Shared Flashcard Set

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Dental Anatomy
Final Exam
300
Dentistry
Professional
11/28/2012

Additional Dentistry Flashcards

 


 

Cards

Term
T or F:
Max central incisor has greater incisocervical dimension than mesiodistal
Definition
True
Term
Mesial crown curvature of the maxillary central incisor is
Definition
Straight
Term
Which line angle of the maxillary central incisor is less sharp?
Definition
DI
Term
How many lobes are on a maxillary central incisor?
Definition
3
Term
What are the universal numbers for the maxillary central incisors?
Definition
8 and 9
Term
Which lobe on a maxillary central incisor is narrowest?
Definition
Middle
Term
True or False:
Maxillary central incisors and maxillary canines do not both have imbrication lines?
Definition
False
Term
Where is the facial height of contour of the maxillary central incisor?
Definition
Cervical 1/3
Term
What are the proximal contacts of the maxillary central incisors?
Definition
M: Incisal 1/3
D: Jxn of middle and incisal
Term
Where is the lingual height of contour?
Definition
Cervical 1/3
Term
True or False:
The maxillary central incisor does not have a lingual taper?
Definition
False
Term
What is the shape of the root of the maxillary central incisor?
Definition
Conical with a blunt apex
Term
Which anterior tooth has the greatest mesiodistal crown dimension?
Definition
Maxillary Central Incisor
Term
Which incisor has MD and IC crown dimensions that are closest together?
Definition
Maxillary Central Incisor
Term
Which tooth has the greatest cervical line curvature on the mesial surface?
Definition
Maxillary central incisor
Term
Tooth #10 in the Universal Numbering system, corresponds with which tooth?
Definition
Left maxillary lateral incisor
Term
T or F:
Both the M and D surfaces of the maxillary lateral canine are convex?
Definition
True
Term
The MI forms a _____ angle and the DI forms a ______ angle on the maxillary lateral incisor?
Definition
Acute, obtuse
Term
T or F:
The incisocervical crown dimension is less than the mesiodistal on the maxillary lateral incisor?
Definition
False
Term
Can there be mamelons on maxillary lateral incisors?
Definition
Yes
Term
T or F:
There are imbrication lines on both the maxillary central and maxillary lateral incisors?
Definition
True
Term
Where are the proximal contacts of the maxillary lateral incisor?
Definition
M: incisal 1/3
D: middle 1/3
Term
T or F:
The maxillary lateral incisor is a more square tooth than the maxillary central incisor?
Definition
False
Term
Is the D embrasure space of maxillary lateral incisors more acute or obtuse when compared to the M embrasure space when viewed from the facial?
Definition
Wider
Term
Is there a linguoincisal ridge on maxillary lateral incisors?
Definition
Yes
Term
Which marginal ridge is longer on maxillary lateral incisors?
Definition
Mesial
Term
Which marginal ridge on maxillary lateral incisors is more curved?
Definition
Distal
Term
Which maxillary tooth has the narrowest mesiodistal crown dimension?
Definition
Maxillary Lateral Incisor
Term
Which anterior tooth has the most similar mesiodistal and faciolingual crown dimension?
Definition
Maxillary Lateral Incisor
Term
Which incisor has the greatest incisal edge curvature?
Definition
Maxillary lateral incisor
Term
Which incisor has the most cervical distal contact?
Definition
Maxillary Lateral Incisor
Term
Which teeth have their distal contact centered incisocervically and faciolingually?
Definition
Max lateral
Max canine
Max 1st molar
Max 2nd molar
Mand 2nd molar
Term
Which anterior tooth varies in form the most?
Definition
Maxillary lateral incisor
Term
Which tooth is subject to the most anomalies?
Definition
Maxillary Lateral Incisor
Term
Is the cervical line symmetrical on mandibular central incisors?
Definition
Yes
Term
Where is the facial height of contour on the mandibular central incisor?
Definition
Cervical 1/3
Term
Is the cingulum offset D or M in mandibular central incisors?
Definition
Distally
Term
T or F:
There are pits and fissures on the mandibular central incisors
Definition
False
Term
Which tooth has the least developed cingulum?
Definition
Mandibular Central Incisor
Term
What is the lingual height of contour of mandibular central incisors?
Definition
Cervical 1/3
Term
T or F:
A developmental root depression is present on mandibular central incisors
Definition
True
Term
T or F:
Mamelons are absent on mandibular central incisors?
Definition
False
Term
Is the incisal edge lingual or facial to the long axis of the tooth on mandibular anterior teeth?
Definition
Lingual
Term
Do mandibular teeth have a labial or lingual inclination?
Definition
labial
Term
Are the roots of mandibular central incisors longer than mandibular later incisors?
Definition
No
Term
T or F:
The mandibular lateral incisor is wider than the mandibular central incisor?
Definition
True
Term
T or F:
The mandibular central incisor is shorter incisocervically than the mandibular lateral incisor
Definition
True
Term
T or F:
The mandibular central incisor is bilaterally symmetrical
Definition
True
Term
What type of angle do the MI and DI angles make?
Definition
Right
Term
Where are the proximal contacts on the mandibular central incisor?
Definition
M: Incisal 1/3
D: Incisal 1/3
Term
Which tooth has the fewest facial developmental lines and grooves?
Definition
Mandibular Central Incisor
Term
Which tooth has the smoothest lingual surface contours of any anterior tooth?
Definition
Mandibular Central Incisor
Term
Which tooth has the least developed cingulum size?
Definition
Mandibular Central Incisor
Term
Which teeth are the smallest?
Definition
Mandibular Central Incisor
Term
Which is the only tooth with bilateral symmetry?
Definition
Mandibular Central Incisor
Term
Which tooth has the sharpest proximoincisal angles?
Definition
Mandibular Central Incisors
Term
Which tooth its proximal contacts at the same height?
Definition
Mandibular Central Incisor
Term
Where is the height of contour on mandibular lateral incisors?
Definition
Cervical 1/3
Term
Are there developmental depressions on mandibular lateral incisors?
Definition
If so, they are faint
Term
T or F:
The cingulum is offset to the M on mandibular lateral incisors
Definition
False
Term
True or False:
There are no pits or fissures on mandibular lateral incisors
Definition
True
Term
Are there developmental lines around the cingulum on the mandibular lateral incisor?
Definition
No
Term
What's the height of contour on the lingual surface of the mandibular lateral incisor?
Definition
Cervical 1/3
Term
T or F:
There is a tendency toward a cervical crown concavity on mandibular lateral incisors
Definition
True
Term
T or F:
A developmental root depression is absent on mandibular lateral incisors
Definition
False
Term
T or F:
There is more cervical curvature on the D surface of mandibular lateral incisors
Definition
False
Term
Are mamelons present on mandibular lateral incisors?
Definition
Yes
Term
Are mamelons present on all incisors?
Definition
Yes
Term
T or F:
The mandibular lateral incisor root is longer and thicker than the central
Definition
True
Term
T or F:
Roots are shorter faciolingually than mesiodistally on mandibular lateral incisors
Definition
False
Term
Is the mandibular lateral incisor wider or shorter in a mesiodistal dimension?
Definition
Wider
Term
Is the mandibular lateral incisor shorter or longer in an incisocervical dimension?
Definition
Longer
Term
T or F:
The crown of the mandibular lateral incisor is symmetrical
Definition
False
Term
On mandibular lateral incisor is the MI or DI angle sharper?
Definition
MI
Term
Which way does the incisal edge slope on mandibular lateral incisors?
Definition
Toward the D
Term
Where are the proximal contacts on the mandibular lateral incisor?
Definition
M: Incisal 1/3
D: Incisal 1/3
Term
Which marginal ridge is longer on mandibular lateral incisors?
Definition
Mesial
Term
Which way is the cingulum offset in mandibular lateral incisors?
Definition
Distally
Term
Which tooth has its crown twisted on its root?
Definition
Mandibular lateral incisors
Term
Are imbrication lines present on maxillary canines?
Definition
Yes
Term
Which facial lobe forms a prominent facial ridge on maxillary canines?
Definition
Middle lobe
Term
T or F:
There are MF and DF developmental depression on each side of the facial ridge
Definition
True
Term
Where are ridges and depressions most prominent on maxillary canines?
Definition
Incisal aspect
Term
Is the facial contour of maxillary canines convex or concave?
Definition
Convex
Term
Cusp ridges form what angle on maxillary canines?
Definition
90-105 degrees
Term
Are the cusp ridges on maxillary canines sharper or blunter than mandibular?
Definition
Sharper
Term
T or F:
The maxillary canine has a distal bulge
Definition
True
Term
T or F:
The MI angle of the maxillary canine is more rounded than the DI
Definition
False
Term
Are there imbrication lines on maxillary canines?
Definition
Yes
Term
T or F:
The maxillary canine has more prominent anatomy when compared to the mandibular canine
Definition
True
Term
Is there a cingulum on maxillary canines?
Definition
Yes
Term
How many lingual fossae are there on maxillary canines?
Definition
2
Term
Do maxillary canines have a cingulum?
Definition
yes
Term
Are lingual pits and grooves uncommon for maxillary canines?
Definition
No
Term
T or F:
There is no lingual taper for maxillary canines
Definition
False
Term
What is the height of contour of maxillary canines?
Definition
F: cervical 1/3
L: cervical 1/3
Term
T or F:
The incisal edge of mandibular canines is thicker than that of maxillary canines
Definition
False
Term
On maxillary canines where is the cusp tip located?
Definition
Centered over the root and facial to axis of tooth
Term
Where are wear facets located on maxillary canines?
Definition
Mesial cusp ridge and lingual surface
Term
Does the mesial or distal portion of the crown have a greater faciolingual dimension?
Definition
Mesial
Term
Is the maxillary canine more or less symmetrical than the mandibular canine?
Definition
Less
Term
Where are the proximal contacts on maxillary canines?
Definition
M: jxn of middle and incisal 1/3
D: middle 1/3
Term
T or F:
The mesial crown surface of the maxillary canine is concave in all directions
Definition
False
Term
T or F
The mesial root depression is shallower than the distal root depression on maxillary canines
Definition
True
Term
Which way do maxillary canine roots curve?
Definition
M or D
Term
Are the roots of maxillary canines longer or shorter than those of mandibular canines?
Definition
Longer
Term
Which tooth has the greatest crown plus root length?
Definition
Maxillary Canine
Term
Which tooth has the largest and most prominent cingulum of any anterior tooth?
Definition
Maxillary Canine
Term
Which anterior tooth has the greatest faciolingual crown dimension?
Definition
Maxillary Canine
Term
Which canine has a distal bulge?
Definition
Maxillary Canine
Term
Which anterior tooth has the greatest cervical prominence?
Definition
Maxillary Canine
Term
Which anterior tooth has the greatest facial ridge prominence?
Definition
Maxillary Canine
Term
Which tooth is the longest?
Definition
Maxillary Canine
Term
Is the distal contact of the maxillary canine centered incisocervically and faciolingually?
Definition
Yes
Term
What is the universal number of the right mandibular canine?
Definition
27
Term
Which facial lobe on a mandibular canine forms the prominent facial ridge?
Definition
Middle
Term
Where are the facial ridge and depressions most prominent on mandibular canines?
Definition
Incisal aspect
Term
Is there a cervical line on mandibular canines?
Definition
Yes
Term
Is the facial convexity of the mandibular canine more or less convex than the maxillary canine?
Definition
More convex
Term
What shaped curve do the crown and root make on the facial aspect of mandibular canine?
Definition
C shaped
Term
On mandibular canines what is the angle formed from the cusp ridges?
Definition
120 degrees
Term
T or F:
The mandibular canine has a sharper cusp tip than maxillary canines?
Definition
False
Term
T or F:
The D cusp ridge is twice as long as the M cusp ridge on mandibular canines
Definition
True
Term
Mandibular canines have a ________, which causes the crown to appear to bent ___________.
Definition
Distal inclination, distally
Term
T or F:
The M outline of the mandibular canine crown and root is very curved
Definition
False
Term
Which proximoincisal line angle on mandibular canine is more rounded?
Definition
DI
Term
Are imbrication lines present on mandibular canine?
Definition
No
Term
Are lingual pits and grooves present on mandibular canines?
Definition
No
Term
T or F:
There is a lingual taper to mandibular canines
Definition
True
Term
What are the heights of contour of mandibular canines?
Definition
F: cervical 1/3
L: cervical 1/3
Term
Where is the cusp tip located on mandibular canines?
Definition
Centered over the root
Term
Where are wear facets located on mandibular canines?
Definition
Distal cusp ridge and facial surface
Term
T or F:
The mandibular canine is more symmetrical than the maxillary canine
Definition
True
Term
Where is there more cervical line curvature on mandibular canines?
Definition
Mesial surface
Term
Where are the proximal contacts for the mandibular canine?
Definition
M: incisal 1/3
D: jxn of incisal and middle 1/3
Term
Does the mesial or distal surface of mandibular canines have a deeper root depression?
Definition
Distal
Term
T or F:
mandibular canines are not known to have bifurcated roots
Definition
False
Term
Which tooth has the greatest crown plus root length?
Definition
mandibular canine
Term
Which tooth has the greatest incisocervical crown dimension of any tooth?
Definition
mandibular canine
Term
Which tooth has the longest root in the mandibular arch?
Definition
mandibular canine
Term
What is the universal number for the upper right second premolar?
Definition
4
Term
What is the height of contour of the 1st maxillary premolar
Definition
M: middle 1/3
D: middle 1/3
B: cervical 1/3
L: middle 1/3
Term
T or F:
The M cusp ridge is longer than the D cusp ridge for 1st maxillary premolars
Definition
True
Term
T or F:
The B cusp is slightly offset M on 1st maxillary premolars
Definition
False
Term
Which groove crosses the M marginal ridge on 1st maxillary premolars?
Definition
M marginal ridge groove
Term
T or F:
THe M root depression is greater than the D root depression on 1st maxillary premolars
Definition
True
Term
Which tooth has the greatest depth of its central groove?
Definition
1st maxillary premolar
Term
How many roots do maxillary premolars have
Definition
2
Term
A laminated root on a 1st maxillary premolar is considered a Type _____ root
Definition
Type III
Term
Which premolar has a longer mesial cusp ridge when compared to the distal?
Definition
1st maxillary premolar
Term
What are the heights of contour of the 2nd maxillary premolar?
Definition
M: middle 1/3
D: middle 1/3
B: cervical 1/3
L: middle 1/3
Term
T or F:
The heights of contour of maxillary premolars are different
Definition
False
Term
T or F
The 2nd maxillary premolar is bilaterally symmetrical
Definition
True
Term
Which posterior tooth has the most symmetry?
Definition
2nd maxillary premolar
Term
Which premolar has the most similar cusp heights?
Definition
2nd maxillary premolar
Term
Is the central groove on 2nd maxillary premolars short or long?
Definition
short
Term
How many roots do 2nd maxillary premolars have?
Definition
1
Term
Which posterior tooth has mesial and distal fossae that are closest together
Definition
2nd maxillary premolar
Term
What is the crown outline for of a 1st maxillary premolar?
Definition
Hexagonal
Term
T or F:
The 2nd maxillary premolar has a larger crown
Definition
False
Term
T or F:
The facial cusp is sharper on 1st maxillary premolars
Definition
True
Term
T or F
Facial anatomy is more apparent on 2nd maxillary premolars
Definition
False
Term
T or F:
Both the 1st and 2nd maxillary premolars have mesial marginal ridge grooves
Definition
False
Term
Does the 1st or 2nd maxillary premolar have a mesial crown concavity?
Definition
1st maxillary premolar
Term
Where are developmental root depressions greater on 1st and 2nd maxillary premolars?
Definition
1st: mesial
2nd: distal
Term
Are crooked roots more common on 1st or 2nd maxillary premolars?
Definition
2nd maxillary premolars
Term
T or F:
Marginal ridges have greater mesiodistal dimension on 2nd maxillary premolars
Definition
True
Term
Do 1st or 2nd maxillary premolars have more supplemental grooves?
Definition
2nd maxillary premolars
Term
To which tooth does the universal number 29 correspond?
Definition
Right 2nd mandibular premolar
Term
Is the M cusp ridge longer or shorter than the D cusp ridge on 1st mandibular premolars?
Definition
Shorter
Term
Where are the M and D contacts of the 1st mandibular premolar?
Definition
Middle 1/3
Term
Which tooth has a ML developmental groove?
Definition
1st mandibular premolar
Term
On 1st mandibular premolars is the L or F surface wider?
Definition
Facial surface
Term
Which posterior tooth has the smallest faciolingual dimension?
Definition
1st mandibular premolar
Term
T or F:
The L cusp height is much less than F cusp height on 1st mandibular premolars
Definition
True
Term
What is the angle of the mesial marginal ridge on 1st mandibular premolars?
Definition
45 degrees
Term
What is the only posterior tooth to have its M marginal ridge located farther cervically than the D marginal ridge
Definition
1st mandibular premolar
Term
T or F:
The 1st mandibular premolar has an occlusal surface with a facial tilt
Definition
False
Term
Is the facial cusp on the 2nd mandibular premolar sharp or blunted?
Definition
Blunted
Term
On 2nd mandibular premolars, is the mesiodistal dimension greater on the L or F half of the crown?
Definition
Lingual
Term
On 2nd mandibular premolars, is more than 1 lingual cusp common?
Definition
Yes most have 2
Term
Of the lingual cusps on 2nd mandibular premolar, which is larger and higher?
Definition
ML
Term
When will a lingual groove be present on 2nd mandibular premolars?
Definition
When there are 2 lingual cusps
Term
Where are the contact points on 2nd mandibular premolars?
Definition
M and D: jnx of the occlusal and middle 1/3
Term
What are the 3 occlusal groove patterns for 2nd mandibular premolars?
Definition
H U and Y
Term
Which premolar normally has multiple L cusps?
Definition
2nd mandibular premolar
Term
Which is the only premolar to have a lingual groove?
Definition
2nd mandibular premolar
Term
Which is the only premolar with a central fossa?
Definition
2nd mandibular premolar
Term
What is the L height of contour of the 2nd mandibular premolar?
Definition
Occlusal 1/3
Term
When comparing the crown outline of the 1st and 2nd mandibular premolars the 1st has a ________ shape and the 2nd has a _____________ shape when viewed from the occlusal.
Definition
Diamond
Square, round, or oval
Term
Which mandibular premolar has the greater occlusocervical dimension?
Definition
1st mandibular premolar
Term
T or F:
2nd mandibular premolars have taller facial cusps
Definition
False
Term
T or F:
1st mandibular premolars have sharper cusps
Definition
True
Term
Which mandibular premolar has the greater mesiodistal root width?
Definition
2nd mandibular premolars
Term
T or F:
Root apices are sharper on 2nd mandibular premolars
Definition
False
Term
T or F:
The mesiodistal crown dimension is greater on 2nd mandibular premolars when compared to 1st
Definition
True
Term
Which mandibular premolars have the greater L cusp height?
Definition
2nd mandibular premolars
Term
The mesial marginal ridge of the 1st mandibular premolar slopes _____ while the mesial marginal ridge of the 2nd mandibular premolar slopes _______.
Definition
Lingually
Perpendicular
Term
T or F:
The 2nd mandibular premolar can have more cusps than the 1st mandibular premolar
Definition
True
Term
Which mandibular premolar has the greater faciolingual crown dimension?
Definition
2nd mandibular premolar
Term
Which mandibular premolar has the more prominent F ridge?
Definition
1st mandibular premolar
Term
Which tooth corresponds to the universal # 15?
Definition
Left 2nd maxillary molar
Term
Which is the first permanent molar to erupt?
Definition
1st maxillary molar
Term
T or F:
Molars are succedaneous teeth
Definition
False
Term
Which tooth is considered the cornerstone in the development of occlusion?
Definition
1st maxillary molar
Term
How many cusps does the 1st maxillary molar have?
Definition
5
Term
How many roots does the 1st maxillary molar have?
Definition
3
Term
What is the largest tooth in the maxillary arch?
Definition
1st maxillary molar
Term
What is the outline of the 1st maxillary molar when viewed from the occlusal?
Definition
Rhomboidal
Term
What gives the 1st maxillary molar its rhomboidal shape?
Definition
MB and DL line angles are acute
ML and DB line angles are obtuse
Term
Rank the size of the cusps of the 1st maxillary molar in order of largest to smallest.
Definition
ML, MB, DB, DL
Term
T or F:
Buccal cusps on 1st maxillary molar are different heights
Definition
False
Term
Which buccal cusp on the 1st maxillary molar is sharpest?
Definition
DB
Term
On the 1st maxillary molar, the ML cusp is the _______ cusp.
Definition
Longest
Term
How many triangular ridges does the ML cusp have on 1st maxillary molar?
Definition
2
Term
T or F:
More than one cusp on the 1st maxillary molar has more than one triangular ridge per cusp
Definition
False
Term
Which triangular ridges compose the oblique ridge on 1st maxillary molars?
Definition
DB triangular ridge and the D triangular ridge of the ML cusp
Term
What is the name of the groove that runs between the 2 triangular ridges of the ML cusp on the 1st maxillary molar?
Definition
Stuart Groove
Term
What ridge does the transverse groove cross on 1st maxillary molars?
Definition
Oblique ridge
Term
Where does the buccal groove extend to on 1st maxillary molars?
Definition
Middle 1/3 of the crown on the buccal surface
Term
T or F
The buccal groove on 1st maxillary molars is equidistant between the MB and DB line angles
Definition
True
Term
Are marginal ridge grooves present on 1st maxillary molars?
Definition
Yes
Term
How many fossae do 1st maxillary molars have?
Definition
4
Term
What are the two minor fossae on 1st maxillary molars?
Definition
Mesial triangular and distal triangular
Term
What are the heights of contour of the 1st maxillary molar?
Definition
B: cervical 1/3
L: middle 1/3
M: jxn of occlusal and middle 1/3
D: middle 1/3
Term
T or F:
The crown of the 1st maxillary molar looks narrower at the cervical when view from the mesial
Definition
False
Term
Which root is the largest and longest on 1st maxillary molars?
Definition
Palatal
Term
Do 1st maxillary molars have a long root trunk?
Definition
No
Term
Are lingual roots of 1st maxillary molars wider mesiodistally or faciolingually?
Definition
Mesiodistally
Term
Which posterior tooth has mesiodistal and faciolingual dimensions that are nearly equal?
Definition
1st maxillary molar
Term
Which tooth has a 5th supplemental cusp?
Definition
1st maxillary molar
Term
Which teeth have oblique ridges?
Definition
All maxillary molars
Term
Which teeth have ML cusps with 2 triangular ridges?
Definition
All maxillary molars
Term
Which teeth have a distolingual groove?
Definition
Maxillar 1st and 2nd molars
Term
What are the heights of contour of the 2nd maxillary molar?
Definition
M: jxn of occlusal and middle 1/3
D: Middle 1/3
B: cervical 1/3
L: middle 1/3
Term
Is the buccal groove of the 2nd maxillary molar located M or D to the center of the crown?
Definition
Distal
Term
Are buccal roots of 2nd maxillary molars more or less parallel to one another when compared to buccal roots of 1st maxillary molars?
Definition
More paralle
Term
Which way are roots inclined on 2nd maxillary molars?
Definition
Distally
Term
To what is the apex of the MB root aligned on 2nd maxillary molars?
Definition
The B groove
Term
T or F:
1st and 2nd maxillary molars are both wider faciolingually than mesiodistally
Definition
True
Term
T or F:
1st and 2nd maxillary molars have the largerst faciolingual crown dimension of any tooth
Definition
True
Term
Which tooth has more variations than all other teeth in their sizes, root numbers, crown and root form?
Definition
3rd maxillary molar
Term
Are roots often fused in 3rd maxillary molars?
Definition
Yes
Term
Which tooth has the smallest occlusocervical dimension?
Definition
3rd maxillary molar
Term
Which tooth in the maxillary arch has the shortest root?
Definition
3rd maxillary molar
Term
Which tooth in the maxillary arch has the greatest distal root inclination?
Definition
3rd maxillary molar
Term
The occlusal outline of the 1st and 2nd maxillary molars is _____, while the occlusal outline of the 3rd maxillary molar is ___________.
Definition
Rhomboidal
Heart-shaped
Term
T or F:
M and D cusps are approximately the same size on 1st and 2nd maxillary molars
Definition
False
Term
T or F:
The DL cusp gets smaller as you move from 1st to 3rd maxillary molar
Definition
True
Term
T or F:
The lingual taper of maxillary molars diminishes as you more from 1st to 3rd
Definition
False
Term
T or F:
1st and 2nd maxillary molars have the same faciolingual crown dimension
Definition
True
Term
Between 1st and 2nd maxillary molars, which has more supplemental grooves?
Definition
2nd maxillary molars
Term
The lower left 3rd mandibular molar corresponds to what universal number?
Definition
17
Term
How many roots do mandibular molars have?
Definition
2
Term
Are mandibular molars succedaneous?
Definition
No
Term
Rank the mesiodistal cusp size of 1st mandibular molars from largest to smallest
Definition
MB
ML, DL
DB
D
Term
Rank the occlusocervical height of 1st mandibular molars from highest to shortest.
Definition
ML
DL
MB
DB
D
Term
Are the lingual cusps visible from the B on 1st mandibular molars?
Definition
Yes
Term
Which buccal cusp is the largest on 1st mandibular molar?
Definition
MB
Term
On 1st mandibular molars, are the B cusps relatively sharp or relatively flat when compared to the lingual cusps?
Definition
Relatively flat
Term
What is the central developmental groove pattern on 1st mandibular molars?
Definition
M shaped
Term
T or F:
The MB groove is longer than the DB groove on 1st mandibular molars
Definition
True
Term
T or F:
The MB groove is located slightly D to the furcation on 1st mandibular molars.
Definition
False
Term
The distobuccal groove on the 1st mandibular molar parallels the long axis of which root?
Definition
The distal root
Term
Which way does the distobuccal groove incline on the 1st mandibular molar?
Definition
Distally
Term
On 1st mandibular molars, is the Lingual groove deeper than the facial grooves?
Definition
No
Term
On the 1st mandibular molar, where is the faciolingual dimension greatest?
Definition
DB cusp
Term
Does the 1st mandibular molar have a lingual taper?
Definition
Yes
Term
How many triangular ridges does the 1st mandibular molar have?
Definition
5
Term
Does the 1st mandibular molar have transverse ridges?
Definition
No
Term
What are the heights of contour of the 1st mandibular molar?
Definition
B: cervical 1/3
L: middle 1/3
D: jxn of middle and occlusal 1/3
M: middle 1/3
Term
Which tooth has the largest mesiodistal crown dimension of any tooth in the mouth?
Definition
1st mandibular molar
Term
Which mandibular tooth has the largest faciolingual crown dimension?
Definition
1st mandibular molar
Term
Which mandibular molar has the largest occlusocervical crown dimension?
Definition
1st mandibular molar
Term
Which molar has the longest roots?
Definition
1st mandibular molar
Term
Which tooth has the greatest mesiodistal root separation?
Definition
1st mandibular molar
Term
Is the mandibular 2nd molar more or less symmetrical than the 1st mandibular molar?
Definition
More symmetrical
Term
How many cusps does the 2nd mandibular molar have?
Definition
4
Term
T or F:
Buccal cusps are equal in length and width on 2nd mandibular molars
Definition
True
Term
Which grooves separate 2nd mandibular molars in half
Definition
B and L grooves
Term
What is the occlusal surface design of the 2nd mandibular molar?
Definition
+ sign
Term
T or F:
The root trunk on the 2nd mandibular molar is longer than that of the 1st
Definition
True
Term
Rank the cusp heights of the 2nd mandibular molar from highest to shortest.
Definition
ML, DL, MB, DB
Term
What is the largest cusp on the 3rd mandibular molar?
Definition
ML
Term
Are the L or B cusps longer on 3rd mandibular molars?
Definition
L
Term
T or F:
The pit-groove pattern of 3rd mandibular molars is highly regular
Definition
False
Term
The 3rd mandibular molar can have as many as ____ roots?
Definition
8
Term
Which mandibular tooth has the smallest occlusocervical crown dimension?
Definition
3rd mandibular molar
Term
Which mandibular tooth has the most bulbous crown form?
Definition
3rd mandibular molar
Term
Which mandibular tooth has the most distal root inclination?
Definition
3rd mandibular molar
Term
Which tooth has the shortest roots in the mandibular arch?
Definition
3rd mandibular molar
Term
The outline of the 1st mandibular molar is ________shaped.
Definition
Pentagonal
Term
T or F:
The number of supplemental grooves increases from 1st to 3rd mandibular molar.
Definition
True
Term
T or F:
The roots of maxillary central and maxillary lateral incisors are about the same.
Definition
True
Term
Which root on maxillary first premolar is longer?
Definition
Facial
Term
Which premolar has the shortest root length?
Definition
Maxillary first premolar
Term
T or F:
The greatest mesiodistal separation of the roots is greater than the mesiodistal crown dimension on maxilalry first molars
Definition
False
Term
What do the roots of the maxillary 1st molar resemble when viewed from the facial?
Definition
A pair of pliers
Term
T or F:
On maxillary molars, the lingual root gets narrower mesiodistally from 1st to 3rd molars
Definition
True
Term
On mandibular molars, root separation _____ from 1st to 3rd.
Definition
Decreases.
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