Podcast
Questions and Answers
Which incisor has a trapezoidal facial shape?
Which incisor has a trapezoidal facial shape?
- Maxillary Central Incisor (correct)
- Mandibular Lateral Incisor
- Mandibular Central Incisor
- Maxillary Lateral Incisor
The incisal shape of the Mandibular Central Incisor is ovoid.
The incisal shape of the Mandibular Central Incisor is ovoid.
False (B)
What is the distinctive feature of the facial shape of the Mandibular Lateral Incisor?
What is the distinctive feature of the facial shape of the Mandibular Lateral Incisor?
Rectangular
The Maxillary Lateral Incisor has a facial shape that is _____ and an incisal shape that is _____
The Maxillary Lateral Incisor has a facial shape that is _____ and an incisal shape that is _____
Match the following descriptions with the correct incisor:
Match the following descriptions with the correct incisor:
Which teeth surface has the steepest CEJ curvature?
Which teeth surface has the steepest CEJ curvature?
The mesial surface of a tooth is the proximal surface towards the midline.
The mesial surface of a tooth is the proximal surface towards the midline.
What is the identifying number for the permanent mandibular left canine?
What is the identifying number for the permanent mandibular left canine?
The minimum number of lobes from which any tooth may develop is ____.
The minimum number of lobes from which any tooth may develop is ____.
Which of the following terms is specific to the canines?
Which of the following terms is specific to the canines?
A pit is the lingual lobe of an anterior tooth.
A pit is the lingual lobe of an anterior tooth.
The facial height of contour on a permanent maxillary canine is located in the ____ third.
The facial height of contour on a permanent maxillary canine is located in the ____ third.
Match the following identifying numbers with the correct tooth:
Match the following identifying numbers with the correct tooth:
What unique feature do canines possess in the permanent dentition?
What unique feature do canines possess in the permanent dentition?
The more anterior the tooth, the more apical are the locations of the proximal contacts.
The more anterior the tooth, the more apical are the locations of the proximal contacts.
Identify the tooth corresponding to #6 in the permanent dentition.
Identify the tooth corresponding to #6 in the permanent dentition.
In a three-cusped mandibular premolar, the order of cusp size from largest to smallest is __________.
In a three-cusped mandibular premolar, the order of cusp size from largest to smallest is __________.
Match the following features with their corresponding teeth:
Match the following features with their corresponding teeth:
Which of the following statements about interproximal contacts is correct?
Which of the following statements about interproximal contacts is correct?
Wear of contact areas has no effect on interdental spacing.
Wear of contact areas has no effect on interdental spacing.
Which maxillary premolar is likely to have five lobes?
Which maxillary premolar is likely to have five lobes?
The oblique ridge in maxillary molars is formed by the junction of the distobuccal and mesiobuccal triangular cusp ridges.
The oblique ridge in maxillary molars is formed by the junction of the distobuccal and mesiobuccal triangular cusp ridges.
What is the primary function of proper interproximal contacts?
What is the primary function of proper interproximal contacts?
The __________ third molar is known for its more complex morphology.
The __________ third molar is known for its more complex morphology.
What characteristic differentiates the first maxillary premolar from the second?
What characteristic differentiates the first maxillary premolar from the second?
Match the types of teeth with their characteristic functions:
Match the types of teeth with their characteristic functions:
What is the shape of the incisal view of the mandibular canine?
What is the shape of the incisal view of the mandibular canine?
The maxillary first premolar has a longer central groove than the second premolar.
The maxillary first premolar has a longer central groove than the second premolar.
How many roots does a maxillary first molar typically have?
How many roots does a maxillary first molar typically have?
The occlusal view of the maxillary first molar is ___.
The occlusal view of the maxillary first molar is ___.
Match the following teeth with their unique features:
Match the following teeth with their unique features:
Which of the following describes the shape of the occlusal view for mandibular second premolars?
Which of the following describes the shape of the occlusal view for mandibular second premolars?
The buccal cusp of the maxillary first premolar is smaller than the lingual cusp.
The buccal cusp of the maxillary first premolar is smaller than the lingual cusp.
What is a distinguishing feature of mandibular first premolars?
What is a distinguishing feature of mandibular first premolars?
The occlusal view of the maxillary second molar is ___.
The occlusal view of the maxillary second molar is ___.
Which tooth type has a heart-shaped occlusal view?
Which tooth type has a heart-shaped occlusal view?
The mandibular second molar has a rectangular occlusal shape.
The mandibular second molar has a rectangular occlusal shape.
In which canine is the cingulum more rounded compared to the other?
In which canine is the cingulum more rounded compared to the other?
The maxillary first molar has a prominent ___ ridge compared to the maxillary second molar.
The maxillary first molar has a prominent ___ ridge compared to the maxillary second molar.
What is the shape of the occlusal view of the mandibular first molar?
What is the shape of the occlusal view of the mandibular first molar?
If the maxillary sinus is perforated during a surgical extraction of the maxillary first molar, which root is most likely involved?
If the maxillary sinus is perforated during a surgical extraction of the maxillary first molar, which root is most likely involved?
The Cusp of Carabelli is a fifth cusp present on the ML cusp of the maxillary first molars.
The Cusp of Carabelli is a fifth cusp present on the ML cusp of the maxillary first molars.
What feature is unique to the permanent maxillary molars?
What feature is unique to the permanent maxillary molars?
The mesial surface of the maxillary first premolar has a _____ concavity.
The mesial surface of the maxillary first premolar has a _____ concavity.
Which premolar exhibits a Y-shaped central developmental groove?
Which premolar exhibits a Y-shaped central developmental groove?
The distal marginal ridge of the mandibular second premolar is positioned higher than the mesial marginal ridge.
The distal marginal ridge of the mandibular second premolar is positioned higher than the mesial marginal ridge.
Match the following types of premolars with their distinctive features:
Match the following types of premolars with their distinctive features:
What characteristic makes the mandibular first premolar hard to distinguish left from right?
What characteristic makes the mandibular first premolar hard to distinguish left from right?
Flashcards
Maxillary Central Incisor Facial
Maxillary Central Incisor Facial
The facial surface of a maxillary central incisor is trapezoidal.
Mandibular Central Incisor Facial
Mandibular Central Incisor Facial
The facial surface of a mandibular central incisor is trapezoidal
Maxillary Lateral Incisor Facial
Maxillary Lateral Incisor Facial
Facial surface of maxillary lateral incisor is trapezoid.
Mandibular Lateral Incisor Facial
Mandibular Lateral Incisor Facial
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Canine Labial Ridge
Canine Labial Ridge
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Maxillary Canine Facial
Maxillary Canine Facial
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Maxillary Canine Mesial
Maxillary Canine Mesial
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Maxillary Canine Incisal
Maxillary Canine Incisal
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Maxillary Canine Cingulum
Maxillary Canine Cingulum
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Maxillary Canine Fossae
Maxillary Canine Fossae
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Mandibular Canine Facial
Mandibular Canine Facial
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Mandibular Canine Mesial
Mandibular Canine Mesial
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Mandibular Canine Incisal
Mandibular Canine Incisal
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Mandibular Canine Fossae
Mandibular Canine Fossae
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Mandibular Canine Cingulum
Mandibular Canine Cingulum
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Maxillary First Premolar Buccal
Maxillary First Premolar Buccal
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Maxillary First Premolar Mesial
Maxillary First Premolar Mesial
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Maxillary First Premolar Occlusal
Maxillary First Premolar Occlusal
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Maxillary Second Premolar Buccal
Maxillary Second Premolar Buccal
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Maxillary Second Premolar Mesial
Maxillary Second Premolar Mesial
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Steepest CEJ Curvature
Steepest CEJ Curvature
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Anterior Tooth Facial Outline
Anterior Tooth Facial Outline
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Mesial/Distal Triangle
Mesial/Distal Triangle
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Distal Height of Contour (Mandibular Canine)
Distal Height of Contour (Mandibular Canine)
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Line Angles
Line Angles
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Permanent Mandibular Left Canine
Permanent Mandibular Left Canine
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Minimum Number of Tooth Lobes
Minimum Number of Tooth Lobes
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Permanent Maxillary Right Canine
Permanent Maxillary Right Canine
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Interproximal Contacts
Interproximal Contacts
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Central Pit
Central Pit
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Marginal Ridges
Marginal Ridges
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Mesial & Distal
Mesial & Distal
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Cusp
Cusp
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Junction of middle and cervical thirds
Junction of middle and cervical thirds
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Proximal Contact Locations
Proximal Contact Locations
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Canine Numbers
Canine Numbers
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Tooth #6
Tooth #6
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Number of Premolar Lobes
Number of Premolar Lobes
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Mandibular Premolar Cusp Order
Mandibular Premolar Cusp Order
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Maxillary Molar Roots
Maxillary Molar Roots
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Maxillary Sinus Perforation
Maxillary Sinus Perforation
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Maxillary First Premolar Mesial Features
Maxillary First Premolar Mesial Features
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Fissure Groove
Fissure Groove
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Cusp of Carabelli
Cusp of Carabelli
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Maxillary First Molar Roots
Maxillary First Molar Roots
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Premolar Size
Premolar Size
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Premolar Left/Right Distinction
Premolar Left/Right Distinction
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Mandibular First Premolar Pits
Mandibular First Premolar Pits
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Study Notes
Incisors
- Maxillary central incisor: Facial trapezoidal, mesial triangular, incisal triangular.
- Mandibular central incisor: Facial trapezoidal, mesial triangular, incisal ovoid.
- Maxillary lateral incisor: Facial trapezoidal, mesial triangular, incisal triangular.
- Mandibular lateral incisor: Facial rectangular, mesial triangular, incisal ovoid; cingulum offset from center; distolingual twist from incisal view; least square disto-incisal line angle.
Canines
- Maxillary canine: Facial pentagonal, mesial triangular, incisal rhomboidal, large cingulum, 2 deep fossae.
- Mandibular canine: Facial pentagonal, mesial triangular, incisal rhomboidal, narrower than maxillary, 2 fossa, cingulum may be off center.
Maxillary Premolars
- First premolar: Buccal trapezoid, mesial trapezoid, occlusal hexagonal, buccal cusp larger than lingual; long, defined central groove; mesial-marginal ridge passes marginal ridge; lingual cusp tilted towards mesial.
- Second premolar: Buccal trapezoid, mesial trapezoid, occlusal ovoid, cusp shorter than 1st; mesial marginal groove does not cross marginal ridge; central groove shorter than 1st.
Mandibular Premolars
- First premolar: Buccal trapezoid, mesial rhomboidal, occlusal diamond, 2 cusps, buccal cusps visible, 1 root, transverse ridge/ML groove.
- Second premolar: Buccal trapezoid, mesial rhomboidal, occlusal square, 2-3 cusps, no transverse ridge/ML groove, buccal cusps not visible from lingual.
Maxillary Molars
- First molar: Widest, buccal trapezoidal, occlusal rhomboidal, 3 roots (curved distally + flared), cusp of carabelli (lingual aspect).
- Second molar: Buccal trapezoidal, occlusal rhomboidal, 3 roots, buccal cervical ridge more prominent than 1st, more supplementary roots than 1st.
- Third molar: Buccal trapezoidal, occlusal heart-shaped, root trunk height longest + tallest, roots usually fused (buccal aspect), lingual lobe largest, many accidental grooves (unless worn).
Mandibular Molars
- First molar: Widest, buccal trapezoidal, occlusal hexagonal, 2 roots widely separated, nearly vertical, distal cusp = 5th cusp, narrow cervical dimension.
- Second molar: Buccal trapezoidal, occlusal rectangular, mesial rhomboidal, roots shorter but trunk height longer, cusps nearly equal.
- Third molar: Smallest and varies the most, buccal trapezoid, occlusal ovoid, mesial rhomboid, roots fused or separate; similar to second molar; cervical dim least narrow.
Maxillary Premolars
- First Premolar: Buccal cusp slightly longer; mesial marginal developmental groove; crosses marginal ridges; mesial developmental depression; 2 roots (buccal + lingual); lingual cusp tilted toward mesial; H-shaped grooves.
- Second Premolar: Single root; buccal lingual cusps equal; marginal ridge lower on distal.
Mandibular Premolars
- First premolar: Large buccal cusp; small lingual cusp, more pointed; mesiolingual developmental groove; prominent buccal triangular ridges.
- Second premolar: Larger than 1st; only premolar with 3 cusps (ML>DL); could have central pit; Y-shaped central groove.
Maxillary Molars
- First molar: Largest crown in dentition; buccal = trapezoidal; occlusal = rhomboidal; three roots, curved distally + flared; cusp of carabelli (lingual aspect); large buccal cervical ridge more prominent than first molar; supplementary roots more prevalent than first molar.
- Second molar: Buccal-trapezoidal; Occlusal = rhomboidal; 3 roots; buccal cervical ridge more prominent than 1st; more supplementary roots than 1st.
- Third molar: Buccal-trapezoidal; occlusal = heart-shaped; root trunk height longest + tallest; roots usually fused; lingual lobe largest; many accidental grooves (unless worn).
Mandibular Molars
- First molar: Widest; buccal = trapezoidal; occlusal = hexagonal; 2 roots widely separated, nearly vertical; distal cusp = 5th cusp; narrow cervical dimension.
- Second molar: Buccal = trapezoidal; occlusal = rectangular; mesial = rhomboidal; roots shorter but trunk height longer; cusps nearly equal
- Third molar: Smallest + varies the most; buccal = trapezoidal; occlusal = ovoid; mesial = rhomboid; roots fused or separate; similar to second molar; cervical dim least narrow.
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Description
Test your knowledge of dental anatomy with this comprehensive quiz focused on incisors and canines. You'll explore distinctive features, shapes, and identifying numbers of various teeth. Perfect for dental students and professionals alike!
