Final Exam Review Questions Flashcards
in the permanent maxillary first molar, the ___ ___ is larger than the lingual
- buccal embrasure
- this is opposite of normal
from the proximal view of the permanent mandibular canine, it makes a ___ shape from crown tip to root apex
C
the primary mandibular central incisor has the smallest ___ dimension
labiolingual
the permanent mandibular central incisor is ___ than the mandibular; this is ___ of the maxillary incisors
- smaller
- opposite
eruption of primary teeth begins and ends at about what ages?
- begins around 6 months
- ends around 30 months
in the primary maxillary canine, the tip of the cusp is ___ to the center
distal
the occlusal outline from the occlusal view of the mandibular 1st premolar is ___ shaped
diamond
the primary maxillary canine’s ___ slope of the cusp is longer than the ___ slope
- mesial
- distal
the maxillary 2nd premolar has ___ that are equal in size compared to any other posterior tooth
fossa
the permanent mandibular central incisor is the most ___ symmetrical
bilaterally
the maxillary 3rd molar has a single antagonist. what does this mean?
it occludes with only one tooth
the apex of the the mandibular 2nd premolar root approximates what feature of the mandible?
mental foramen
other than 3rd molars, the permanent maxillary lateral incisors are the most often congenitally ___ tooth
missing
in the permanent maxillary first molar, the center of the oblique ridge is the same level as what?
the marginal ridges
the lingual cusp of the maxillary first premolar is offset to the ___
mesial
the permanent maxillary lateral incisors have a mesiodistal measurement that is nearly equal to the ___ measurement - this is the ___ of all anterior teeth
- labiolingual
- closest
the maxillary first premolar is the only premolar with a longer ___ ridge
mesial
overall, the CEJ dips deeper on what 4 teeth/ asepcts of teeth?
- anterior teeth than posterior
- maxillary teeth than mandibular
- mesial side of the tooth than distal
the mandibular 2nd premolar is the only premolar with what 3 things?
- multiple lingual cusps
- lingual groove
- central fossa
what is the shape of the cross section of the permanent maxillary first molar at the cervix, and what is this shape a result of?
- triangular
- due to the three root configuration
the permanent mandibular canine is the anterior tooth that most freqently exhibits a ___ root. it is positioned ___ and ___.
- bifurcated
- labial
- lingual
the maxillary first premolar’s mesial slope (mesial cusp ridge) of the buccal cusp is ___ than the distal slope
longer
the permanent maxillary central incisors are the non-molar teeth that most frequently have ___ and ___ pulp horns
mesial and distal
in normal occlusion, the lingual cusp of the mandibular 1st premolar does not ___. in other words, it is not a “___”
- occlude
- working cusp
the maxillary first premolar has the most pronouned ___ groove
mesiomarginal
mamelons present after age 10 indicates a possible sign of ___
malocclusion
the maxillary 3rd molar is frequently ___-shaped. which cusp is it missing?
- heart
- distolingual cusp is missing
the mesial surface of the permanent mandibular canine crown is almost ___ to the long axis
parallel
the permanent maxillary canine has a large ___
cingulum
the permanent maxillary canine is referred to as what?
the cornerstone of the dental arches
the primary mandibular 2nd molar resembles what tooth?
permanent mandibular 1st molar
the mesiodistal diameter of primary maxillary central incisors is ___ than the cervicoincisal length
greater
the primary maxillary 2nd molar resembles which tooth?
the permanent maxillary 1st molar
from the proximal view, the permanent maxillary canine is positioned with the most ___ axis
vertical
the permanent mandibular 1st molar has how many roots with how many pulpal canals? where are the pulpal canals located?
- 2 large roots with 3 pulpal canals (total)
- 1 pulpal canal in the distal root, 2 pulpal canals in the mesial root
which two teeth have longer mesial ridges?
permanent maxillary 1st premolar and primary maxillary canine
the permanent maxillary lateral incisors has the most prominent ___ of all anterior teeth
marginal ridges
the cusp tip of the permanent maxillary canine is located ___ to the long axis; from the incisal view, more of the ___ is visible
- labial
- lingual
what is the general order of eruption of primary teeth?
- centrals
- laterals
- 1st molars
- canines
- 2nd molars
- lower before upper, except lateral incisors
the nondescript, pointed form of the permanent maxillary lateral incisors is called a ___
peg lateral
the distolingual cusp of the permanent maxillary first molar is the only one that is not part of the ___ ___ ___ ___ ___
maxillary molar primary cusp triangle (MB-ML-DB)
the mesiolingual cusp of the primary mandibular 1st molar is the ___ and ___ of all cusps
highest and sharpest
which tooth is the most likely to be forced into the maxillary sinus during an extraction?
maxillary 1st molar
the permanent mandibular canine has a ___ mesially on the root that is more ___ and can be ___
- developmental depression
- pronounced
- deep
the permanent mandibular 1st molar has 2 ___ and 1 ___ groove, and they all converge at the ___ ___
- buccal
- lingual
- central pit
how many cusps does the permanent maxillary first molar have? how many are major and how many are minor?
- 5 total
- 4 major, 1 minor
the permanent mandibular canine is more narrow ___ than the maxillary canine
mesiodistally
the mandibular 1st premolar has a uniquely prominent ___ ridge with no ___ groove, and separate ___ and ___ pits
- triangular
- central
- mesial and distal
newly erupted permanent maxillary central incisors may have ___
mamelons
each tooth has 3 mamelons, representing developmental grooves
the mandibular 2nd premolar is the premolar that most frequently has a single ___ ___
central pit
what is the only tooth the maxillary 3rd molar occludes with?
mandibular 3rd molar
compared to permanent teeth, primary teeth are ___ pigmented, giving them a ___ appearance
- less
- whiter
compared to permanent teeth, the cervical ridges of enamel of primary anterior teeth are more ___
prominent; they bulge
the primary mandibular 1st molar has a distinct ___ ridge connecting which two cusps?
- transverse ridge (2 triangular ridges that come together)
- connects MB and ML cusps
the mandibular 3rd molar has the ___ roots of any mandibular tooth
shortest
compared to permanent teeth, crowns and roots of primary molars at their cervical portion are more ___ mesiodistally
slender
the permanent maxillary first molar is wider ___ than ___
buccolingual than mesiodistal
instead of a long central groove with a few supplemental grooves, the maxillary 2nd premolar has a ___ central groove and a lot of ___ grooves
- short
- supplemental
- this give the tooth a wrinkly appearance
roots of the primary maxillary 1st molar resemble roots of which teeth? what is the difference?
- permanent maxillary first molar
- the primary maxillary first molar roots are thinner and more flared
compared to permanent teeth, cervical ridges bucally on primary molars are much more pronounced, especially on which teeth?
maxillary and mandibular 1st molars
how many roots does the permanent maxillary first molar have? name them from largest to smallest.
- 3
- palatal, mesiobuccal (widest buccolingually), distobuccal
the permanent maxillary first molar usually appears when the child is ___ years old
6
the permanent maxillary 2nd molar has a small ___ cusp
distolingual
compared to permanent teeth, roots of primary anterior teeth are ___ and ___ comparatively
narrower and longer
cross section of the permanent mandibular canine’s root is ___ or ___. it is flattened in a ___ direction.
- irregularly oval or ovoid
- mesiodistal
the permanent maxillary lateral incisors exhibit the most variations in crown __/__ than any other tooth except the ___
- shape/morphology
- 3rd molars
the permanent maxillary canine has a ___ bulge
distal
the crown of the permanent mandibular 2nd molar inclines to the ___ and ___
lingual and mesial
the permanent mandibular canine crown is ___ than the maxillary canine
longer
the distolingual groove of the permanent maxillary 2nd molar is similar to what tooth?
first molar
the permanent mandibular 1st molar crown is wider ___ than ___. this is the opposite of which tooth?
- mesiodistally
- buccolingually
- this is the opposite of the maxillary 1st molar
the permanent maxillary central incisors has measurements nearly identical for ___ vs ___
incisocervical vs mesiodistal
the occlusal view of the permanent mandibular 2nd molar has what type of pattern?
cross or cruciform
the permanent maxillary canine has the ___ cervical prominence of any anterior tooth
greatest
the primary mandibular 1st molar has the most distinctly prominent ___ cervical ridge in the primary dentition
buccal/facial
the maxillary first premolar crown is shorter than the canine, but it is the premolar with the ___ cusp inclines and has the ___ cervico-occlusal crown height of posterior teeth
- steepest
- greatest
the permanent maxillary central incisors have the ___ cervical curvature on the mesial of any other tooth
- greatest
- referring to the CEJ
the permanent mandibular 2nd molar roots are ___ together and incline ___
- closer
- distally