restorative art - bones of the face and cranium
where is the squama located?
Vertical portion of the Temporal Bone
name the four structures used to establish the correct position of the ear
Zygomatic Arch, Mandibular Fossa, Mastoid Process, External Auditory Meatus
Mastoid Process
a rounded protuberance located at the inferior portion of the temporal bone
name the boundaries of parietal articulation
coronal, squamosal, mandibular
name the superior surface of the ethmoid bone
cribriform plate
name the opening in the occipital bone that allows entry of the spinal cord
foramen magnum
Frontal Bone
forehead bone
what are the rounded unimagined prominences at the upper part of the forehead?
frontal eminence
name the bony ridge or ledge on the lateral wall of the nasal cavity
inferior nasal conchae
what suture creates the hinge for the lower jaw?
mandibular fossa
female forehead
nearly vertical
what bone is the lowest part of the back and base of the skull?
occipital
what is the eminence found on the occipital bone?
occipital protuberance
female skull size
6.5mm
male skull size
7.1mm
how many bones in the cranium?
8
the purposes of the skull are to
protect the brain, support the jaws, serve as an attachment for muscles, give form to the head
name the bone that comes from the Greek word for "sieve"
ethmoid
what is the proper name for the opening of the ear passage?
external auditory meatus
the bones of the cranium are referred to as?
flat bones
name the suture that is responsible for recession of the central plane of the lower lip
incisive fossa
name the bone that comes from the Latin word for tears
lacrimal
what is the suture between the parietal and occipital bones?
lambdiodal suture
what part of the sphenoid bone might be described as resembling a pair of horns
lesser wing
what bone articulates at the medial line just below the nasal cavity
maxilla
what landmark is located on the midline of the mandible?
mental eminence
what are the 4 sutures of the infant skull?
metopic, coronal, sagittal, lambdoid
what bones are directly inferior to the glabella?
nasal bone
what bone refers to the roof of the mouth?
palatine
what two bones create the greater part of the skull?
parietal bones
The widest part of the cranium is measured between what boney landmarks?
parietal eminences
what part of the ethmoid bone extends into the nasal cavity?
perpendicular plate
female mandible tip (chin)
pointed
what is the perpendicular structure on each side of the mandible?
ramus (ramus of the mandible)
name the suture between the two parietal bones
sagittal suture
name the formation on the sphenoid bone that cradles the pituitary gland
sella turcica
cranium
skull without the mandible
male forehead
slopes backward, more prominent, less round
which bone is shaped like a bat or butterfly?
sphenoid
how many pairs of bones in the face?
6
how many single bones in the cranium?
4 Frontal, Occipital, Sphenoid, Ethmoid.
how many bones in the infant skull?
5 bones
name the bone that takes its name from the latin word for plowshares
vomer
what structure is used to establish the widest part of the face?
zygomatic arch
what bones are diamond-shaped?
zygomatic bone
what structure forms the later and lower rim of the eye socket?
zygomatic bone
how many pairs of bones in the cranium?
2 Parietal and Temporal
female skull size in
21-23in
male skull size inches
22-24in
infant skull size
1.14mm
infant skull size inches
13 3/4in
how many bones in the face?
14
what do we call the sockets for the teeth?
alveolar process
What bone is shaped like a horseshoe?
body of the mandible
what process of the ramus rests in the mandibular fossa?
condyle of the ramus
Name the suture between the parietal bones and the frontal bone
coronal
male mandible tip (chin)
squarer
what bony landmark lies above the medial ends of the eyebrows?
superciliary arches
name the upper rim of the eye socket
supraorbital margin
What pair of bones (L &R) create's the lower portion of the sides and base of the cranium?
temporal
Angle of the Jaw
the angle formed by the juncture of the inferior edge of the body of the mandible with the posterior edge of the ramus of the mandible
Zygomatic Bone
the cheekbone
skull
the cranium and the mandible
Nasal Spine of the Maxilla
the sharp bony projection located medially at the inferior margin of the nasal cavity
Glabella
the smooth prominence between the eyebrows