Week 2 Flashcards
Where is an incisal gingival contact point viewed from?
The facial or lingual
Where is a buccal lingual contact point viewed from?
The occlusal
T or F: The distal incise-gingival contact point is either the same level or more gingival than the mesial incisors-gingival contact point of ANTERIOR teeth
True
T or F: All posterior teeth incisal-gingival contact points are in the middle third of the crown
FALSE: The mesial surface of all molars are at the junction of occlusal and middle third.
T or F All teeth have facial/buccal lingual contact points in the middle third of the tooth
True, but posterior teeth have contact points leaning toward facial
Facial embrasure is always thinner than lingual embrasure EXCEPT:
Mandibular centrals (F=L)
Maxillary 1st molar (F>L)
Facial height on contour is in the cervical third for all teeth EXCEPT:
Mandibular molars are in the junction of cervical and middle third
T or F Lingual height on contour is in the cervical third on anterior teeth
True
Lingual height on contour is in the middle third of posterior teeth EXCEPT
Mandibular second premolar in the occlusal third
When does the root finish forming after eruption?
2.5 years
On anteriors, is mesio-incisal angle more “square” or more “rounded” than the distal?
More square
T or F From a facial view, all crowns are shaped like a trapezoid
TRUE like a football player
T or F Anterior teeth from a proximal view, shaped like a triangle
TRUE
Max Anteriors: The Inciso-gingival contact points from mesial to distal are: Incisal to IM Junc, IM junction to middle, IM junction to middle
True
Mand Anteriors: The Inciso-gingival contact points from mesial to distal are: Incisal to incisal, incisal to incisal, incisal to mid 1/3
True
Max Lateral inciso-gingival contact points
incisal middle junction (M)
middle (D)
Max Canine inciso-gingival contact points
incisal middle junction (M)
middle (D)
Mand Canine inciso-gingival contact points
incisal (m)
middle (d)
Max central inciso-gingival contact points
incisal (m)
Junction of Incisal and middle (D)
Mand central and lateral inciso-gingival contact points
incisal (M and D)
Which embrasure is larger on the maxillary first molar, the facial or lingual?
Facial
Which embrasure is larger on the mand centrals, the facial or lingual?
They are the same
Which embrasure is larger on the mandibular first molar, the facial or lingual?
lingual, like all teeth except the max first molar (F>L) and mand centrals (F=L)
Which embrasure is larger on the maxillary first premolar, the facial or lingual?
lingual, like all teeth except the max first molar (F>L) and mand centrals (F=L)
Which embrasure is larger on the mand second premolar, the facial or lingual?
lingual, like all teeth except the max first molar (F>L) and mand centrals (F=L)
Where is the cingulum located on the max lateral?
Centered lingually
Where is the cingulum located on the max canine?
centered lingually
Where is the cingulum located on the mand central?
centered lingually
Where is the cingulum located on the max central?
Distal lingually
Where is the cingulum located on the mand lateral?
distal lingually
Where is the cingulum located on the mand canine?
distal lingually
Which ANTERIOR tooth is the widest anterior M-D?
Max Centrals
Which is the only tooth with a cross section through the CEJ that appear triangular?
Max Central Incisor
Most common congenitally missing or malformed teeth
- 3rds
- max laterals
- mand 2nd premolar
T or F: The Max lateral root is shorter than the mand central root
False, it is long or longer and is distally inclined
T or F: the max lateral incisor incisal edge slopes cervically from mesial to distal
True
True or False: on the lateral max incisor, the distal marginal ridge is smaller than the mesial marginal ridge
Yes, due to the cervical slope of the incisal edge
T or F from the incisal view, the max lateral incisor is more oval than the central
True
Which tooth has a cingulum that is in the central and which is more distal? Max central or lateral
Max central cingulum is more distally displaced.
Max lateral cingulum is more central
T or F The mand lateral has a distal lingual groove that makes scaling and root planing here more difficult
True
Smallest tooth in the mouth
Mand central incisor
Narrowest tooth mesial distally
Mand Central incisor
Most symmetrical tooth
mand centrals, very hard t tell the difference between #24 and #25. Also why the facial is the same size as the lingual embrasure–because it’s so symetrical
First succedaneous teeth
mand centrals
Has smallest facial and lingual embrasure
mand centrals
T or F The incisal edge of the mand central is facial to the long axis of the tooth
false, it is lingual
Which groove is more pronounced on the root of mand centrals? M or D?
Distal groove is much more pronounced in the mand centrals
Which tooth has an incisal edge that is twisted on its apex?
Mandibular lateral incisors
T or F Mand Laterals incisal edge is lingual to axis
True
Which tooth cingulum is more distal and more centered? Mand central and lateral
Mand Central: centered
Mand Lateral: distal
Which tooth has a sloped incisal ridge? mand central or lateral
mand lateral
Which tooth has a more rounded distal incisal angle? mand central or lateral
Mand lateral
Which ANT tooth has the least defined lingual anatomy?
Mand lateral
24:49 of Permanent Anterior Teeth
BIDEO
Do canines have mamelons
no
Which anterior has a lingual ridge?
Canine
Which anteriors have two fossa?
Canines
Which tooth has the longest root? Max or mand canine?
Max
Which tooth has the longest crown? Mand canine, max central, or max canine?
mand canine
T or F In any teeth with one facial cusp the mesial cusp slope is always shorter than distal cusp slope except permanent max 1st premolars
true
Which canine has a slight distal location of the cingulum?
mandibular
Which canine incical edge is centered over the axis of the tooth and which is slightly facial?
Facial: Max
Centered: Mand
