Maxilla

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Bone: Maxilla
Side view. Maxilla visible at bottom left, in green.
Front view. Maxilla visible at center, in yellow.
Gray's	subject #38 157
Precursor	1st branchial arch[1]
MeSH	Maxilla
Dorlands / Elsevier	m_05/12517279

WikiDoc Resources for Maxilla
Articles
Most recent articles on Maxilla Most cited articles on Maxilla Review articles on Maxilla Articles on Maxilla in N Eng J Med, Lancet, BMJ
Media
Powerpoint slides on Maxilla Images of Maxilla Photos of Maxilla Podcasts & MP3s on Maxilla Videos on Maxilla
Evidence Based Medicine
Cochrane Collaboration on Maxilla Bandolier on Maxilla TRIP on Maxilla
Clinical Trials
Ongoing Trials on Maxilla at Clinical Trials.gov Trial results on Maxilla Clinical Trials on Maxilla at Google
Guidelines / Policies / Govt
US National Guidelines Clearinghouse on Maxilla NICE Guidance on Maxilla NHS PRODIGY Guidance FDA on Maxilla CDC on Maxilla
Books
Books on Maxilla
News
Maxilla in the news Be alerted to news on Maxilla News trends on Maxilla
Commentary
Blogs on Maxilla
Definitions
Definitions of Maxilla
Patient Resources / Community
Patient resources on Maxilla Discussion groups on Maxilla Patient Handouts on Maxilla Directions to Hospitals Treating Maxilla Risk calculators and risk factors for Maxilla
Healthcare Provider Resources
Symptoms of Maxilla Causes & Risk Factors for Maxilla Diagnostic studies for Maxilla Treatment of Maxilla
Continuing Medical Education (CME)
CME Programs on Maxilla
International
Maxilla en Espanol Maxilla en Francais
Businness
Maxilla in the Marketplace Patents on Maxilla
Experimental / Informatics
List of terms related to Maxilla

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The maxilla (plural: maxillae) is a fusion of two bones along the palatal fissure that form the upper jaw. This is similar to the mandible, which is also a fusion of two halves at the mental symphysis.

Function

The alveolar process of the maxilla holds the upper teeth, and is referred to as the maxillary arch. The maxilla attaches laterally to the zygomatic bones (cheek bones).

The maxilla assists in forming the boundaries of three cavities:

• the roof of the mouth
• the floor and lateral wall of the nasal antrum
• the floor of the orbit

The maxilla also enters into the formation of two fossae: the infratemporal and pterygopalatine, and two fissures, the inferior orbital and pterygomaxillary.

Components

Each half of the fused maxilla consists of:

• The body of the maxilla
• Four processes
  • The zygomatic process
  • The frontal process
  • The alveolar process
  • The palatine process
• Infraorbital foramen

Articulations

The maxilla articulates with nine bones:

• two of the cranium: the frontal and ethmoid
• seven of the face: the nasal, zygomatic, lacrimal, inferior nasal concha, palatine, vomer, and the adjacent fused maxillary bone.

Sometimes it articulates with the orbital surface, and sometimes with the lateral pterygoid plate of the sphenoid.

Additional images

The seven bones which articulate to form the orbit.	Facial bones.	Left maxilla. Outer surface.	Left maxilla. Nasal surface.
Left maxillary sinus opened from the exterior.	The bony palate and alveolar arch.	Sphenoid bone visible center right.	Articulation of left palatine bone with maxilla.
Side view of the teeth and jaws.

See also

• Bone terminology
• Terms for anatomical location
• Ossification of maxilla
• Hypostome
• Maxillofacial surgery

References

External links

• SUNY Labs 22:os-1901

This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.

v • d • e The Bones which form the Orbit
Frontal bone • Zygomatic bone • Maxillary bone • Sphenoid bone • Ethmoid bone • Palatine bone • Lacrimal bone

v • d • e Bones of head and neck: the facial bones of the skull
Maxilla	Surfaces Anterior: fossae (Incisive fossa, Canine fossa) - Infraorbital foramen - Anterior nasal spine Infratemporal: Alveolar canals - Maxillary tuberosity Orbital: Infraorbital groove - Infraorbital canal Nasal: Pterygopalatine canal Processes Zygomatic process Frontal process (Agger nasi, Anterior lacrimal crest) Alveolar process Palatine process (Incisive foramen, Incisive canals, Foramina of Scarpa, Incisive bone, Anterior nasal spine) Other Body of maxilla - Maxillary sinus
Zygomatic	Orbital process (Zygomatico-orbital) - Temporal process (Zygomaticotemporal) - Lateral process (Zygomaticofacial)
Palatine	Fossae Pterygopalatine fossa - Pterygoid fossa Plates Horizontal plate (Posterior nasal spine) - Perpendicular plate (Pterygopalatine canal, Sphenopalatine foramen, Pyramidal process) Processes Orbital - Sphenoidal
Mandible	Body external surface (Symphysis menti, Mental protuberance, Mental foramen) - internal surface (Mental spine, Mylohyoid line, Sublingual fovea, Submandibular fovea) - Alveolar part of mandible Ramus Mylohyoid groove (Mandibular canal, Lingula) - Mandibular foramen - Angle Coronoid process - Mandibular notch - Condyloid process
Minor/ nose	Nasal bone: Internasal suture - Nasal foramina Inferior nasal concha: Ethmoidal process - Maxillary process Vomer: Wing Lacrimal: Posterior lacrimal crest - Lacrimal groove - Lacrimal hamulus

v • d • e WikiDoc Research Resources for Maxilla
Articles on Maxilla	Most recent articles on Maxilla • Most cited articles on Maxilla • Review articles on Maxilla • Articles on Maxilla in N Eng J Med, Lancet, BMJ
Media (Slides, Video, Images, MP3) on Maxilla	Powerpoint slides on Maxilla • Images of Maxilla • Photos of Maxilla • Podcasts & MP3s on Maxilla • Videos on Maxilla
Evidence Based Medicine Regarding Maxilla	Cochrane Collaboration on Maxilla • Bandolier on Maxilla • TRIP on Maxilla
Cost Effectiveness of Maxilla	Cost Effectiveness of Maxilla
Clinical Trials Involving Maxilla	Ongoing Trials on Maxilla at Clinical Trials.gov • Trial results on Maxilla • Clinical Trials on Maxilla at Google
Guidelines / Policies / Government Resources (FDA/CDC) Regarding Maxilla	US National Guidelines Clearinghouse on Maxilla • NICE Guidance on Maxilla • NHS PRODIGY Guidance • FDA on Maxilla • CDC on Maxilla
Textbook Information on Maxilla	Books and Textbook Information on Maxilla
Pharmacology Resources on Maxilla	Dosing of Maxilla • Drug interactions with Maxilla • Side effects of Maxilla • Allergic reactions to Maxilla • Overdose information on Maxilla • Carcinogenicity information on Maxilla • Maxilla in pregnancy • Pharmacokinetics of Maxilla •
Genetics, Pharmacogenomics, and Proteinomics of Maxilla	Genetics of Maxilla • Pharmacogenomics of Maxilla • Proteomics of Maxilla
Newstories on Maxilla	Maxilla in the news • Be alerted to news on Maxilla • News trends on Maxilla
Commentary on Maxilla	Blogs on Maxilla
Patient Resources on Maxilla	Patient resources on Maxilla • Discussion groups on Maxilla • Patient Handouts on Maxilla • Directions to Hospitals Treating Maxilla • Risk calculators and risk factors for Maxilla
Healthcare Provider Resources on Maxilla	Symptoms of Maxilla • Causes & Risk Factors for Maxilla • Diagnostic studies for Maxilla • Treatment of Maxilla
Continuing Medical Education (CME) Programs on Maxilla	CME Programs on Maxilla
International Resources on Maxilla	Maxilla en Espanol • Maxilla en Francais
Business Resources on Maxilla	Maxilla in the Marketplace • Patents on Maxilla
Informatics Resources on Maxilla	List of terms related to Maxilla

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Acknowledgement and Attribution Regarding Sources of Content

Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .