Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
64 Cards in this Set
- Front
- Back
|
how does cortical bone appear? |
radiopaque |
|
|
is cortical bone dense or soft? |
dense |
|
|
how does cancellous bone appear? |
radiolucent - marrow opaque - trabeculae |
|
|
where is cancellous bone located? |
between 2 layers of cortical bone |
|
|
is cancellous bone soft or dense? |
soft |
|
|
what is another name for cortical bone? |
compact |
|
|
enamel |
|
|
dentin |
|
|
alveolar bone |
|
|
lamina dura |
|
|
what is the densest structure found in the body? |
enamel |
|
|
what is the most opaque structure of the tooth? |
enamel |
|
|
what is medullary space? |
spaces where marrow fills in the trabeculae area |
|
radiolucent area |
PDL space |
|
|
pulp |
|
|
nasal cavity |
|
|
nasal spine |
|
|
nasal septum |
|
|
floor of nasal cavity |
|
|
what is the incisive foramen? |
opening or hole in bone at midline in most anterior position of hard palate |
|
|
incisive foramen |
|
radiolucent line |
median palatal suture |
|
|
what is the nasal spine? |
sharp projection of maxilla in the anterior and inferior portion of the nasal cavity |
|
|
lateral fossa |
|
|
inverted Y |
|
|
anterior border of maxillary sinus |
|
|
floor of nasal cavity |
|
|
t/f: in the inverted Y, the maxillary sinus is more anterior and the nasal cavity is more posterior. |
false - switch |
|
|
on what can you only see the inverted Y? |
on a maxillary PA superior to canine |
|
|
what is the maxillary sinus ? |
paired cavity of bone in the maxilla |
|
|
where is the maxillary sinus located? |
superior to apices of maxillary premolar and molars |
|
|
what is the floor of the maxilary sinus made of? |
compact bone |
|
radiolucent area |
maxillary sinus |
|
|
where is the zygomatic process located? |
superior to maxillary molars |
|
radiopaque |
zygomatic process |
|
|
zygoma |
|
|
where is the zygoma located? |
posterior to zygomatic process |
|
radiopaque |
septa or floor of sinus |
|
|
maxillary tuberosity |
|
|
hamulus |
|
|
what is the only view you will see the hamulus? |
3rd molar
|
|
|
what does the hamulus come off of? |
sphenoid |
|
|
coronoid process |
|
|
what is the only mandibular landmark visible in the maxillary radiograph? |
coronoid process |
|
|
what is the condition where the sinus drops to the edge of the alveolus after an extraction? |
pneumatization |
|
|
pneumatization |
|
|
mental ridges |
|
|
what are the mental ridges made of? |
cortical bone |
|
radiopaque |
genial tubercles |
|
radiolucent |
lingual foramen |
|
radiolucent |
mental fossa |
|
|
where is the mental fossa found? |
above the mental ridges |
|
|
nutrient channels |
|
|
nutrient channels |
|
|
what do the nutrient channels contain? |
nerves and blood vessels that supply teeth |
|
|
mental foramen |
|
|
where is the mental foramen usually located? |
between premolars on mandible |
|
|
mandibular canal |
|
|
internal oblique ridge |
|
|
external oblique ridge |
|
radiopaque |
mylohyoid ridge |
|
radiolucent |
submandibular fossa |
|
|
what is the submandibular fossa? |
depressed area of bone inferior to milohyoid bone |
|
|
what is found in the submandibular fossa? |
submandibular salivary gland |
