Podcast
Questions and Answers
What is the shape of the crown of the maxillary permanent canine from the labial aspect?
What is the shape of the crown of the maxillary permanent canine from the labial aspect?
- Smooth and convex with shallow depressions (correct)
- Flat with sharp edges
- Concave with deep grooves
- Rough and irregular
Which cusp slope is shorter on the maxillary permanent canine?
Which cusp slope is shorter on the maxillary permanent canine?
- Cingulum slope
- Distal cusp slope
- Mesial cusp slope (correct)
- Lingual cusp slope
In the lingual aspect of the maxillary permanent canine, what is the position of the cingulum?
In the lingual aspect of the maxillary permanent canine, what is the position of the cingulum?
- Along the mesio-distal center
- In the cervical third of the crown (correct)
- Near the apical third
- At the incisal edge
Which aspect of the maxillary canine exhibits deep depressions on the root?
Which aspect of the maxillary canine exhibits deep depressions on the root?
What common variation may occur with maxillary canines during eruption?
What common variation may occur with maxillary canines during eruption?
What feature is observed at the apex of the root of the maxillary permanent canine?
What feature is observed at the apex of the root of the maxillary permanent canine?
Which of the following statements correctly describes the mesial and distal outlines of the crown of the maxillary permanent canine?
Which of the following statements correctly describes the mesial and distal outlines of the crown of the maxillary permanent canine?
Which characteristic best describes the root form of the maxillary permanent canine?
Which characteristic best describes the root form of the maxillary permanent canine?
What stage is characterized by the transitional malalignment of anterior teeth being corrected by the eruption of canines?
What stage is characterized by the transitional malalignment of anterior teeth being corrected by the eruption of canines?
Which of the following best describes the eruption sequence of mandibular canines?
Which of the following best describes the eruption sequence of mandibular canines?
How does the size of a mandibular canine compare to a maxillary canine?
How does the size of a mandibular canine compare to a maxillary canine?
What surface feature distinguishes mandibular canines from maxillary canines?
What surface feature distinguishes mandibular canines from maxillary canines?
Which statement is true regarding the mesial and distal cusp slopes of mandibular canines?
Which statement is true regarding the mesial and distal cusp slopes of mandibular canines?
What is the characteristic outline shape of the distal surface of a mandibular canine?
What is the characteristic outline shape of the distal surface of a mandibular canine?
Where is the contact area located on a mandibular canine?
Where is the contact area located on a mandibular canine?
What feature is prominent on the lingual surface of a mandibular canine?
What feature is prominent on the lingual surface of a mandibular canine?
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Study Notes
Maxillary Canine
- Maxillary canines are responsible for tearing and piercing
- Maxillary canines typically erupt after the maxillary incisors and possibly after premolars
- If the maxillary canines erupt labially or lingually to surrounding teeth, can cause issues with occlusion and esthetics
- Issues with maxillary canine eruptions include:
- Can erupt out of alignment
- Can erupt labially
- Can erupt lingually
- Can be impacted
- The crown of the maxillary canines has smooth convex surfaces with labial ridge extending to the cervix
Anatomy of Maxillary Canine
- Labial Side: The mesial cusp slope is shorter than the distal cusp slope
- Root: Cone-shaped and smooth, slender when compared to the crown.
- Lingual Side: The crown and root narrow lingually, possess a large cingulum, and may have a pointed cusp
- Lingual Side: Has a well-developed lingual ridge sometimes confluent with the cusp tip, along with mesial and distal fossae
- Proximal surface: Broad for 2/3 of its length, tapering at the apical 1/3, with deep depressions on the mesial and distal surfaces of the root. The cervical lines curve towards the cusp, especially on the mesial surface
Mandibular Canines
- Mandibular canines erupt before maxillary canines
- Mandibular canines erupt after most incisors erupt
- Mandibular canines resemble maxillary canines but are narrower
- Mandibular canines are narrower labiolingually and mesiodistally
- The lingual surface of the mandibular canine is smoother than the maxillary canine
- Mandibular canines have a less-developed cingulum
- Mandibular canines have two marginal ridges
- Mandibular canines might have two roots and two root canals
- Mandibular canines have a mesial cusp that is shorter than the distal cusp slope
- Mandibular canines have a mesial outline that's slightly convex
- Mandibular canines have a distal outline that's slightly concave
- The middle lobe of the mandibular canine is well-developed with two depressions on either side of the ridge
- The cusp tip of the mandibular canine is centered over the root
- Mandibular canines have a prominent lingual ridge
- Mandibular canines have two fossae on either side of the ridge
- Mandibular canines have pronounced cingulum and marginal ridges
- Mandibular canines have cervical lines that curve towards the incisal
- Mandibular canines have a deep depression in the root surface
- Mandibular canines have a contact area that is at the junction of the incisal 1/3
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