Midterm One: 300 Dental Anatomy Facts Minus Molars NO PRIMARY Flashcards
has frequently both a separate mesial and distal pits (snake eyes)
a. Due to the triangular ridge
MN 1st premolar
has a mesial concavity that makes is difficult to adapt a matrix band
MX 1st premolar
The Y type MN 2nd premolar has ___ facial and ___ lingual cusps
one facial and two lingual cusps
tooth that has the greatest overall total tooth length
MX canine
Bifurcation for MN canine roots when present creates a _____ and _____ root
facial and lingual
tooth whose cusp tip located facial to lingual axis
MX canine
Viewed from the occlusal the basic coronal outline of a MN second premolar is
pentagonal
Instead of a long central groove with few supplemental grooves, it has a short central groove with a lot of supplemental grooves that make it look wrinkly
MX 2nd premolar
The premolar that most frequently has a single central pit is the
MN 2nd premolar
non-molar tooth that most frequently has a mesial and distal pulp horn is the
MX central incisor
only premolar with a central fossa
MN 2nd premolar
most variation of all posterior teeth in facial versus lingual cusp height
MN 1st premolar
only premolar with a lingual groove
MN 2nd premolar
teeth that most frequently have concave areas on M & D root surfaces
MN centrals and laterals
The non-molar teeth having the sharpest demarcation between pulp chamber & canal
MX 1st premolar
the anterior tooth that most frequently exhibits a bifurcated root
MN canine
which embrasure is smaller - the embrasure between the centrals or the embrasure between the central and lateral
between centrals
The occlusal outline for the mandibular 1st premolar occlusal view is ____ _____
diamond shaped
smallest crown dimensions of any tooth
MN centrals
The crown form of _______ from a facial view is pentagonal
canines
is the posterior tooth that has the greatest cervico-occlusal crown height
MX 1st premolar
Tooth most often is in abnormal relation and contact with adjacent teeth
MX lateral incisors
tooth that has straightest mesial alignment of crown to root
MN canine
which canine has the less prominent cingulum?
MN canine
Tooth with identical measurements for incisol-cervical and mesio-distal
MX central
Only anterior teeth that are wider mesio-distally than facio-lingually
MX Incisors
only tooth with a mesio-lingual groove
MN 1st premolar
PNEUMONIC for maxillary anterior Contacts
IJ
JM
JM
I Just
Jacked Micheal
Jackson’s Moped
I- incisal 1/3
J - junctional (between incisal 1/3 and middle 1/3)
M - middle 1/3
tooth that has the mesial marginal ridge located more cervical than the distal
MN 1st premolar
The mandibular canine is ______ mesiodistally than the maxillary canine
SMALLER
- Distal bulge on Maxillary canine (fatter)
- Straight mesial on Mandibular canine (skinnier)
The mesio-lingual developmental groove on tooth #21 originates from
the occlusal pit
has fossa that are closest in size compared to any other posterior tooth
MX 2nd premolar
In the rare event of a second canal for a MN 1st premolar it is most likely located to the
lingual
has sharpest set of incisal angles (mesial and distal)
MN centrals
Which two teeth exhibit exhibits the most deviation in crown morphology
Third Molars
MX lateral incisors
teeth that have proximal contacts at approximately the same levels on mesial and distal
MN centrals
Teeth that have the most distinct and deepest lingual fossa’s of all anterior teeth
MX lateral incisors
tooth that has the greatest cervical prominence of any anterior tooth
MX canine
MX tooth with lingual cusps are off set to the mesial (but buccal cusp is offset to the distal)
MX 1st premolar
Mesiolingual developmental groove makes mesial marginal ridge run at a
(more of the occlusal surface can be seen from the mesial than distal
45 degree angle
the middle facial lobe of the MX canine includes the cusp tip (opposite to MD canine)
-
canine that is narrower mesio-distally
MN canine
The contact between a MX central and lateral incisor makes embrasures - which is larger? Lingual or facial?
lingual embrasure larger than facial
When compared to a MX canine the MN canine has contact areas located
more incisally
teeth that have contact points at the same inciso-cervical level
MN centrals
The non-molar tooth that most frequently exhibits three roots is the
MX 1st premolar
The lingual cusp of the __ _____ ________ in normal occlusion does not occlude
MN 1st premolar
non molar tooth that has a longer mesio-facial cusp ridge than disto-facial cusp ridge
MX 1st premolar
Incisors function
biting, tearing