Quiz #2 Flashcards
(72 cards)
1
Q
Both incisors, from _________ view, display an _______ edge that is centered over the crest of curvature of the _____ and the main body of their respective roots.
A
proximal incisal CEJ
1
Q
With respect to the facial view of the permanent maxillary canine:
- The overal facial crown surface is ______.
- There are _____ noticable developmental depressions delineating from ____ facial lobes.
- The ______ facial lobe is most developed of the lobes & gives rise to the _____ tip.
- The ______ ridge extends from the cusp tip to the ______ ridge
A
- Smooth
- 2; 3
- Middle; cusp
- Facial; cervical
2
Q
With respect to permanent mandibular incisors:
- The crest of the cingulum of both incisors are offset slightly to the ______.
- Both incisors have inconspicuous _______ surface anatomy, especially in comparison to their maxillary counterparts.
A
- Distal
- Lingual
2
Q
With respect to permanent mandibular incisors:
- The contact areas of both incisors are located on the _______ third, but the central incisor is said to exhibit less incisal ________ space than the lateral incisor.
- Both incisors, from a proximal view, display an incisal edge that is lingually positioned in comparison to the height of curvature of the _____ and their respective _____ apices.
A
- Incisal; embrasure
- CEJ; root
4
Q
Which has a more curved (or pointed to the distal) root: permanent central incisor or permanent lateral incisor?
A
permanent lateral incisor
4
Q
With respect to permanent mandibular incisors:
- Both roots have ______ and ______ distal root surface depressions, but the roots are rarely ________, however the lateral incisor more frequently exhibits _____ pulp canals.
- The incisal edge is _______ on the central incisor, while the incisal edge of the lateral incisiore exhibits a ________ twist to the distal portion.
A
- Mesial; distal; bifurcated; two
- Straight; lingual
5
Q
With respect to the incisal view of a permanent mandibular lateral incisor:
- The incisal ridge will be relatively ______. However, it is not straight across the tooth ________.
- The incisal ridge ______ to the lingual at its distal end and is not _______ to the faciolingual bisector.
- The crest of the _______ lingually will be slightly more ______ to the mesiodistal bisector.
- The crown from the incisial view is said to look _______ or _______ on it’s axis. It is not at all symmetrical.
A
- Straight; mesiodistally
- Slants; parallel
- Cingulum; distal
- Twisted; rotated
7
Q
With respect to the facial view of a permanent mandibular central incisor:
- The ______ incisal line angle is slightly more rounded than the ______ incisal line angle.
- The mesial & distal proximal contacts are at the _____ level and within the incisal _____ of the crown.
- After incisal wear the ______ contacts may be very near the ______ edge.
A
- Distal; mesial
- Same; one-third
- Proximal; incisal
7
Q
With respect to the facial view of a permanent mandibular central incisor:
- The incisal one-third of the crown surface is relatively ______.
- The cervial two-thirds of the crown surface is ______.
A
- Flat
- Convex
8
Q
Is the incisal third of the facial surface of the central incisor fairly flat or convex?
A
fairly flat
8
Q
Distal View - Primary Mandibular First Molar
- Visible cusps?
- Facial crown outline displays a ___-positioned distofacial cusp in comparison to the mesofacial cusp.
- Height of curvature of the cervical line is ____ curved.
- Roots visible?
- The ___ root slightly converges to the apex.
- There is a ____ on the distal.
A
- All four cusps visible
- lingually
- slightly
- both roots visible
- distal root converges
- developmental root surface depression
11
Q
The central incisor has a __________ shaped lingual fossa, while the lateral incisor has a __________ shaped fossa.
A
trapezoidal triangular
12
Q
With respect to the incisal view of a permanent mandibular lateral incisor:
- The faciolingual measurement is ______ than the mesiodistal.
- The mesial contact area is centered _________ but the proximal contact will be slightly to the _______ of the faciolingual bisector.
- The incisal ride will be ______ to the faciolingual bisector of the crown outline in its’ entirety; however, the distal end of the ridge will be more toward the ______ than the mesial end
A
- Greater
- Faciolingually; lingual
- Lingual; Lingual
13
Q
The crests of the cingulum of both incisors are offset to the ________.
A
distal
14
Q
From the incisal view, both incisors display contact areas that are centered ___________.
A
faciolingually
15
Q
Does the central incisor exhibit minimal variation or most variable permanent teeth?
A
minimal variation
16
Q
With respect to the facial view of a permanent mandibular central incisor:
- The crown outline is what shape? With the longer parallel side at the _______ edge.
- The incisal edge is straight and at a ______ angle (perpendicular) to the long axis line of the tooth
- The mesial & distal incisal line angles are both said to be _______. (at almost a ____ degree angle)
A
- Trapezoidal; incisal
- Right
- Sharp; 90
17
Q
Is the incisal third of the facial surface of the lateral incisor fairly flat or convex?
A
convex
18
Q
Which is more angular: permanent central incisor or permanent lateral incisor?
A
permanent central incisor
19
Q
From a ________ view, the lateral incisor frequently displays a ________ or carious _______ pit, while the central incisor does not.
A
lingual fissured lingual
20
Q
Does the central lateral exhibit minimal variation or most variable permanent teeth?
A
most variable permanent teeth
22
Q
With respect to the incisal view of the permanent mandibular canine:
- Just like the maxillary canine, the crown is ________ shaped.
- The faciolingual measurement is ________ than the mesiodistal dimension.
- The crown is _______ on the facial than on the lingual ( it tapers toward the lingual)
- The crown is bulkier on the ______ than on the ______ ( it tapers towards the distal)
A
- Diamond
- Greater
- Bulkier
- Mesial; distal
23
Q
With respect to the facial view of the permanent maxillary canine:
- The facial ridge curves or inclines, or is oriented, toward the _____ in the middle third of the crown.
- There is a concavity in the _______ cervial one-third, that is also represended by the _____ outline of the crown.
A
- Mesial
- Distofacial; distal
24
Q
Which is larger: permanent central incisor or permanent lateral incisor?
A
permanent central incisor
25
\_\_\_ is a condition that is exhibited when a tooth erupts or emerges in the wrong position within the arch. It is usually seen in either a ___ or ___ direction.
Ectopic Eruption
facial or lingual
26
\_\_\_\_ are ectopically erupted primarily toward the lingual side.
\_\_\_\_ are ectopically erupted primarily toward the facial side.
Maxillary lateral incisors
Maxillary canines
27
A tooth that is located in a differet position from where it is supposed to be is called \_\_\_\_. This is most commonly seen in \_\_\_\_.
transposition
canines (maxillary more than mandibular)
28
The most commonly rotated tooth is the ____ followed by the ____ and then the \_\_\_\_.
maxillary second premolar, maxillary incisors, maxillary first premolar
29
\_\_\_\_ is a condition found in permanent teeth where the outer enamel surface is folded inward and the tissue is wrapped like a croissant.
Dens-in-Dente (dens invaginatus)
30
Dens-in-Dente (dens invaginatus) is considered a malformation resulting from an infolding of the ____ during tooth development.
Which tooth typically displays this condition?
dental papilla
permanent maxillary lateral incisors
31
\_\_\_\_ is a condition that causes teeth to be discolored (most often a blue-gray or yellow-brown color) that may be present with a translucent appearance.
Dentinogenesis Imperfecta
32
Teeth with dentinogenesis imperfecta have a weaker construct than normal teeth making them prone to degradation. These problems can affect both ___ and ___ teeth. How is it exhibited radiographically?
primary, permanent
partial or total absence of pulp chambers and root canals.
33
Facial Aspect - Permanent Maxillary Central Incisor
Cervicoincisal length is ____ the mesiodistal width which is ____ the faciolingual depth.
Crown outline is ___ with the shorter parallel side at \_\_\_.
The crown width at contact areas are ___ at cervix.
greater than, greater than
trapezoidal, cervix
greater than
34
Lingual Aspect - Permanent Maxillary Central Incisor
- The cervical outline of the crown is more ____ than what is seen on the facial aspect.
- The \_\_\_\_ in the incisal one-half of the crown surface is described as a wide, shallow dish-shaped depression.
apically positioned (steeper inclination, less rounded)
lingual fossa
35
Lingual Aspect - Permanent Maxillary Central Incisor
The lingual fossa is bound by the \_\_\_, the ___ ridges and the \_\_\_.
linguo-incisal ridge, mesial and distal marginal ridges, cingulum.
36
Lingual Aspect - Permanent Maxillary Central Incisor
The ___ is well-developed in the cervical one-half of the crown and often has two ridge projections that impinge on the ___ in the middle third.
The greatest curvature lingually of the cingulum and the crest of the cervical line gingivally will be slightly ___ to the mexiodistal long axis bisector of the crown.
cingulum, lingual fossa
distal
37
Lingual Aspect - Permanent Maxillary Central Incisor
The ___ is relatively deep, triangular in outline and also "cup-shaped." It occupies the ___ two thirds of the lingual surface of the crown.
The cingulum is limited to the ___ 1/3 of the crown and the ____ ridges form a "V" as they flow into the cingulum.
lingual fossa, incisal
cervical, mesial and distal marginal
38
Which teeth are smaller in overall size and crown
Primary teeth
39
Primary teeth have markedly _____ (more or less) prominent cervical ridges and are _____ (thicker or narrower) at their "necks" (the location that surrounds the cervical in color)
More, narrower
40
Primary teeth are ____ (lighter or darker) in color.
lighter (milk teeth)
41
Primary _____ (anterior or posterior) teeth (molars) have roots that are more widely flared
posterior
42
Roots of primary anterior teeth are _____ and _______ compared to their respective crown
narrower and longer
43
Narrow roots with wide crowns produce what?
marked difference in the cervical area
44
Primary Maxillary Central Incisor - Incisal View: ______ measurement is greater than the \_\_\_\_\_\_\_
Mesiodistal and faciolingual
45
Primary Maxillary Central Incisor - Incisal View: What is the incisal ridge centered over? Is the incisal ridge straight?
The main bulk of the the crown. It is relatively straight
46
Primary Maxillary Central Incisor - Incisal View: _____ surface is much wider ( and smoother) than the _____ surface
Facial, lingual
47
Primary Maxillary Central Incisor - Incisal View: Lingual surface tapers (gets smaller) towards the \_\_\_\_\_\_
cingulum
48
Primary Maxillary Central Incisor - Incisal View: Mesial and distal surfaces are reatively \_\_\_\_\_, enabling good contact with the adjoining teeth.
wide
49
Primary Maxillary Canine - Facial View: What is the outline form?
diamond or arrow shaped
50
Primary Maxillary Canine - Facial View: Where is the postion of the cusp?
slightly distal of the center of the tooth
51
Primary Maxillary Canine - Facial View: Mesial cuspal ridge is slightly _____ than the distal cuspal ridge
longer
52
Primary Maxillary Canine - Facial View: The proximal contact locations are at the _____ level
same
53
Primary Maxillary Canine - Facial View: _______ ridge location is slightly on the distal half
Facial
54
Primary Maxillary Canine - Facial View: The root length is _____ that of the crown
twice
55
Primary Maxillary Canine - Facial View: The root displays a curvature ______ the distal
toward
56
Primary Maxillary First Molar - Mesial View: Which way does the crown taper?
Significantly toward the occlusal
57
Primary Maxillary First Molar - Mesial View: Mesiolingual cusp is ______ and ______ pointed than the mesiofacial cusp
taller and more
58
Primary Maxillary First Molar - Mesial View: A lingually-positioned _____ \_\_\_\_\_\_\_ ridge groove is present
mesial marginal
59
Primary Maxillary First Molar - Mesial View: Is the cervical line straight or curved? What is the slight exception to this rule?
Straight except for a slight occlusal curvature on the facial half of the crown, so…it's not straight
60
Primary Maxillary First Molar - Mesial View: Where is the proximal contact located?
Faciolingual center of the tooth
61
Primary Maxillary First Molar - Mesial View: Only _____ roots are evident from this view because the _______ root is super-imposed over the distofacial root
two, mesiofacial
62
Primary Maxillary First Molar - Mesial View: The _____ root inclines oit beyond the lingual confines of the crown and curves _______ in the apical one-third
Lingual, facially
63
Primary Maxillary First Molar - Mesial View: Where is the bifurcation between the mesiofacial and lingual roots found?
Cervical line
64
Primary Maxillary Second Molar - Occlusal View: How many cusps are on this tooth and what are their names from largest to smallest?
5 Cusps: mesiolingual, mesiofacial, distofacial, distolingual, and the 5th cusp of carabelli
65
Primary Maxillary Second Molar - Occlusal View:What is the crown outline shape considered?
somewhat rhomboidal, exhibiting a distal crown convergence
66
Primary Maxillary Second Molar - Occlusal View:Both ______ ridges are prominent
marginal
67
Primary Maxillary Second Molar - Occlusal View:The oblique ridge form is quite massive especially when compared to what tooth?
primary maxillary first molar
68
Primary Maxillary Second Molar - Occlusal View:There is a distinct ______ ridge involving the triangular ridges of the mesially postioned cusps
transverse
69
Primary Maxillary Second Molar - Occlusal View:The major fassa on the tooth include the ____ and ______ fossae
central and distal
70
Primary Maxillary Second Molar - Occlusal View: The minor fossae on the tooth include the _______ \_\_\_\_\_\_\_\_\_ fossa and ________ \_\_\_\_\_\_\_ fossa
Mesial triangular and distal triangular
71
Primary Maxillary Second Molar - Occlusal View:What is the distal oblique groove called when it is traveling onto the lingual surface?
lingual developmental groove
72
Primary Maxillary Second Molar - Occlusal View: The transverse groove of the oblique ridge crosses the ______ ridge and connects the _____ pit with the ______ pit
oblique, central and distal
