Maxilla Flashcards
What is the function of the maxilla?
(Forms 5 things)
Helps form:
Face
Infratemporal region
Orbital floor
Lateral wall of nasal cavity
Roof of oral cavity
What is the maxilla made up of ?
Two maxillary bones joint together at the midline
What are the 4 maxillary processes ?
Alveolar
Zygomatic
Frontal
Palatine
What is the alveolar process?
(Maxillary process)
Forms the sockets and supporting bone for maxillary teeth
What is the zygomatic process ?
(Maxillary process) bum
Buttressing contribution to the zygomatic arch
What is the palatine process?
(Maxillary process)
Forms roof of the oral and nasal cavity
What is the frontal process?
(Maxillary process)
Bar of bone that projects upward from the anterosuperior aspect to contact the frontal bone
What are the 4 surfaces of the maxilla ?
Facial
Nasal
Orbital
Infratemporal
What abnormalities can occur to the maxilla ?
Cleft palate and lip
What does the nasal (medical) surface of the maxilla form?
Bulk of lateral wall of nasal cavity
What does the orbital surface of the maxilla form?
The floor of the orbit
What does the facial anterior surface of the maxilla form?
Helps form the upper face
What does the Infratemporal (posterior) surface of the maxilla form?
Wall of the Infratemporal region
What features on the maxillary bones from the frontal view ?
Frontal process
Intraorbital foramen
Zygomatic process
Anterior nasal spine
Canine eminence
What features on the maxillary bones from a lateral view ?
Frontal process
Infra - orbital foramen
Anterior nasal spine
Alveolar margin
Orbital surface
Zygomatic process
Maxillary bone
