Flashcards in Mandibular 2nd molar arch traits Deck (12):
at what age do they erupt?
at what age is the root completed?
what creates equal sized cusps?
root trunk length compared to 1st molar
is longer than the 1st molar
contacts from the lingual view
mesial: junction of occlusal and middle 1/3
distal: junction of occlusal and middle 1/3
are the cusps the same size from the lingual view?
proximal surfaces compared to the 1st molar
they exhibit less convergence
what are the height of contours from the mesial view
buccal: cervical 1/3
lingual: middle 1/3
what is visible from the distal view?
the occlusal table because the DMR
how many cusps and what are they from the occlusal view?
MB, ML, DB, DL
is the buccal or lingual surface more visible from the occlusal view?
more buccal surface