Land Marks Flashcards
Lingual Forman
Small radiolucent circle under central incisors on mandible
Nutrient canals
Radiolucent (or band) vertical direction
Mental ridge
Thick, radiopaque bands that meet in middle of chin (V shape)
Inferior border of mandible
Radiopaque band (jaw)
Mental Forman
Radiolucent hole on each side of chin
Genial tubercles
Radiopaque, Around lingual Forman (attachment site for muscle)
Mental fossa
Thinner bone around chin (radiolucent)
External oblique ridge
Behind molars (cross-cross over molars) radiopaque
Submandibular fossa
Radiolucent (on back of jaw, under premolars and molars)
Mylohyoid line
Radiopaque (along bottom of roots of molars)
Mandibular canal
Radiopaque - runs along myelohyoid line
Aveolar crest
Bone between teeth “gum line”, radiopaque
Lamina dura
Around teeth “pocket” radiopaque
Nasal fossa
Nose hole radiolucent
Nasal septum
Divides basal fossa - radiopaque
Anterior nasal spine
Line from septum to between teeth radiolucent (forms point of nasal floor)
Incisive Forman
Hole in palate behind front teeth (radiolucent)
Inferior turbinate
Pointy structures within nasal fossa
Lateral fossa
Thin bone between canine and incisor - radiolucent
Floor of nasal cavity
Comes to point - radiopaque
Nasal concha
Radiopaque swirls in nose
Floor of maxillary
drapes over roots of premolar/molar) radiolucent
Zygomatic bone
Sticks out, thick, u/j shape- radiopaque
Zygomatic arch
From bone to ear radiopaque
Hamular
Sharp, back of palate, middle - radiopaque
Maxillary Tuberosity
End of palate behind last tooth bone - radiopaque
