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104 Cards in this Set
- Front
- Back
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Which tooth has the greatest axial inclination relative to the occlusal plane?
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Max. Central Incisor
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What is the longest and widest anterior tooth and the most prominent tooth in the mouth?
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Max. Central Incisor
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In Max. Central which outline is more convex?
Mesial/Distal |
Distal
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In Max. Central what is the widest part of the crown outline?
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wider mesiodistally than faciolingually
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What are the characteristics of the Max. central root?
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One root - one canal
Conical - blunt apex Only max. tooth equal in thickness in all dimensions Not usual to have pulp horns |
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In Max. Central which incisal corner is more rounded?
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Distoincisal
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Where are the mesial and distal contact areas centered?
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Faciolingually centered
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Where is the cingulum of the Max. Central located?
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Off-center toward the distal
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What two teeth does the Max. central occlude with?
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Mand. Central and Lateral incisors
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What tooth has the narrowest incisal embrasure?
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Max. Central
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Which teeth have the most variable crown shape of all permanent teeth?
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Max. Third molars
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What is the shortest permanent tooth?
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Max. 3rd molar
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What teeth are congenitally missing or non functional
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Max. 3rd molar
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What tooth has a crown that tapers more from buccal to lingual
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Max. 3rd molar
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What tooth frequently only has three cusps and is sometimes difficult to identify each?
DL cusp is frequently absent Oblique ridge is poorly developed |
Max. 3rd molar
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What tooth has roots that are unpredictable and usually short and fused?
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Max. 3rd molar
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What is sometimes fused to the distal of the Max. third molar?
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A small molar called a paramolar
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What teeth does the Max. 3rd molar occlude with?
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Mand. third molar only
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How is the Mand. lateral incisor tilted?
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Tilted distally on the root
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What are the characteristics of the Lateral Mand. incisor's root?
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One root - small % with two canals
Very narrow mesiaodistally Concavities on mesial and distal surfaces |
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In an anterior cross bite relationship (class III), as the mand. retrudes what teeth do the max. laterals contact?
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Mand. canine and lateral.
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Which tooth is the most often restored extracted and replaced?
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Mand. first molar
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What tooth has the largest mesiodistal dimension of any tooth?
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Mand. first molar
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What is the occlusal outline of the Mand. first molar?
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Pentagonal "home plate" outline
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Which dimension is larger on a Mand. first molar?
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Mesiodistal slightly greater than the faciolingual
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What are the characteristics of the Mand. first molar roots?
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2 roots - 3 canals
(second in mesial root) Roots widely separated Short root trunk |
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What is the largest mandibular cusp?
Smallest? |
Mesiobuccal
Distal |
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Which cusps on a mand. first molar are higher and pointy?
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Lingual cusps
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What is the occlusal pattern of Mand. first molars?
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2 Transverse ridges
3 fossae with pits crooked central groove |
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What is another name for mand. first molars?
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Six-year molars
first permanent tooth to erupt |
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What tooth has a mesiolingual developmental groove?
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Mand. first premolar
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What is the shape of the mand. first premolar
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Bell-shaped, cervical very constricted
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What has a more prominent buccal ridge?
Mand. first/second premolar |
Mand. first premolar
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What are the characteristics of the Mand. first premolar?
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one
short and pointed broader facially than lingually no distal curvature slight concavities on mes. and dis. |
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What are the characteristics of the buccal cusp of mand. first premolar
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large
occupies 2/3rds of occlusal surface Prominent triangular ridge |
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What has a small lingual cusp which is about 2/3rd the height of the buccal cusp and is non-functioning?
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Mand. first premolar
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What crown usually has no central groove and its mesial marginal ridge is more cervical than the distal marginal ridge?
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Mand. first molar
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What does the Mand. first premolar mimic in masticatory function?
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Mand. canine
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What is the most reliable distinguishing feature of the mand. third molar?
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Marked distal inclination of the root trunk
2 roots |
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What tooth has bulbous crowns that taper from the mesial to the distal?
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Mand. third molars
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What dimension is larger in a Mand. third molar?
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Mesial distal dimension over the faciolingual dimension
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Is the root trunk of the mand. third molar long or short?
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Long
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What kind of anomalies are more common in the mand. third molar?
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Oversized
Undersized in Max. third molars |
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Which cusps are wider and longer on the mand. third molar?
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MB cusps over the DB cusps
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What is the occlusal appearance of the Mand. third molars?
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Irregular groove pattern with many supplemental grooves
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What is the most distinguishable difference between the max. first and second premolars
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The number of roots
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Which tooth is more symetrical and less angular?
Max. first/second premolar |
Max. second premolar
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What are the dimensions of the max. second premolar?
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Wider faciolingually than mesiodistally
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How many roots does the max. second premolar have?
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1
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What tooth has two cusps that are almost equal in height?
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Maxillary second premolar
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What two teeth have a mesial inclination?
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Max. first and second premolars
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Which cusp ridge is longer in a Max. second premolar?
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DBCR instead of the MBCR
(opposite of max. first premolar) |
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What is the occlusal pattern of the second max. premolar?
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shorter central groove than first premolar with more supplemental grooves
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What tooth has a rhomboidal shape that is sometimes accompanied by a fifth cusp?
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Max. first molars
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The Max. first molar is broadest in which dimension?
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Broader lingually than buccally
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What two angles of a Max. first molar are Obtuse?
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ML and DB
Acute = MB and DL |
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What are the characteristics of the Max. first molar's roots?
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3
MB often has two canals (MB an ML) MB and ML hive higher pulp horns than distal and palatal |
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What cusp is always the largest and highest on any posterior tooth?
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ML
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What tooth has a pronounced cervical concavity that needs special attention when root planning, and is the second tooth to erupt after the mand. first molar?
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Max. first molar
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Which tooth generally has the longest roots in the dental arch
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Max. canines
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What tooth represents a transition form the anterior to the posterior, where its mesial resembles the incisors and its distal posterior teeth
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Max. Canine
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What tooth is wider labiolingually and from a proximal view appears to be positioned vertically in the arch?
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Max. Canine
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What does the heavy root of the max. canine result in?
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Canine eminence
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Where does the cusp tip of the Max. molar appear to be from the incisal view?
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mesial-facial of the crown
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What groove does the max. canine have that no other tooth has?
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Lingual-gingival groove
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What is the least often extracted tooth?
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Max. Canine and Mand. canine
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What tooth has a lingual groove which extends from the enamel to the cementum area of the root?
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Max. Lateral Incisor
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True/False:
The root lengths of Max. Central and Lateral incisors are equal. |
True
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What are the characteristics of the root of the Lateral maxi. incisor?
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one
Apex is pointed and deviates to distal |
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What is the most concave surface of all the incisors and has a linguoincisal ridge that is well developed?
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Max. lateral Incisor
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What might the lateral max. incisor have that would be prone to decay?
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Radicular groove
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What teeth does the max. lateral incisor occlude with?
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Incisal edge of the Mand. lateral and canine
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What is the tooth that is most often in an abnormal relation and contact with adjacent teeth in the same arch?
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Max. lateral Incisors
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What is the Anterior tooth which is most often absent congenitally?
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Max. lateral Incisor
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What tooth besides the third molars experiences the most variation in form?
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Max. lateral Incisors
"Peg shaped" or "Dens in Dente" |
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What is the last anterior tooth to begin calcification at 10 months?
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max. lateral incisors
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What is the mesial concavity on the Max. first premolar called?
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Mesial developmental depression
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What premolar is longer occluso-cervically than any its adjacent premolar first molar and second molar?
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Max. First premolar
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What is the only premolar that has two roots?
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Max. first Premolar
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Where is the lingual cusp directed on the Max. first premolar?
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towards the distal of the tooth
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What is the anterior tooth that is most likely to have a bifurcated root?
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Mandibular Canine
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What tooth has the greatest faciolingual measurement being greater than the greatest mesiodistal measurement?
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Mandibular Canine
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What are the characteristics of the root of the Mand. canine?
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1
Poss. bifurcated (Labial/lingual) Poss. developmental depression on mesial surface |
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Which way is the Mand. canine cusp tip displaced?
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Lingually
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On Mand. canine which cusp ridge is shorter?
Distal/Mesial |
Distal cusp ridge
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What is significant about the mesial surface of the mand. canine?
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Almost parallel to the long axis of the tooth
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The fact that the mand. canine is smooth, slender and has less well developed labial and lingual ridges allows for what?
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Mand. canine is very caries resistant
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What do all canine have that is found on the labial surface in the incisal third just mesial to the labial ridge?
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Mesiolabial developmental depression
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What tooth can exhibit three types of occlusal patterns?
What are they? |
Mand. Second Premolars
Y, H, U Types |
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What is the most usual type of Mand. second premolar and how may lobes does it develop from?
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Y-type
5 lobes |
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What is the occlusal shape of the Mand. second premolar?
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Square
shorter and wider than first premolar |
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What are the characteristics of the Mand. second premolar root?
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1
apex approximates the mental foramen thicker and longer than mand. 1st premolar |
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What tooth is wider on the lingual than on the buccal, most frequently has a lingual pit and has no mesiolingual groove or tansverse ridge?
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Mand. second premolar
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Which molar is least likely to need a buccal pit restoration?
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Max. second molar
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What are two major differences between the Max. 1st and 2nd molars?
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2nd molar:
Nonexistent DL cusp More angular than the first molar |
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What is different about the roots of second max. molars compared to max. first molars?
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They bend more distal and have a longer root trunk
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What is the hardest tooth to determine right from left?
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Mand. second molar
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What is the occlusal outline of the mand. second molar?
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rectangular
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Where is the greatest faciolingual diameter located on the Mand. second molar?
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mesial third of the crown
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What are the characteristics of the Mand. second molar root?
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2
Closer together straighter than 1st not as broad Faciolingually as 1st Longer root trunk than 1st |
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What is the occlusal pattern of a Mand. second molar?
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Plus sign
Straight central groove more secondary developmental grooves 2 transverse ridges |
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What is the most distinguishing feature of the Mand. second molar?
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has only one buccal groove and one buccal pit
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What is the smallest tooth in the dental arch?
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Mand. Central incisor
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What is the shape of the mesial and distal surfaces of the root of a Mand. central incisor?
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Concave
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