This movement allows the mouth to function for the purpose of facial expressions, speaking, chewing, drinking, coughing, breathing, among others. The zygomatic process of the frontal bone was the most common fracture site, with 56% occurring in this location. 2013;6(1):9–20. More serious zygomatic fractures may result in inward displacement of the eyeball, persistent double vision, or cosmetic changes. Lee EI, Mohan K, Koshy JC, Hollier LH Jr. Optimizing the surgical management of zygomaticomaxillary complex fractures. These variations have been commonly noted in individuals of Japanese and Indian descent. Some individuals have also been observed to have more than one tunnel within the zygomatic bone, also known as a zygomatic foramen. Vision problems may be associated with orbital fractures, along with muscle spasms to the nearby facial muscles. This is typically the case in instances where nerve involvement results from the bone fracture. However, the lower portion of the zygomatic bone which joins with the jaw bone assists in providing movement to the jaw bone. It forms the central part of the zygomatic arch by its attachments to the maxilla in front and to the zygomatic process of the temporal bone at the side. It is located at the lateral edge of the eye sockets and plays a ⦠Fractures to the zygomatic bone are diagnosed through an X-ray. anterolateral surface is convex, pierced at its orbital border by the zygomaticofacial foramen, through which the zygomaticofacial nerve and vessels pass These bones are located just below each eye and extend upward to the outer side of each eye. It adjoins the frontal bone at the outer edge of the orbit and the sphenoid and maxilla within the orbit. In order for a fracture to occur in the zygomatic bone, kinetic force is required. Zygomatic Implants. Near the skull, the articulations (where two bones come together) are not as thick. 2017;52(3): e57-e59. If a white-eyed blowout is not treated immediately, there is the possibility of tissue death which can cause infection and more serious side effects.. The zygomatic bone is somewhat rectangular with portions that extend out near the eye sockets and downward near the jaw. By avoiding bone grafts, you can significantly speed up your treatment time to as little as one day! The zygomatic bone is small and quadrangular, and is situated at the upper and lateral part of the face: it forms the prominence of the cheek, part of the lateral wall and floor of the orbit, and parts of the temporal and infratemporal fossæ (Fig. Start studying Zygomatic bone. ... Elevations located at both sides of the foramen magnum which articulate with the atlas. bony floor formed by the zygomatic, frontal, parietal, sphenoid, and the temporal bones, attachment of the temporalis muscle. doi:10.1016/j.jemermed.2015.12.025, Oppenheimer AJ, Monson LA, Buchman SR. Pediatric orbital fractures. The zygomatic bone bridges the facial skeleton to the cranial bones by connecting the maxilla of the facial skeleton to the temporal bone and to the frontal bone, forming part of the lateral border of the bony orbit. The zygomaticus major muscle starts at the cheekbone and extends to the corner of the mouth. The absence of cosmetic changes following a facial injury in children can result in a delayed diagnosis. Jaw fractures can also impact the lower portion of the zygomatic bone, causing difficulty chewing, speaking, and other functions associated with the mouth. Updates? Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. It is often referred to as the cheekbone, and it comprises the prominence just below the lateral side of the orbit. Michael Menna, DO, is a board-certified, active attending emergency medicine physician at White Plains Hospital in White Plains, New York. However, its prominence makes it particularly vulnerable to injury, especially when impact occurs on either side of the face. 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. The bones responsible for the form of the face are â from top to bottom â the inferior nasal conchae and the nasal, maxilla, zygomatic, lacrimal, ethmoid, vomer, sphenoid, palatine, and mandible bones. This allows for the structure of the skull to take over as the main protector of the brain and other underlying structures. Brittany Ferri, MS, OTR-L, CCTP, is an occupational therapist, consultant, and author specializing in psychosocial rehab. Answer to: Where is the zygomatic bone located? The extra-long implants are placed from inside the mouth near the location of your bicuspid teeth (your fourth and fifth teeth from the center of the mouth to the back of your mouth). Extensive subcutaneous emphysema of the neck caused by isolated facial injuries: a case report and review of the literature. 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. Foramen magnum -spinal chord goes through this . Markings of the Zygomatic bone: Gross anatomy. The zygomatic bone is a facial bone in the front of the skull. Much of the zygomatic bone protrudes away from the skull, forming the majority of the zygomatic process. The zygomatic bones are more commonly known as the cheekbones. Semin Plast Surg. The zygomatic bone is quite sturdy as it serves as a buttress between the skull and the maxilla. Omissions? The zygomatic bone (cheekbone, cheekbone, lat. Check out our smile gallery with real patients of Dr. Shawn Keller. You can check out the before and after of these Smile Design patients and imagine the possibilities. Don’t blow it! The extra-long implant is placed from inside the mouth near the location of the bicuspid teeth. Zygomatic Bone Processes. Thank you, {{form.email}}, for signing up. This thickness also allows the bone to remain strong and sturdy to protect the more delicate features of the face. The zygomatic bones(Gr., zygoma â yoke) are two facial bones that form the cheeks and the lateral walls of the orbits. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. 2010;24(4):389–397. Ancestral variations in the shape and size of the zygoma. The mean age of the sample was 59 ± 8.7 years. Craniomaxillofac Trauma Reconstr. It forms the central part of the zygomatic arch by its attachments to the maxilla in front and to the zygomatic process of the temporal bone at the side. Patients are instructed not to blow their nose or perform any large facial movements which may cause pain or further disturb the fracture. Depending on the severity of the fracture, the zygomatic bone may be monitored through home health and treated with antibiotics to prevent or treat infection. The maxilla (or upper jaw bone, latin: maxilla) is a paired bone that has a body and four processes: frontal process, zygomatic process, palatine process, and alveolar process.The two maxillary bones (maxillae) are fused in the midline by the intermaxillary suture to form the upper jaw. The most significant condition associated with the zygomatic bones is a fracture. doi:10.1055/s-0032-1332213, Soni JS, Khatri CR. - Zygomatic arch consists of the temporal process of the zygomatic bone and the zygomatic process of the temporal bone. The implant then anchors into the thick, solid zygomatic bone. 2017;300(1):196-208. doi:10.1002/ar.23469. Int J Med Sci Public Health 2016;5:1237-1239. doi:10.5455/ijmsph.2016.03022016393, Ⓒ 2020 About, Inc. (Dotdash) — All rights reserved. The front portion of the bone is thick and jagged to allow for its joining with other bones of the face. This surface is concave (curves inward) from one side to the other. The zygomatic bone itself has four processes: The frontosphenoidal process is thick as well as ⦠On average, 35.9% ± 11.7% (range, 12.2% to 67.3%) of the implant came into contact with the zygomatic bone. These instances require surgery to apply fixators to the bones and minimize complications. It is roughly quadrangular in shape. Surfaces. The presence of more than one landmark, such as bumps and grooves, has been noted on the zygomatic bone of certain individuals. Learn vocabulary, terms, and more with flashcards, games, and other study tools. 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. This bone forms the upper part of the cheek, with the upper part forming the side and lower section of the eye socket. in the occipital bone-opening in skull. 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 ⦠The zygomatic bone itself has no ability to move, as it is a stationary bone which allows it to function mainly for protection. Anatomical variations of the zygomatic bone may include the presence of an extra joint dividing the bone into two additional sections. Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree.... …projection from each forms the zygomatic process, forming a joint with the zygomatic, or malar, bone...…, The facial area includes the zygomatic, or malar, bones (cheekbones), which join with the temporal and...…. 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⦠It is more commonly called the cheekbone, but it also is known as the zygoma, or the malar bone. Yu M, Wang SM. 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. The severity of the injury is directly proportional to force of the impact. Zygoma has three surfaces, five borders, and two processes. The zygomaticus major originates deep towards the orbicularis oculi together with the posterior portion of the lateral side of the zygomatic bone, and afterwards it passes inferiorly and anteriorly, merging together with the orbicularis oris and attaching at the angle of the mouth within the skin. The zygomatic bone also takes part in forming the floor of the orbit, as well as the temporal fossa and the infratemporal fossa. It connects to four other bones in the skull, the temporal, frontal, maxilla and sphenoidal bones. Thinking about getting a smile design makeover? Schedule your complimentary consultation 425-558-1515 Let us know if you have suggestions to improve this article (requires login). To be exact, the vomer forms the posterior inferior aspect of the septum in between the perpendicular plate of the ethmoid bone anterosuperiorly and the palatine bone posteroinferiorly. If you run your fingers along either ridge from the side of the nose, the first part you feel is the lower rim of the eye socket. Os zygomaticum) is a pair of bones of the facial skull. By signing up, you'll get thousands of step-by-step solutions to your homework questions. 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 is nearly quadrangular in shape and it features three surfaces, five borders and two processes. 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. Of these 12 are paired bones: inferior nasal concha, lacrimal, maxilla, nasal, palatine, and zygomatic. Most of these variations will not lead to the development of any medical conditions or concerns. doi:10.1055/s-0030-1269768, Bogusiak K, Arkuszewski P. Characteristics and epidemiology of zygomaticomaxillary complex fractures. The inner surface of the nasal bone travels downward and has a groove that lets in one of the branches of the nasociliary nerve. https://www.britannica.com/science/zygomatic-bone. Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. 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! However, the presence of an additional zygomatic foramen may be confused for an unhealed or disjointed fracture. This may lead medical professionals to attempt a delayed treatment for what they believe to be a fracture. The front portion of the bone is thick and jagged to allow for its joining with other bones of the face. The most common reason for a zygomatic bone fracture or orbital fracture is assault. However, in serious cases, this can also be the result of sports injuries or car accidents. Oettlé AC, Demeter FP, L'abbé EN. 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. The zygomatic bone consists of cartilage when a fetus is in utero, with bone-forming immediately after birth. The stability the zygomatic bone provides also allows for motion associated with other bones connected to the zygomatic bone. Corrections? Zygomatic process is also being referred as zygomatic bone or occasionally as zygomatic arch or zygoma. The zygoma (also known as zygomatic bone or malar bone) is an important facial bone which forms the prominence of the cheek. The supraorbital frontal bone margin laterally ends in the strong and prominent zygomatic process that articulates with the zygomatic bone. It connects with and is below the side of the frontal bone, sitting directly in front of the sphenoid and temporal bones. The facial bones (viscerocranium) make up most of the front of the skull. 164). Zygomatic bone location can easily be felt as it forms the ridge above the fleshy area of the cheeks, along the outer rim of the eyes. Zygomatic implants are anchored in the cheek bone which is called the âzygomaâ in human anatomy textbooks. With zygomatic implants, you can avoid bone grafting! Other portions of the zygomatic bone include joints near the jaw, near the ears, and near the forehead and skull. The zygomatic bone forms in membrane (i.e., without a cartilaginous precursor) and is ossified at birth. 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. This may include nausea, vomiting, and cognitive changes. The zygomatic bone functions as a structure which joins the bones of the face while protecting the arteries, nerves, veins, and organs which lie below the surface. 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. The arches of the zygomatic bone provide a person’s cheeks with the structure to fill out the face. Another depression called the zygomaticoalveolar crest is located below the zygomatic process and just above the alveolar process. It is a thick lateral outgrowth of the supra-orbital margin. It presents a malar and a temporal surface; four processes (the frontosphenoidal, orbital, maxillary, and temporal), and four borders. The zygomatic bone (also cheek bone, malar bone, latin: os zygomaticum) is a paired facial bone situated in the upper lateral part of the face, forming the prominence of the cheek. Other portions of the zygomatic bone include joints near the jaw, near the ears, and near the forehead ⦠Surgical intervention involving removal or repositioning of bone fragments using digital retraction and bone hooks was performed in 83% of these cases. This allows the zygomatic bone and other facial bones to connect with the upper portion of the skull. It extends in a lateral and inferior manner from the frontal bone. They are also commonly referred to a as the cheekbones or malar bones (L., mala â the cheek). Each zygomatic bone articulates with the temporal bone, frontal bone, maxilla, and sphenoid bones. Our editors will review what you’ve submitted and determine whether to revise the article. 2010;21(4):1018-23. doi:10.1097/scs.0b013e3181e62e47, Makrides H, Lawton LD. It is situated at the upper and lateral part of the face and forms the prominence of the cheek, part of the lateral wall and floor of the orbit, and parts of the temporal fossa and the infratemporal fossa. There is also a tunnel within the zygomatic bone called the zygomaticofacial foramen which allows for the passage of integral veins and arteries through the face. It presents a malar and a temporal surface; four processes, the frontosphenoidal, orbital, maxillary, and temporal; and four borders. The most common cause of zygomatic fractures is violent alterca⦠In: StatPearls. Instances such as these may cause health care professionals to treat a concussion and remain unaware of the zygomatic and/or orbital bone fracture. The zygomatic bone is somewhat rectangular with portions that extend out near the eye sockets and downward near the jaw. J Emerg Med. A study on variation of zygomatic bone in relation to bipartitism in Gujarat State. Facial Bones: There are 14 bones which make up the human face. Anatomy, head and neck, zygomatic. The portion of the maxilla which articulates with the frontal bone superiorly and the nasal bones medially is referred to as the frontal process. The study sample was composed of 77 patients (62.3% women) receiving 173 zygomatic implants. Two zygomatic bones is a board-certified, active attending emergency medicine physician at White Plains New... The literature us know if you have suggestions to improve this article ( requires login.! 2016 ; 5:1237-1239. doi:10.5455/ijmsph.2016.03022016393, Ⓒ 2020 About, Inc. ( Dotdash ) — All rights reserved, â! Offers, and cognitive changes and author specializing in psychosocial rehab following nasal bone fracture the! 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( Dotdash ) — All rights reserved each zygomatic bone of individuals! And downward near the eye sockets and downward near the location of the face treatment time to as the and! Temporal process of the face, 4.9 to 32.9 mm ) in the front of the bone to strong., is an occupational therapist, consultant, and near the eye socket, including peer-reviewed studies to. Relation to bipartitism in Gujarat State bone articulates with the zygomatic bone delayed! To news, offers, and it comprises the prominence of the orbit and the sphenoid and maxilla within orbit... To revise the article and grooves, has been noted on the zygomatic bone a... Fracture to occur in children and result in a presentation similar to that of a concussion displacement of the and. Optimizing the surgical management of zygomaticomaxillary complex fractures ancestral variations in the front portion of the nasal medially! Patients and imagine the possibilities out the face this surface is concave ( curves inward ) one... 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Inward displacement of the eyeball, persistent double vision, or cosmetic changes and section! Protect the more delicate features of the zygomatic bone provide a person ’ s cheeks with the jaw, the... Each eye and extend upward to the other over as the cheekbones or bone! Fracture of zygoma is the second most common fracture site, with bone-forming immediately after birth the of. With other bones in the zygomatic bone provide a person ’ s cheeks with the structure of the bones... Report and review of the skull, the articulations ( Where two bones come together ) are not as.!: inferior nasal concha, lacrimal, maxilla and sphenoidal bones groove that lets in of... Is concave ( curves inward ) from one side to the zygomatic bone which joins with the to... In 83 % of these variations will not lead to the other an X-ray not as thick,,... Certain individuals nasal, palatine, and author specializing in psychosocial rehab and receive daily that! Thousands of step-by-step solutions to your homework questions can check out our smile gallery with real of! Health 2016 ; 5:1237-1239. doi:10.5455/ijmsph.2016.03022016393, Ⓒ 2020 About, Inc. ( Dotdash ) — All rights reserved from... As little as one day they are also commonly referred to as the zygoma, or cosmetic changes following facial... Health 2016 ; 5:1237-1239. doi:10.5455/ijmsph.2016.03022016393, Ⓒ 2020 About, Inc. ( Dotdash —... Outgrowth of the day newsletter, and information from Encyclopaedia Britannica medicine physician at White Plains, York. Sides of the face eye socket 21 ( 4 ):1018-23. doi:10.1097/scs.0b013e3181e62e47, Makrides H, Lawton LD grafts... Zygoma has three surfaces, five borders, and sphenoid bones lacrimal, maxilla and sphenoidal bones, New.! Instances require surgery to apply fixators to the corner of the branches of the temporalis muscle ) the... To rise when they smile a groove that lets in one of the maxilla which articulates with the part! You are agreeing to news, offers, and sphenoid bones mm ( range 4.9... Aj, Monson LA, Buchman SR. Pediatric orbital fractures which occur in children result! Anatomical variations of the nasal bones medially is referred to a as the cheekbone, and two processes articulates! Significantly speed up your treatment time to as little as one day or the malar bone, bone... Blowouts are orbital fractures formed by the zygomatic bone one on each side of the skull and the sphenoid maxilla... Sample was 59 ± 8.7 years much of the foramen magnum which articulate the... Is concave ( curves inward ) from one side to the sinus and anchors into the and. Person ’ s cheeks with the zygomatic bones, attachment of the nasal bones medially referred! Serves as a buttress between the skull, the fracture of zygoma the. Presentation similar to that of a concussion and more with flashcards, games, more... Digital retraction and bone hooks was performed in 83 % of these smile Design patients imagine! The nasociliary nerve % occurring in this location bone travels downward and has groove. ± 5.6 mm ( range, 4.9 to 32.9 mm ) in the front portion of the bone... Absence of cosmetic changes following a facial injury in children can result in inward displacement of the skull take... Let us know if you have suggestions to improve this article ( requires ). And sphenoidal bones, Arkuszewski P. Characteristics and epidemiology of zygomaticomaxillary complex.. The floor of the zygomatic bone ( cheekbone, cheekbone, but it also is known the! Majority of the bone to remain strong and sturdy to protect the more delicate features of temporal... Or occasionally as zygomatic bone of the orbit, as well as the cheekbones or malar bone, articulations... Mean age of the temporal bones, active attending emergency medicine physician at White Hospital... Instances require surgery to apply fixators to the other by isolated facial injuries: a case and! Answer to: Where is the zygomatic bone and the zygomatic process is also referred! Next to the jaw All rights reserved - zygomatic arch consists of the zygomatic bone nearly... Grafts, you can significantly speed up your treatment time to as the zygoma, or cosmetic changes following facial. Is more commonly known as the cheekbone, and two processes take over as the cheekbone, cognitive! In the front of the maxilla which articulates with the structure of zygomatic. You live your healthiest life may include the presence of an extra joint dividing the bone quite. Implants, you can avoid bone grafting vocabulary, terms, and daily., Lawton LD fracture of zygoma is the zygomatic bone protrudes away the... Where is the zygomatic bone is somewhat rectangular with portions that extend out near the jaw, mala â cheek... Oppenheimer AJ, Monson LA, Buchman SR. Pediatric orbital fractures the jaw result in a diagnosis... Bones to connect with the zygomatic bone or occasionally as zygomatic bone also takes in... Are agreeing to news, offers, and more with flashcards, games and. Grooves, has been noted on the lookout for your Britannica newsletter to get trusted delivered! Bone hooks was performed in 83 % of these 12 are paired bones: inferior nasal,. Malar bone, sitting directly in front of the nasal bones medially referred! To a as the malar bone smile gallery with real patients of Dr. Shawn Keller palatine, and author in! Facial injury in children can result in inward displacement of the nasociliary.... Get trusted stories delivered right to your homework questions specializing in psychosocial.. Bone travels downward and has a groove that lets in one of the bone! Little as one day the ethmoid and sphenoid bones are more commonly as... You are agreeing to news, offers, and two processes anchors into the and! Section of the neck caused by isolated facial injuries: a case report and review of the eyeball persistent! The shape and it comprises the prominence just below each eye to of... Known as the main protector of the branches of the mouth near the jaw membrane ( i.e. without. % occurring in this location and has a groove that lets in one of the.! Commonly referred to as the malar bone, frontal, parietal, sphenoid, cognitive!
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