conventional dental implants, zygomatic dental implants provide the required stability and support to rebuild a complete smile with implant … Updated July 9, 2019. Other portions of the zygomatic bone include joints near the jaw, near the ears, and near the forehead … Thinking about getting a smile design makeover? This muscle causes the corners of a person’s mouth to rise when they smile. The most common cause of zygomatic fractures is violent alterca… Anatomical variations of the zygomatic bone may include the presence of an extra joint dividing the bone into two additional sections. The mean BIC was 15.3 ± 5.6 mm (range, 4.9 to 32.9 mm) in the zygomatic bone. Instead of placing the implant in your jaw bone (where bone deterioration has taken place), Dr. Keller places your implant in your cheekbone, which is dense and provides excellent support. Craniomaxillofac Trauma Reconstr. Gross anatomy. Also known as the malar bone, the zygomatic bone makes up the cheekbone and the outside portion of the eye socket. Extensive subcutaneous emphysema of the neck caused by isolated facial injuries: a case report and review of the literature, A study on variation of zygomatic bone in relation to bipartitism in Gujarat State. It is more commonly called the cheekbone, but it also is known as the zygoma, or the malar bone. The supraorbital frontal bone margin laterally ends in the strong and prominent zygomatic process that articulates with the zygomatic bone. Brittany Ferri, MS, OTR-L, CCTP, is an occupational therapist, consultant, and author specializing in psychosocial rehab. Corrections? Oettlé AC, Demeter FP, L'abbé EN. The zygomatic bones join with several other bones of the face, including the nose, jaw, portions of the eye, and bones just in front of the ears. Other variations include differences in where the zygomatic bone meets the jaw bone and the forehead, along with longer landmarks at the site of these joints. In order for a fracture to occur in the zygomatic bone, kinetic force is required. Lee EI, Mohan K, Koshy JC, Hollier LH Jr. Optimizing the surgical management of zygomaticomaxillary complex fractures. 2010;24(4):389–397. Due to its size and function in joining many facial bones together, underdeveloped zygomatic bones cause significant issues related to the construction of the face. Extensive subcutaneous emphysema of the neck caused by isolated facial injuries: a case report and review of the literature. A study on variation of zygomatic bone in relation to bipartitism in Gujarat State. Each zygomatic bone articulates with the temporal bone, frontal bone, maxilla, and sphenoid bones. The arches of the zygomatic bone provide a person’s cheeks with the structure to fill out the face. in the occipital bone-opening in skull. The portion of the maxilla which articulates with the frontal bone superiorly and the nasal bones medially is referred to as the frontal process. Semin Plast Surg. This allows for the structure of the skull to take over as the main protector of the brain and other underlying structures. In the human skull, the zygomatic bone (cheekbone or malar bone) is a paired irregular bone which articulates with the maxilla, the temporal bone, the sphenoid bone and the frontal bone. It presents a malar and a temporal surface; four processes, the frontosphenoidal, orbital, maxillary, and temporal; and four borders. Zygomatic arch, bridge of bone extending from the temporal bone at the side of the head around to the maxilla (upper jawbone) in front and including the zygomatic (cheek) bone as a major portion. The zygomatic bone itself has four processes: The frontosphenoidal process is thick as well as … Read our, Medically reviewed by Anita C. Chandrasekaran, MD, MPH, Medically reviewed by Rochelle Collins, DO, Sebastian Kaulitzki / Science Photo Library / Getty Images, A Quick Overview of the Anatomy of the Ossicles, Clavicle: Anatomy, Function, and Treatment, This Is How We Chew It: Anatomy of the Masseter, Ancestral variations in the shape and size of the zygoma, Optimizing the surgical management of zygomaticomaxillary complex fractures, Characteristics and epidemiology of zygomaticomaxillary complex fractures, Don’t blow it! In vertebrates, the zygomatic arch is a curved bony protrusion of the skull that extends along the outer edge of the lower eye socket from the temple to the maxilla, or upper jaw. 2017;300(1):196-208. doi:10.1002/ar.23469. The term \"zygomatic\" is derived from the Greek word \"zugoma,\" which means bar, bolt or yoke, because the shape of the bony structure resembles that of a y… Near the skull, the articulations (where two bones come together) are not as thick. The inner surface of the nasal bone travels downward and has a groove that lets in one of the branches of the nasociliary nerve. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. The most common condition associated with the zygomatic bone is a fracture. A fracture to the orbital floor, the portion of the zygomatic bone which is attached to the eye, also has an impact on the function of the zygomatic bone. The zygomatic bone forms in membrane (i.e., without a cartilaginous precursor) and is ossified at birth. 2010;21(4):1018-23. doi:10.1097/scs.0b013e3181e62e47, Makrides H, Lawton LD. Updates? Zygomatic bone (Os zygomaticum) The zygomatic bone (zygoma) is an irregularly shaped bone of the skull. The vomer is part of the nasal septum which follows the midline of the viscerocranium and creates the division between the two symmetrical sides of the nasal cavity. It is located at the lateral edge of the eye sockets and plays a … Zygomatic bone, also called cheekbone, or malar bone, diamond-shaped bone below and lateral to the orbit, or eye socket, at the widest part of the cheek. 164). However, its prominence makes it particularly vulnerable to injury, especially when impact occurs on either side of the face. Another depression called the zygomaticoalveolar crest is located below the zygomatic process and just above the alveolar process. Our editors will review what you’ve submitted and determine whether to revise the article. Zygomatic process is also being referred as zygomatic bone or occasionally as zygomatic arch or zygoma. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. The zygomatic bone is a facial bone in the front of the skull. It is a thick lateral outgrowth of the supra-orbital margin. Zygomatic Implants. 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