Board type questions Flashcards
Distal contact of max LI vs mesial contact of max C
Distal contact of Max LI: middle third
Mesial contact of max C: junction
Where is the largest incisal embrasure of ant teeth
between max LI and max C
Where are crown concavities found?
Mesial: max 1P
Distal: max 1M (near cervical line)
outline of ant teeth from proximal view
triangle
shape of interproximal space (cervical embrasure)
triangle
groove on mand 2P w/ two cusp shape
U or H
groove on mand 2P w/ three cusp shape
Y
occlusal outline of maxillary molars
rhomboid
proximal outline of crowns of mandibular post. teeth
rhomboid
occlusal outline of maxillary molars w/ 3 cusps (no DL cusp)
Heart
outline of root or pulp chamber of max 1P
kidney
occlusal shape of mand 1M
pentagon
facial outline of canine or premolar crowns
pentagon
Largest cusp of mand 1M
mesiobuccal
Longest crown of max post teeth
1P
Most likely ant tooth to be missing
Max LI
What teeth most likely to have three cusps
Mand 2P
Max 2M
What is the primary cusp triangle
Three cusps on max molars
MB, DB and ML
How many lobes form incisors, canines and most premolars
4
What tooth has a prominent transverse ridge in mesial half of occlusal table
primary mand 1M
What is the central fossa line?
line b/w posterior tooth cusps
Occlusal tables make up ______% of total buccolingual length of post teeth
55-65%
When do permanent mand CI begin calcifying?
3-4 months
When do permanent 1M begin calcifying?
about birth
When does the mesial contact of perm 1M contacts the distal side of primary 2M
8 years
What causes primate spaces
Growth of jaw bones
How many teeth are present at age 8?
24
18 primary
6 permanent
What root shape is most likely to have 2 root canals vs just 1
Oval shaped roots more likely than round shaped roots to have 2 root canals
Which ant tooth is most likely to have 2 root canals?
Mand C
occlusion of max 1P lingual cusp
Only mand 1P due to mesial orientation of lingual cusp
Long buccal n crosses over which muscle?
masseter
Which nerves are in the infratemporal fossa
inf alveolar n, lingual n, lesser palatine n
Parotid gland is serous or mucous or mixed
serous
What is operculum
extension of gingival tissue overlying crown of erupting tooth
infection may lead to pericoronitis
