Week 6 - Dental terminology Flashcards
how many permanent teeth in total
32
types of teeth
molars, premolars, canine, incisors
crown?
upper visible part of teeth
enamel?
hard white substance covering tooth
what does enamel protect
dentin beneath crown
gingival sulcus?
fold between tooth & gum
where does dental plaque & tartar accumulate
gingival sulcus
dentin?
hard tissue that forms body of tooth
how does dentin appear when enamel layer thins
yellow
dental pulp?
soft tissue in middle of tooth containing nerves & vessels
what covers root
cementum
root?
part of tooth surrounded by alveolar bone
occlusal surface?
chewing surface of posterior teeth
incisal edge
biting edge of anterior teeth
mesial surface?
surface closer to midline
distal surface?
surface away from midline
labial surface
surface towards lips
buccal surface
surface towards cheeks
how many teeth in each quadrant
total = 8
2 incisors
1 canine
2 premolar
3 molars
where does quadrant 1 begin till quadrant 4
upper right > upper left > lower left > lower right
how many primary teeth
20 total
how many primary teeth in each quadrant
total = 5; no premolars, no 3rd molar
2 incisors
1 canine
2 molars
how to differentiate primary & adult teeth based on numbering
adult teeth starts from 1X - 4X
primary teeth starts from 5X - 8X
periapicals & bitewings are example of
intra-oral radiographs
panoramic imaging & lateral cephalometry are example of
extra oral radiographs
CBCT?
cone beam computed tomography
MDCT?
multidetector computed tomography
MRI?
magnetic resonance imaging
shape of maxillary incisors
trapezoidal
shape of mandibular incisors
narrow
function of maxillary & mandibular incisors
shear & cutting food
root & cusp of maxillary & mandibular incisors
single rooted with no cusps
maxillary canine found where
between lateral incisor & first premolar
roots & cusps of maxillary canine
single root, 1 cusp, pointed edge
which tooth has the longest root of all teeth
maxillary canine
function of maxillary canine
rip & tear food