100% Correct Answers
What are the 5 general rules of embrasures? - CORRECT ANSWER✔✔1. Occlusal embrasures
INCREASE in size from anterior to posterior
2. Gingival embrasures DECREASE in size from anterior to posterior
3. facial and lingual embrasures are EQUAL in size on ANTERIOR teeth
4. lingual embrasures are LARGER than facial embrasures with POSTERIOR teeth
5. They are symmetrical
How many point angles do all teeth have? What are their names? - CORRECT ANSWER✔✔4
Mesio-labio-incisal/occlusal
Mesio-linguo-incisal/occlusal
Disto-labio-incisal/occlusal
Disto-linguo-incisal/occlusal
How many line angles do ANTERIOR teeth have? What are their names? - CORRECT
ANSWER✔✔6
labioincisal
linguoincisal
mesiolabial
distolabial
mesiolingual
distolingual
, How many line angles do POSTERIOR teeth have? What are their names? - CORRECT
ANSWER✔✔8
bucco-occlusal
mesio-occlusal
disto-occlusal
linguo-occlusal
mesio-buccal
mesio-loingual
disto-buccal
disto-lingual
Which posterior tooth does not have a transverse ridge? - CORRECT ANSWER✔✔Mandibular
2nd PM (3 cusp-type)
Which PM has a central fossa and a central pit? - CORRECT ANSWER✔✔Mandibular 2nd PM (3
cusp-type)
The mesial depression extends onto the crown of which tooth? - CORRECT
ANSWER✔✔Maxillary 1st PM
Where is the proximal HOC on the premolars? - CORRECT ANSWER✔✔Just cervical to junction
of occlusal and middle 1/3
What are the 6 boundaries of the occlusal table of premolars? - CORRECT ANSWER✔✔Mesial
marginal ridge
Mesial cusp ridge of buccal cusp
Distal cusp ridge of buccal cusp
Distal marginal ridge