Term
what is the only moveable bone in the skull? |
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Definition
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Term
what is a moveable bone in neck? |
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Definition
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Term
how does the mandible move? |
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Definition
the condyle of mandible moves within articular fossa of temporal bone |
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Term
what is the best view of the is squamous suture |
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Definition
lateral view on both sides
(between parietal and temporal bones) |
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Term
why is the pterygoid process of the sphenoid an important feature of the skull to the dental professional? |
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Definition
pterygoid process of sphenoid serves as an attachment for muscles of mastication |
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Term
is the pterygoid process visible in maxillary or mandibular perapical radiographs? |
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Definition
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Term
what bony landmark does the sense of smell carry through olfactory nerves? |
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Definition
the cribiform plate is the superior horizontal portion of ethmoid bone that is perforated for passage of olfactory nerves. |
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Term
what is the crista galli an area of attachment for? |
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Definition
the crista galli is vertical projection of ethmoid bone and attaches through meninges. |
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Term
what does the perpendicular plate of the ethmoid bone form? |
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Definition
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Term
which bony feature increases the surface area in nasal cavity? |
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Definition
inferior nasal conchae
it is scroll shaped and increases surface area covered with mucous membranes. |
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Term
what portion of orbit is small fragile bones that form a portion of anterior medial wall of orbit? |
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Definition
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Term
what forms bridge of nose? |
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Definition
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Term
name some facial bones that are paired |
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Definition
maxillary
lacrimal
zygomatic |
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Term
what is a paired cranial bone? |
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Definition
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Term
what suture articulates the occipital and parietal bone? |
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Definition
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Term
what does the coronal suture connect? |
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Definition
parietal and frontal bones |
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Term
what does the squamous suture connect? |
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Definition
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Term
what does the sagittal suture connect? |
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Definition
parietal and parietal at top of head |
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Term
what is the bony landmark is a depression located between the coronoid process and ramus of mandible? |
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Definition
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Term
what is located on anterior border of ramus inferior to coronoid process? |
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Definition
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Term
what is located on internal surface of ramus? |
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Definition
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Term
what is located inferior to the mylohyoid line or ridge on the body of mandible? |
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Definition
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Term
where does th condyle of the mandible move in relationship to the temporal bone? |
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Definition
articular fossa of temporal bone |
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Term
what landmark of mandible is most inferior? |
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Definition
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Term
where is retromolar triangle? |
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Definition
about same location of bone where retromolar pad is to teeth. |
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Term
what is located on internal surface of ramus, superior to body of mandible? |
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Definition
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Term
The mylohyoid line is located where? |
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Definition
internal surface of body of mandible superior to submandibular fossa. |
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Term
what is the process that forms the lateral portion of the infraorbital rim? |
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Definition
maxillary process of zygomatic bone |
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Term
the temporal process of the zygomatic bone articulates with the temporal bone and forms what? |
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Definition
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Term
what does the frontal process of the maxilla form? |
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Definition
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Term
what is the process of maxilla that surrounds teeth? |
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Definition
alveolar process of maxilla |
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Term
is the origin of a muscle attached to the most or least moveable structure? |
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Definition
the origin goes with least moveable structure |
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Term
the insertion of a muscle is generally attached to the least moveable struture
true / false |
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Definition
false
insertion would go with most moveable |
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Term
what are the suprahyoid muscles? |
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Definition
digastric
mylohyoid
stylohyoid
geniohyoid |
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Term
what are infrahyoid muscles? |
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Definition
sternothyroid
sternohyoid
omohyoid
thyrohyoid |
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Term
what is the location of digastric muscle? |
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Definition
it is anterior and posterior
-anterior belly originates on a tendon on body of hyoid bone and inserts to symphsis on internal surface of mandible.
-posterior belly originates on mastoid notch and inserts into intermediate tendon on hyoid bone. |
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Term
what is the suprahyoid muscle that makes up the floor of mouth? |
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Definition
mylohyoid
-originates at mylohyoid line of mandible
-inserts medially into the opposite mylohyoid muscle and into the hyoid bone. |
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Term
what suprahyoid muscle originates on styloid process and inserts into hyoid bone? |
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Definition
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Term
what is the infrahyoid muscle located inferior to hyoid bone orginates on sternum and inserts into thyroid gland and cartilage? |
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Definition
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Term
what are the 3 intraoral landmarks that are origins of the buccinator muscle? |
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Definition
pterygomandibular raphe
alveolar process of maxilla
alveolar process of mandible |
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Term
what is the extrinsic muscle that retracts tongue? |
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Definition
styloglossis (specifically it moves tongue superiorly and posteriorly |
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Term
what does the palatoglossus muscle do? |
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Definition
it elevates tongue agains soft palate during swallowing |
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Term
are inferior longitudinal muscles intrinsic or extrinsic tongue muscles? |
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Definition
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Term
what does the genioglossus muscle do? |
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Definition
acts to protrude tongue forward |
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Term
do all 3 pharyngeal constrictors work to raise the pharynx and larynx when swallowing? |
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Definition
yes and the pharyngeal constrictors are:
superior
middle
inferior |
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Term
what are the extrinsic muscles of the tongue? |
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Definition
genioglossus
styloglossus
hyoglossus |
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Term
which of the following inserts into coronoid process:
-lateral pterygoid muscle
-masseter muscle
-medial pterygoid muscle
-temporalis muscle |
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Definition
the temporalis; it helps to elevate mandible
(originates at temporal fossa and inserts into coronoid process ) |
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Term
which muscle is associated with clenching of teeth due to repetitive muscle contraction? |
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Definition
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Term
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Definition
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Term
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Definition
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Term
what muscle of the mouth is a strong muscle of mastication involved in elevating the mandible and closing or clenching the mouth |
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Definition
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Term
what muscle of the mouth is used for elevating and retracting the mandible and closing the mouth? |
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Definition
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Term
what is the facial muscle used to lift corners of mouth while smiling |
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Definition
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Term
what muscle divides the neck into anterior and posterior cervical triangles? |
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Definition
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Term
what muscle serves to divide the anterior and posterior triangles into smaller triangles and is located more inferior? |
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Definition
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Term
what is the location of the platysma muscle? |
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Definition
anterior withing cervical triangle |
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Term
what is the flat, triangular shaped muscle that is located on the lateral and posterior surfaces of neck ? |
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Definition
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Term
what is the muscle that when unilaterally contracted deviates the mandible to one side? |
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Definition
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Term
what muscle when contracted causes a surprised facial expression? |
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Definition
epicranious/frontalis it raises eyebrows |
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Term
what muscle pulls skin of eyebrow medially and inferiorly when frowning? |
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Definition
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Term
what muscle encircles the eye and closes it? |
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Definition
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Term
what muscle lifts the corner of lip and contributes to a smile? |
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Definition
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Term
where do both ends of masseter originate? |
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Definition
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Term
what is another name for the articulate fossa of the temporomandibular joint? |
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Definition
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Term
where is the pterygoid fossa located? |
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Definition
between medial and lateral pterygoid plates of the sphenoid bone. |
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Term
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Definition
lateral surface of skull that contains the body of temporalis muscle. |
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Term
what is the depression between condyle and coronoid process? |
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Definition
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Term
what are the ligaments associated with TMJ? |
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Definition
temporomandibular joint ligament
sphenomandibular ligament
stylomandibular ligament |
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Term
what is the ligament associated with than tmj and is a landmark to administer inferior local anesthetic? |
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Definition
the sphenomandibular ligament is a landmark for administration the injection is at depth of ptyerygomandibular space |
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Term
TMJ allows movement of speech and mastication, what types of movement does it do? |
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Definition
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Term
a movement of jaw backward is called what? |
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Definition
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Term
what is the movement of lower jaw forward called? |
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Definition
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Term
lowering the jaw is called? |
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Definition
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Term
raising the jaw is called |
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Definition
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Term
opening the jaw during speech and masticaton involves both |
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Definition
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Term
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Definition
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Term
what TMJ movement occurs lateral deviation of the mandible shifting of lower jaw to one side? |
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Definition
gliding on one side, rotational on other side |
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Term
what is the term used for dislocation of both temporomandibular joints? |
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Definition
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Term
what is diffuse inflammation of soft tissue spaces? |
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Definition
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Term
what is an abnormal sensation from an area like burning or prickling? |
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Definition
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Term
what is an intravascular clot? |
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Definition
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