Podcast
Questions and Answers
Which aspect of the tooth shows a well-developed cingulum?
Which aspect of the tooth shows a well-developed cingulum?
The cervical line of the tooth shows a more even and straighter curvature that is centered over the distal side.
The cervical line of the tooth shows a more even and straighter curvature that is centered over the distal side.
False
What divides the lingual fossa into mesial lingual fossa and distal lingual fossa?
What divides the lingual fossa into mesial lingual fossa and distal lingual fossa?
Lingual ridge
The crown is wedge-shaped with the tip of the cusp located ______ to the midline.
The crown is wedge-shaped with the tip of the cusp located ______ to the midline.
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Match the following tooth characteristics with their corresponding descriptions:
Match the following tooth characteristics with their corresponding descriptions:
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What feature characterizes the mesial surface of a canine?
What feature characterizes the mesial surface of a canine?
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The cervical line of a canine curves towards the distal aspect.
The cervical line of a canine curves towards the distal aspect.
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A shallow developmental depression extends from the cervical line halfway to the apex of the root for _____ and to prevent root rotation.
A shallow developmental depression extends from the cervical line halfway to the apex of the root for _____ and to prevent root rotation.
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Match the following aspects of the canine with their descriptions:
Match the following aspects of the canine with their descriptions:
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What is the typical shape of the distal aspect of a canine's crown?
What is the typical shape of the distal aspect of a canine's crown?
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What function do maxillary canines primarily serve?
What function do maxillary canines primarily serve?
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Maxillary canines have the shortest root length among all anterior teeth.
Maxillary canines have the shortest root length among all anterior teeth.
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The maxillary canine resembles an incisor in comparison to its four developmental lobes, which are ___ facial and ___ lingual.
The maxillary canine resembles an incisor in comparison to its four developmental lobes, which are ___ facial and ___ lingual.
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At what age does the eruption of maxillary canines typically occur?
At what age does the eruption of maxillary canines typically occur?
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Match the following characteristics with their respective descriptions:
Match the following characteristics with their respective descriptions:
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The cervical line of the maxillary canine is centered on the tooth.
The cervical line of the maxillary canine is centered on the tooth.
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Which aspect of the maxillary canine has a smoother surface?
Which aspect of the maxillary canine has a smoother surface?
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What shape does the root of a maxillary canine typically have?
What shape does the root of a maxillary canine typically have?
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Study Notes
Canine Overview
- Canine teeth are the longest in the mouth and are located at the corners of the mouth.
- They have extremely long roots, providing strong anchorage in the bone.
- Their placement requires extra stability, provided by the long and shaped roots.
- Canine teeth function as holding and tearing tools, working alongside the incisors and premolars.
- They are the most stable teeth in the mouth.
- Their V-shape in the mouth dissipates pressure that could force other teeth out of alignment.
Canine Development
- Calcification begins around four months.
- Enamel completion happens at age 6-7 years.
- Eruption occurs between the ages of 11-12 years.
- Root completion occurs between the ages of 13-15 years.
Labial Aspect
- The crown and root have a narrower mesiodistal width than maxillary central incisors.
- The maxillary canines have the longest root length among the anterior teeth.
- The cervico-incisal length is long, second only to the maxillary central incisors and mandibular canines.
- The mesial incisal slope is shorter than the distal slope.
- The disto-incisal angle is more rounded than the mesio-incisal angle.
- The labial surface is smooth.
- The cervical line crests slightly mesial to the center of the tooth.
- Two shallow depressions, or developmental lines, divide the three developmental lobes on the crown.
- The middle lobe is larger and extends incisally to form the single cusp.
- The cusp tip is centered in the middle of the tooth.
Lingual Aspect
- The crown and root taper towards the lingual side.
- The cervical line shows a straighter curvature, centered over the tooth's middle.
- A well-developed cingulum
- A well-developed lingual ridge connects to the cingulum and runs from the cusp tip.
- The lingual ridge divides the lingual fossa into mesial and distal fossae.
- The fossae are bordered by the mesial or distal marginal ridge, lingual ridge, and incisal ridge.
- The tooth is wider labio-lingually than a maxillary central incisor due to the presence of the cingulum.
Mesial Aspect
- The crown is wedge-shaped with the cusp tip labial to the midline.
- The mesial crown outline is straighter than the lateral outline, with a slight convexity at the contact area.
- The center of the contact area is approximately at the junction of the incisal and middle thirds of the crown.
- The tooth has the greatest labio-lingual dimension of all anterior teeth at the cervical third.
- The entire labial surface is more convex from the cervical line to the cusp tip than any other maxillary anterior tooth.
- The mesial surface is entirely convex except for a small flat area between the contact area and the cervical line.
- The root is broad labio-lingually, extremely long with a blunt apex.
- A shallow development depression extends from the cervical line halfway to the apex of the root to prevent root rotation.
Distal Aspect
- The crown outline is rounded in appearance.
- The contact area is usually at the center of the middle third of the crown.
- This makes the distal convexity appear larger and more uniform.
- The cervical line curves towards the cusp an average of 1.5mm.
- The distal marginal ridge is heavier than the mesial marginal ridge.
- The distal surface shows more concavity above the contact area.
- The root surface may have a more pronounced developmental depression than the mesial side.
Incisal Aspect
- The cusp tip is formed by the junction of four ridges.
- The cusp tip is labial to the center of the crown labio-lingually and mesial to the center mesiodistally.
- The incisal surface is wide mesio-distally.
- The tooth has the thickest labio-lingual measurement of any anterior tooth.
- The distal aspect appears thinner than the mesial aspect.
Pulp Cavity
- The pulp chamber is large with a single pulp horn extending towards the cusp tip.
- The single root canal is usually straight, but can be tortuous when the root is curved.
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Description
Explore the unique features and development stages of canine teeth. Learn about their function, anatomical structure, and the timeline of their growth from infancy to adulthood. This quiz provides an in-depth look into one of the most significant types of teeth in the mouth.
