Permanent Maxillary Molars Flashcards
How many buccal cusps do both maxillary first and second molars have and what are they?
two, mesiobuccal and distobuccal
Which cusp is wider mesiodistally than distobuccally on both maxillary molars?
mesiobuccal
Between which cusps is there a buccal groove evident on both molars?
buccal cusps
Which side of the crown tapers shorter? distal or mesial
distal
Which cusp is longer? mesiobuccal or distobuccal?
mesiobuccal
What is the widest tooth in the maxillary arch?
maxillary first molar
How many roots are on both first and second maxillary molars and what are they?
three, mesiobuccal, distobuccal, and lingual
Which maxillary molar has roots that are less spread out, less curved, and longer root trunks?
second
Which maxillary molar has roots that are more spread out with buccal roots bending distally and root trunks that are relatively long
first
Which maxillary molars have longer root trunks?
second
Which maxillary molar has roots that bend distally in the apical third?
second
Is the mesiobuccal or distobuccal root longer on both maxillary molars?
mesiobuccal
Which direction does the crown tilt on the root base with the occlusal surface shorter on distal for both maxillary molars?
distally
Which maxillary molar often has a cusp of carabelli?
first
How many lingual cusps do the maxillary first molars have and what are they?
three, mesiolingual, distolingual, and carabelli
If the second molar has one lingual cusp, which cusp is absent?
distolingual
Which cusp is larger than the distolingual cusp on first molars?
mesiolingual
What is the smallest cusp on first molars?
cusp of carabelli