Quiz #2 Flashcards
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.
proximal incisal CEJ
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
- Smooth
- 2; 3
- Middle; cusp
- Facial; cervical
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.
- Distal
- Lingual
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.
- Incisal; embrasure
- CEJ; root
Which has a more curved (or pointed to the distal) root: permanent central incisor or permanent lateral incisor?
permanent lateral incisor
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.
- Mesial; distal; bifurcated; two
- Straight; lingual
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.
- Straight; mesiodistally
- Slants; parallel
- Cingulum; distal
- Twisted; rotated
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.
- Distal; mesial
- Same; one-third
- Proximal; incisal
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 ______.
- Flat
- Convex
Is the incisal third of the facial surface of the central incisor fairly flat or convex?
fairly flat
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.
- All four cusps visible
- lingually
- slightly
- both roots visible
- distal root converges
- developmental root surface depression
The central incisor has a __________ shaped lingual fossa, while the lateral incisor has a __________ shaped fossa.
trapezoidal triangular
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
- Greater
- Faciolingually; lingual
- Lingual; Lingual
The crests of the cingulum of both incisors are offset to the ________.
distal
From the incisal view, both incisors display contact areas that are centered ___________.
faciolingually
Does the central incisor exhibit minimal variation or most variable permanent teeth?
minimal variation
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)
- Trapezoidal; incisal
- Right
- Sharp; 90
Is the incisal third of the facial surface of the lateral incisor fairly flat or convex?
convex
Which is more angular: permanent central incisor or permanent lateral incisor?
permanent central incisor
From a ________ view, the lateral incisor frequently displays a ________ or carious _______ pit, while the central incisor does not.
lingual fissured lingual
Does the central lateral exhibit minimal variation or most variable permanent teeth?
most variable permanent teeth
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)
- Diamond
- Greater
- Bulkier
- Mesial; distal
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.
- Mesial
- Distofacial; distal
Which is larger: permanent central incisor or permanent lateral incisor?
permanent central incisor
___ 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
____ are ectopically erupted primarily toward the lingual side.
____ are ectopically erupted primarily toward the facial side.
Maxillary lateral incisors
Maxillary canines
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)
The most commonly rotated tooth is the ____ followed by the ____ and then the ____.
maxillary second premolar, maxillary incisors, maxillary first premolar
____ 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)
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
____ 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
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.
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
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
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.
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
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
Which teeth are smaller in overall size and crown
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Primary teeth <!--EndFragment-->
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
Primary teeth are ____ (lighter or darker) in color.
lighter (milk teeth)
Primary _____ (anterior or posterior) teeth (molars) have roots that are more widely flared
posterior
Roots of primary anterior teeth are _____ and _______ compared to their respective crown
narrower and longer
Narrow roots with wide crowns produce what?
marked difference in the cervical area
Primary Maxillary Central Incisor - Incisal View: ______ measurement is greater than the _______
Mesiodistal and faciolingual
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
Primary Maxillary Central Incisor - Incisal View: _____ surface is much wider ( and smoother) than the _____ surface
Facial, lingual
Primary Maxillary Central Incisor - Incisal View: Lingual surface tapers (gets smaller) towards the ______
cingulum
Primary Maxillary Central Incisor - Incisal View: Mesial and distal surfaces are reatively _____, enabling good contact with the adjoining teeth.
wide
Primary Maxillary Canine - Facial View: What is the outline form?
diamond or arrow shaped
Primary Maxillary Canine - Facial View: Where is the postion of the cusp?
slightly distal of the center of the tooth
Primary Maxillary Canine - Facial View: Mesial cuspal ridge is slightly _____ than the distal cuspal ridge
longer
Primary Maxillary Canine - Facial View: The proximal contact locations are at the _____ level
same
Primary Maxillary Canine - Facial View: _______ ridge location is slightly on the distal half
Facial
Primary Maxillary Canine - Facial View: The root length is _____ that of the crown
twice
Primary Maxillary Canine - Facial View: The root displays a curvature ______ the distal
toward
Primary Maxillary First Molar - Mesial View: Which way does the crown taper?
Significantly toward the occlusal
Primary Maxillary First Molar - Mesial View: Mesiolingual cusp is ______ and ______ pointed than the mesiofacial cusp
taller and more
Primary Maxillary First Molar - Mesial View: A lingually-positioned _____ _______ ridge groove is present
mesial marginal
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
Primary Maxillary First Molar - Mesial View: Where is the proximal contact located?
Faciolingual center of the tooth
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
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
Primary Maxillary First Molar - Mesial View: Where is the bifurcation between the mesiofacial and lingual roots found?
Cervical line
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
Primary Maxillary Second Molar - Occlusal View:What is the crown outline shape considered?
somewhat rhomboidal, exhibiting a distal crown convergence
Primary Maxillary Second Molar - Occlusal View:Both ______ ridges are prominent
marginal
Primary Maxillary Second Molar - Occlusal View:The oblique ridge form is quite massive especially when compared to what tooth?
primary maxillary first molar
Primary Maxillary Second Molar - Occlusal View:There is a distinct ______ ridge involving the triangular ridges of the mesially postioned cusps
transverse
Primary Maxillary Second Molar - Occlusal View:The major fassa on the tooth include the ____ and ______ fossae
central and distal
Primary Maxillary Second Molar - Occlusal View: The minor fossae on the tooth include the _______ _________ fossa and ________ _______ fossa
Mesial triangular and distal triangular
Primary Maxillary Second Molar - Occlusal View:What is the distal oblique groove called when it is traveling onto the lingual surface?
lingual developmental groove
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
