Lecture 4 Mandibular Canine Flashcards
What is the general shape of the mandibular canine crown from the labial/vestibular aspect?
• A) Circular
• B) Triangular
• C) Pentagonal
• D) Oval
C) Pentagonal
In the labial/vestibular aspect of the mandibular canine crown, which outline is shorter and more convex?
• A) Mesial
• B) Distal
• C) Cervical
• D) Incisal
B) Distal
How does the cervical outline of the mandibular canine crown appear?
A) Concave
B) Straight
C) V-shaped with the V toward the incisor
D) Convex toward the apex
D) Convex toward the apex
What is the shape of the incisal edge of the mandibular canine crown?
• A) Straight
• B) Convex
• C) V-shaped
• D) Concave
C) V-shaped
How is the relief of the labial/vestibular aspect described?
•A) Flat
•B) Concave
•C) Convex in both MD and CI directions
•D) Flat-concave in the incisal third
C) Convex in both MD and CI directions
What is the general shape of the mandibular canine crown from the proximal aspect?
• A) Oval
• B) Triangular
• C) Rectangular
• D) Circular
B) Triangular
How does the labial outline of the mandibular canine crown appear from the proximal aspect?
• A) Convex and straight
• B) Concave and curved
• C) Flat and irregular
• D) Convex and irregular
A) Convex and straight
Which aspect of the mandibular canine crown shows a convex relief with maximum convexity in the incisal third?
• A) Labial/vestibular
• B) Lingual/palatal
• C) Proximal
• D) Cervical
C) Proximal
In the lingual/palatal aspect of the mandibular canine crown, how are the marginal ridges and cingulum described?
• A) Pronounced
• B) Less pronounced
• C) Flat
• D) Concave
B) Less pronounced
What is the typical length of the mandibular canine root?
• A) 10 mm
• B) 15 mm
• C) 20 mm
• D) 25 mm
B) 15 mm
At what age does the mandibular canine typically erupt?
• A) 6 years
• B) 9 years
• C) 12 years
• D) 15 years
B) 9
How is the mandibular canine crown described compared to the maxillary canine crown?
• A) More globular and rounded
• B) Similar but less chisel-shaped
• C) Similar but more chisel-shaped
• D) Smaller and more globular
C) Similar but more chisel-shaped
In the lingual/palatal aspect, how does the relief appear in the cervical third?
• A) Flat
• B) Concave
• C) Convex
• D) Straight
C) Convex
What is the shape of the lingual/palatal aspect relief in the incisal two-thirds of the crown?
• A) Flat-concave
• B) Flat-convex
• C) Convex
• D) Straight
A) Flat-Concave
In the proximal aspect of the mandibular canine, how does the lingual outline appear?
• A) Straight
• B) Convex and concave
• C) Flat
• D) Entirely convex
B) Convex and Concave
Which morphotype of the mandibular canine has one root and one canal?
• A) I Root - II Channels
• B) II Root - II Channels
• C) I Root - I Channel
• D) II Root - I Channel
C) 1Root - I Channel
What is a common clinical complication associated with the mandibular canine?
•A) Frequent fractures
•B) Periodontal disease more than caries
•C) High incidence of caries
•D) Rare endodontic problems
B) Periodontal disease more than caries
What describes the implantation of the mandibular canine?
• A) Poor and prone to loss
• B) Good, similar to molars
• C) Weak and difficult to extract
• D) Poor due to its anterior position
B) Good, similar to molars
Which feature is associated with the mandibular canine root?
A) Rounded and symmetrical
B) Flattened mesiodistally with a larger cross-section
C) Oval-shaped with no ditches
D) Rounded with multiple canals
B) Flattened MD with a larger cross-section
In terms of prosthetic reconstruction, what makes the mandibular canine challenging?
• A) Large volume
• B) Small volume
• C) Weak root structure
• D) Too many canals
B) Small volume
