Chp 3/4 Flashcards
what premolar has the largest transverse ridge
MAND. 1st Premolar
Which premolar has a nonfuctional lingual cusp
MAND. 1st Premolar
Which premolar has a Y groove
MAND. 2nd Premolar 3 Cusp
Which premolar is widest Mesiodistally?
2nd premolar
Which maxillary premolar has the longer groove
1st premolar
Which premolar has a mesiolingual groove?
1st Max premolar
Which premolar has a diamond shape?
Mand 1st premolar
Which premolar has a H or U shape?
Mand 2nd premolar 2 cusp
Which has the deepest lingual fossa on the root?
Maxillary Canine
Which canine’s mesial slope is more horizontal?
mandibular
What does the wear faucet look like on a canine
diamond
What makes up a transverse ridge
2 triangular ridges
Distal developmental grooves
Distal marginal ridge
Distal fossa
Function of canines
tearing food
Which are the longest tooth in each arch
canine
Which canine has a longer crown
Mandibular
The deepest concavity on the canine root is called
the distal lingual fossa
What shape is the entire lingual outline of a canine
S shaped
Which teeth have a prominent labial ridge
canine
Are canines wider labiolingually or mesiodistally?
labiolingually
Which canine is narrower mesiodistally
Mand
On the maxillary canine which cusp ridge is shorter
mesial
Mesial contact area of maxillary canine
incisal and middle third
Which tooth is the longest and has the longest root
max canine
Longest tooth in mandible
mand canine
Lonest crown in the mouth
mand canine
Which canines cusps ridge is more horizontal
mand canine
Which canine is more prominent lingually (lingual ridge)
max canine
Which canines cingulum is more centered
maxillary
Which canines cingulum is more distal
mandible
Which canines lingually have elevated marginal mesial and distal ridges
max
Which canine has a more prominent prominent cingulum
Max
Which canine has a cusp tip that appears thicker faciolingually
max
Which canine has incisal wear more lingually
canine
Is the depression on the canine root larger mesialally and distally
distal
Which canine has to a more asymmetrical outline
Maxillary
Which canine has an incisal edge with the distal lingual twist
Mandibular
Which canine has the distal half of the crown pinched
Maxillary
Which premolar has a mesial cusp ridge of the buccal cusp longer than distal
Maxillary first premolar
Which premolar has a mesial cusp ridge longer than distal
Maxillary 1st
Which maxillary premolar has a depression more common mesial to the buccal ridge
Max 1st premolars
Where is the contact point mesially on the maxillary premolars
More occlusal
Which maxillary premolars has bulging shoulders
Maxillaryy 1st
Which maxillary premolars have a depression more common distal to the buccal ridge
Maxillary 2nd premolars
Which maxillary premolar has a crown that tapers towards the lingual
1st maxillary premolars
Which maxillary premolars has a mesial cusp ridge shorter than distal
Maxillary 2nd premolars
Which maxillary premolar has two roots
1st maxillary
Which maxillary premolar typically has a buccal cusp that is longer than the lingual
1st maxillary premolars
Which maxillary premolar has a pronounced mesial crown depression
1st
Which maxillary premolar always has a mesial marginal ridge groove
Maxillary 1st premolar
Which mandibular premolar has a mesial crown outline that is more concave or flat
Mand 1st
Where does the
maxillary first premolar/second premolar and mandibular first premolar mesial surface contact
Middle third
Which tooth has a severe lingual crown tilt
Mandibular first
The mesial contact area is located more incisally than is the distal contact area on the same tooth.
mandibular and maxillary canine
Which type of premolar is most likely to have separate mesial and distal pits with a pronounced transverse ridge but without a distinct central groove (so carious pits are often restored separately)?
Mandibular first premolar
When viewed from the proximal, which teeth are more likely to exhibit a lingual tilt of the crown relative to the root?
Mandibular premolars
Which premolar is most likely to have three cusps?
Mandibular second premolar
Which anterior tooth has a mesial cusp slope that is more nearly horizontal?
Mandibular canine
Which premolar has two major cusps almost the same size and length?
Maxillary second premolar
A depression found on the lingual surface of a canine bounded by the lingual ridge, distal cusp ridge, distal marginal ridge, and distal third of the cingulum is called a _____ ______.
distolingual fossa
The cingulum is centered mesiodistally.
all premolars
The __________ ridges and the __________ ridges make up the exterior boundary of the occlusal table.
cusp; marginal
If a mandibular second premolar has three cusps, what are they called?
Mesiolingual, distolingual, and buccal
When considering all premolars, which cusp is least developed?
Lingual cusp of the mandibular first premolar
When holding an extracted maxillary and mandibular canine from the same mouth, which characteristic(s) can be used to distinguish the maxillary canine?
The cusp of the maxillary canine is more pointed
The transverse ridge extends as a continuous elevation in a buccolingual direction to unite the ______ ______ of the buccal and lingual cusps of a mandibular first premolar.
Triangular ridges
Which of the following teeth is most likely to have a central fossa and a lingual groove?
Mandibular second premolar
Which posterior tooth is MOST likely to have a mesial longitudinal root depression more prominent than the distal root depression?
Maxillary first premolar
Which premolar (if any) normally has the mesial cusp ridge of its buccal cusp longer than the distal cusp ridge?
Maxillary first premolar
The crown of the permanent maxillary canine is ________the crown of the permanent mandibular canine.
shorter than
When viewed from the facial, what is the geometric shape of a premolar?
Pentagon shaped
Which premolar (if any) is most likely to have three cusps: one buccal and two lingual?
Mandibular second premolar
A Y-shaped occlusal groove pattern is characteristic of a:
Mandibular second premolar
One permanent premolar has a pronounced concavity on the cervical part of the crown. Which premolar and which surface is this?
Mesial surface of the maxillary first premolar
Which statement is NOT true when describing a mandibular canine?
The cingulum and marginal ridges are prominent compared to maxillary canines.
The mesial contact of the crown of the maxillary canine is located in the _____ of the crown.
junction of the incisal and middle thirds
Compared to a maxillary first premolar, a maxillary second premolar is most likely to exhibit:
A shorter central groove
Which premolar has a central fossa and two triangular fossae.
Mandibular second premolar ( three-cusp type )
Where is the mesial contact of the permanent mandibular canine located?
Incisal third
From the proximal view, which premolar most closely resembles a canine?
Mandibular first premolar
The only single-rooted tooth to have three cusps is the _______ ______ ______.
mandibular second premolar
On an unworn permanent canine (maxillary or mandibular), the distal cusp ridge is slightly__________ than the mesial cusp ridge.
longer
The distal contact area of the maxillary canine is located in the ____ of the crown.
center of the middle third
When the maxillary first premolar has more than one root, which description applies?
There are most often two roots: a facial and a lingual.
Two premolars that most frequently have a groove crossing the mesial marginal ridge or one groove just lingual to it.
Maxillary first premolar
Mandibular first premolar
Which tooth is most likely to have two roots?
Maxillary first premolar
Which of the following roots is, on average, the longest?
Root of a maxillary canine
Which is the largest maxillary premolar.
Maxillary first premolar
The mandibular second premolar often exhibits a linear depression extending lingually from the central pit, separating the two lingual cuspsAns: This linear depression is known as the _______ ______.
Lingual groove
With the long axis of the tooth vertical, which ridge is most nearly horizontal?
The mesial cusp ridge of the mandibular canine
Which premolar has a nonfunctional lingual cusp?
Mandibular first premolar
has a depression in the cervical one third of the mesial side of the crown and root
maxillary first premolar
Maxillary premolar that has the longer sharper buccal cusp
Maxilary first premolar
Which maxillary premolar is more symmetrical (occlusalO
Maxillary second premolar
Two premolars without central grooves
Mandibular first
Mandibular 3 cusp
Mesial marginal ridge is lower than its distal marginal ridge
Mandibular first premolar
Has no transverse ridge
Mandibular 3 cusp
Has longer central groove
Maxillary first premolar
Premolars with only 2 fossa, both triangular
Maxillary First and Second premolar
Mandibular Second premolar
Which has a lingual groove
Mandibular 3 cusp
Contact points Canine and Premolars
Max- I/M M
Mand-I I/M
Max- M M
Mand 1- M O
Mand 2- O/M M
From the proximal view canine crowns are what shape
triangular, or wedge
Longest tooth in the mouth
Maxillary canine
which canine has a longer crown
Mandibular canine
On maxillary and mandibular canines which ridge is shorter. Mesial or Distal?
mesial
Only teeth with a labial ridge
canines
What ridge do premolars have
buccal
Are canines wider labiolingually or mesiodistally
labiolingually
Are mandibular incisors wider labiolingually or mesiodistally
labiolibgually
Are maxillary incisors wider labiolingually or mesiodistally
mesiodistally
Are canines mesial cusp ridge shorter or longer than distal
mesial cusp ridge shorter
maxillary canine cingulum is….. large or small
very large
Which tooth has a lingual ridge, mesial fossae and distal fossae
the maxillary canines
Which ridge is more prominent in the maxillary canines
mesial
Which canine has more prominent features
maxillary
Which canine has a cingulum that can be distal
mandibular canine
on the canines which ridge is longer
mesial
canines
cusp tip labial
cusp tip lingual
maxillary canine- labial cusp tip
mandibular canine- lingual cusp tip
Which tooth is Cingulum more prominent Cusp tip labial to root axis Labial height of contour more pronounced Labial height of contour less cervical Incisal wear more lingual Cusp tip thicker faciolingually Distal root depression is more distinct than mesial
maxillary canine
Which tooth is Cingulum less prominent Cusp tip lingual to root axis Labial height of contour less pronounced Labial height of contour more cervical Incisal wear more labial Cusp tip thinner faciolingually Distal root depression is more distinct than mesial
mandibular canine
Which canine has a incisal edge with a distoligual twist
mandibular canine