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Dental Anatomy 1
Compares differences and characteristics of each individual tooth. Contains some terminology.
124
Dentistry
Undergraduate 1
10/07/2012

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Cards

Term
Widest anterior tooth mesiodistally.
Definition
Maxillary Central Incisors
Term
Mesioincisal edge near 90o
Definition
Maxillary Central Incisors
Term
Mesial to mesial proximal contact.
Definition
Maxillary and Mandibular Central Incisors
Term
Incisal edge is labial to root axis line.
Definition
Maxillary Central and Lateral Incisors
Term
Incisal edge is lingual to root axis line
Definition
Mandibular Central and Lateral Incisors
Term
Incisal edge wears lingually
Definition
Maxillary Central and Lateral Incisors
Term
Has three pulp horns - two sharp and one rounded
Definition
Maxillary Central Incisors
Term
Eruption date for maxillary central incisors
Definition
7-8 years
Term
Eruption date for mandibular central incisors
Definition
6-7 years
Term
Smaller crown, but root is the same length as its counterpart in the arch
Definition
Maxillary Lateral Incisors
Term
Lingual anatomical features are more prominent than its counterpart in the arch
Definition
Maxillary and Mandibular Lateral Incisors
Term
Crown is wider mesiodistally than labiolingually
Definition
Maxillary Central and Lateral Incisors
Term
Labial surface more convex than its counterpart in the arch
Definition
Maxillary Lateral Incisors
Term
Root tip bends distally
Definition
Maxillary and Mandibular Lateral Incisors
Term
Incisal edge wears labially
Definition
Mandibular Central and Lateral Incisors
Term
Eruption date for maxillary lateral incisors
Definition
8-9 years
Term
Bilaterally symmetrical
Definition
Mandibular Central Incisors
Term
Cingulum is small, centered and has no grooves, accessory ridges or pits
Definition
Mandibular Central Incisors
Term
Smaller crown and shorter root than its counterpart in the arch
Definition
Mandibular Central Incisors
Term
Crown is wider labiolingually than mesiodistally
Definition
Mandibular Central and Lateral Incisors
Term
Occludes with only one opposing tooth
Definition
Mandibular Central Incisors only occlude with Maxillary Central Incisors
Term
Distolingual twist of incisal edge
Definition
Mandibular Lateral Incisors and Mandibular Canines
Term
Eruption date for mandibular lateral incisors
Definition
7-8 years
Term
Develops from four lobes: three labial, one lingual (cingulum)
Definition
All Incisors
Term
Height of contour of the labial and lingual surfaces located in the cervical third
Definition
All Incisors
Term
Has one root canal
Definition
All Incisors
Term
More prominent labial ridge
Definition
Maxillary Canines
Term
More prominent lingual ridge
Definition
Maxillary Canines
Term
Distal contact located in middle third of tooth
Definition
Maxillary Canines
Term
Blunt apex
Definition
Maxillary Canines
Term
Cusp tip located labial to root axis line
Definition
Maxillary Canines
Term
Root often bends distally in the apical 1/3
Definition
Maxillary Canines
Term
Mesial cusp ridge gets longer with attrition
Definition
Maxillary Canines
Term
Distal cusp ridge gets shorter with attrition
Definition
Maxillary Canines
Term
Eruption date of maxillary canines
Definition
11-12 years
Term
Pointed apex
Definition
Mandibular Canines
Term
Cusp tip located lingual to root axis line
Definition
Mandibular Canines
Term
Smoother lingual surface than its counterpart in the opposing arch
Definition
Mandibular Canines
Term
Root often bifurcated in apical 1/3
Definition
Mandibular Canines
Term
Mesial cusp ridge gets shorter with attrition
Definition
Mandibular Canines
Term
Distal cusp ridge gets longer with attrition
Definition
Mandibular Canines
Term
Eruption date of mandibular canines
Definition
9-10 years
Term
Only teeth to have a labial ridge
Definition
Canines
Term
Known as the "conerstones" of the arches
Definition
Canines
Term
Has two lingual fossae
Definition
Canines
Term
Root is narrower on lingual side than on labial side (Tapers lingually)
Definition
Canines
Term
Mesial cusp ridge is shorter upon eruption
Definition
Canines
Term
Distal cusp ridge is longer upon eruption
Definition
Canines
Term
Has a mesial developmental depression present on crown and root
Definition
Maxillary First Premolars
Term
Buccal cusp is larger and longer than the lingual cusp
Definition
Maxillary First Premolars
Term
Central developmental groove is longer than its counterpart in the arch
Definition
Maxillary First Premolars
Term
Mesial marginal developmental groove crosses mesial marginal ridge
Definition
Maxillary First Premolars
Term
Usually has two root canals, even if there is only one root
Definition
Maxillary First Premolars
Term
Occlusal outline is hexagonal
Definition
Maxillary First Premolars
Term
Only premolar to have two roots
Definition
Maxillary First Premolars
Term
Only permanent tooth that has a mesial cusp ridge longer than distal cusp ridge upon eruption
Definition
Maxillary First Premolars
Term
Which maxillary premolar is larger than it's counterpart in the arch?
Definition
Maxillary First Premolars
Term
Eruption date of maxillary first premolars
Definition
10-11 years
Term
Maxillary premolar that usually has one root
Definition
Maxillary Second Premolars
Term
Buccal and lingual cusps are nearly the same height
Definition
Maxillary Second Premolars
Term
Facial contour is less angular than its counterpart in the arch
Definition
Maxillary Second Premolars
Term
Developmental grooves are shorter, shallower and more irregular than its counterpart in the arch
Definition
Maxillary Second Premolars
Term
Occlusal outline is ovoid
Definition
Maxillary Second Premolars
Term
Eruption date of maxillary second premolars
Definition
10-12 years
Term
Which maxillary premolars have transverse ridges?
Definition
Maxillary First and Second Premolars
Term
Resemble mandibular canines
Definition
Mandibular First Premolars
Term
Only premolar that may have a transverse ridge that doesn't cross an occlusal developmental groove. (Snake Eyes)
Definition
Mandibular First Premolars
Term
Premolar whose root occasionally does bifurcate
Definition
Mandibular First Premolars
Term
Large, sharp buccal cusp centered directly over the root
Definition
Mandibular First Premolars
Term
Characterized by a mesiolingual developmental groove
Definition
Mandibular First Premolars
Term
Eruption date for mandibular first premolars
Definition
10-12 years
Term
Resembles a small molar
Definition
Mandibular Second Premolars
Term
Premolar that may have a two or three cusp pattern
Definition
Mandibular Second Premolars
Term
Which mandibular premolar is larger than its counterpart in the arch?
Definition
Mandibular Second Premolars
Term
Buccal cusp slopes meet at 130angle
Definition
Mandibular Second Premolars
Term
Premolar whose root does not have a tendency to bifurcate
Definition
Mandibular Second Premolars
Term
Occlusal groove pattern may be Y, U, or H
Definition
Mandibular Second Premolars
Term
Premolar with three pits present
Definition
Mandibular Second Premolars
Term
Eruption date of mandibular second premolars
Definition
11-12 years
Term
Has an afuctional lingual cusp
Definition
Mandibular Premolars
Term
Maxillary first molars have how many cusps?
Definition
4-5 cusps
Term
May have cusp of Carabelli
Definition
Maxillary First Molars
Term
Where is cusp of Carabelli located?
Definition
2mm cervical to the tip of mesiolingual cusp
Term
Has a buccal pit at the end of the buccal groove
Definition
Maxillary First Molars
Term
Has three roots with four root canals
Definition
Maxillary First Molars
Term
Has a banana shaped lingual root
Definition
Maxillary First Molars
Term
Which root in the maxillary first molar has two root canals?
Definition
Mesiobuccal Root
Term
Has the most prominent oblique ridge in the arch
Definition
Maxillary First Molars
Term
Maxillary second molars have how many cusps?
Definition
4 cusps
Term
Maxillary second molars have how many root canals?
Definition
3
Term
Maxillary third molars have how many cusps?
Definition
3-5 cusps
Term
Maxillary third molars have how many root canals?
Definition
3
Term
Has the most wrinkled appearance of maxillary molars
Definition
Maxillary Third Molars
Term
Which maxillary molar has the longest root trunk?
Definition
Maxillary Third Molars
Term
Maxillary molars develop from how many lobes?
Definition
4-5
Term
Shorter occlusal/cervically, but wider buccolingually
Definition
Maxillary Molars
Term
Only teeth to be trifurcated
Definition
Maxillary Molars
Term
Name the maxillary molar roots from largest to smalls.
Definition
Lingual, Mesiobuccal, Distobuccal
Term
How many triangular ridges do maxillary molars have?
Definition
5
Term
Has a mesial transverse ridge and oblique ridge
Definition
Maxillary Molars
Term
Maxillary molars have how many pits? Name them.
Definition
3; central, mesial, distal
Term
Maxillary molars have how many large fossa? Name them.
Definition
2; central and distal linear
Term
Maxillary molars have how many small fossa? Name them.
Definition
2; mesial triangular, distal triangular
Term
Distal marginal ridge is more cervically located
Definition
Maxillary Molars
Term
Mesial marginal ridge is more occlusally located
Definition
Maxillary Molars
Term
Occlusal outline is a pentagon
Definition
Mandibular First Molar
Term
Usually has five cusps
Definition
Mandibular First Molars
Term
Has five triangular ridges and two transverse ridges
Definition
Mandibular First Molars
Term
Occlusal groove pattern is a Y
Definition
Mandibular First Molars
Term
Roots are widely separated
Definition
Mandibular First Molars
Term
Central groove is crooked
Definition
Mandibular First Molars
Term
Occlusal outline is rectangular
Definition
Mandibular Second Molars
Term
Usually has four cusps that are almost equal in size
Definition
Mandibular Second Molars
Term
More prominent buccal cervical ridge on the mesiobuccal side
Definition
Maxillary Second Molars
Term
Has four triangular ridges and two transverse ridges
Definition
Mandibular Second Molars
Term
Occlusal groove pattern is a +
Definition
Mandibular Second Molars
Term
Central groove is straight
Definition
Mandibular Second Molars
Term
Occlusal outline is rectangular or oval if four cusped, and heart shaped if three cusped
Definition
Mandibular Third Molars
Term
Usually has 3-4 cusps
Definition
Mandibular Third Molars
Term
Roots are usually fused
Definition
Mandibular Third Molars
Term
Usually have two roots and three canals
Definition
Mandibular Molars
Term
On mandibular molars, which root will have two canals?
Definition
Mesial root; it will have a mesiobuccal canal and mesiolingual canal
Term
Buccal cervical ridge is a characteristic of which teeth?
Definition
Mandibular Molars
Term
Have three fossa and three pits. They taper distally and lingually.
Definition
Mandibular Molars
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