Podcast
Questions and Answers
What is the most likely location of the proximal contact area of the maxillary central incisors?
What is the most likely location of the proximal contact area of the maxillary central incisors?
- Centered labiolingually
- Centered mesiodistally (correct)
- Centered gingivocervically
- Centered incisocervically
Which feature is NOT typically observed on the labial aspect of the maxillary central incisors?
Which feature is NOT typically observed on the labial aspect of the maxillary central incisors?
- Isolated shallow grooves
- Well-defined cingulum
- Mamelons
- Mesial longitudinal depression (correct)
What is the characteristic feature of the lingual fossa of the maxillary central incisors?
What is the characteristic feature of the lingual fossa of the maxillary central incisors?
- Broad and wide (correct)
- Deep and narrow
- Narrow and shallow
- Absent
Which statement about the incisal ridge of the maxillary central incisors is true?
Which statement about the incisal ridge of the maxillary central incisors is true?
What is the likely location of the mesial cervical line of the maxillary central incisors?
What is the likely location of the mesial cervical line of the maxillary central incisors?
Which landmark on the maxillary Incisor is a smaller elevation on some portion of the crown produced by an extra formation of enamel?
Which landmark on the maxillary Incisor is a smaller elevation on some portion of the crown produced by an extra formation of enamel?
Where is the mesial height of contour (contact area) located on the labial aspect of the maxillary Incisor?
Where is the mesial height of contour (contact area) located on the labial aspect of the maxillary Incisor?
What is the shape of the root of the maxillary Incisor, and how does it compare to the crown in terms of length?
What is the shape of the root of the maxillary Incisor, and how does it compare to the crown in terms of length?
Which landmark on the maxillary Incisor makes up the bulk of the cervical third of the lingual surface?
Which landmark on the maxillary Incisor makes up the bulk of the cervical third of the lingual surface?
Where is the distal height of contour (contact area) located on the labial aspect of the maxillary Incisor?
Where is the distal height of contour (contact area) located on the labial aspect of the maxillary Incisor?
Flashcards
Maxillary Central Incisor Contact Area
Maxillary Central Incisor Contact Area
The mesial and distal contact areas are positioned equally on the tooth, creating a symmetrical alignment.
Maxillary Central Incisor Labial Feature
Maxillary Central Incisor Labial Feature
The mesial longitudinal depression is a feature commonly seen on the labial surface of the maxillary lateral incisor, not the central incisor.
Maxillary Central Incisor Lingual Fossa
Maxillary Central Incisor Lingual Fossa
The lingual fossa of the maxillary central incisor is wide and expansive, contributing to the tooth's overall shape.
Maxillary Central Incisor Incisal Ridge
Maxillary Central Incisor Incisal Ridge
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Maxillary Central Incisor Cervical Line
Maxillary Central Incisor Cervical Line
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Maxillary Incisor Tubercle
Maxillary Incisor Tubercle
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Maxillary Incisor Mesial Height of Contour
Maxillary Incisor Mesial Height of Contour
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Maxillary Incisor Root Morphology
Maxillary Incisor Root Morphology
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Maxillary Incisor Cingulum
Maxillary Incisor Cingulum
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Maxillary Incisor Distal Height of Contour
Maxillary Incisor Distal Height of Contour
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Study Notes
Maxillary Central Incisors
- The proximal contact area is likely located at the mesial third of the clinical crown, near the cervical line.
- The feature NOT typically observed on the labial aspect of the maxillary central incisors is a prominent labial ridge.
- The lingual fossa of the maxillary central incisors is characterized by a prominent, deep, and narrow V-shaped groove.
- The incisal ridge of the maxillary central incisors is typically straight, and its edges are sharp.
- The mesial cervical line of the maxillary central incisors is likely located at or near the cervical third of the clinical crown.
- The landmark on the maxillary incisor that is a smaller elevation on some portion of the crown produced by an extra formation of enamel is a mammelon.
- The mesial height of contour (contact area) on the labial aspect of the maxillary incisor is located at the junction of the cervical and middle thirds of the crown.
- The root of the maxillary incisor is single-rooted, and it is approximately 2-3 times longer than the crown.
- The bulk of the cervical third of the lingual surface of the maxillary incisor is made up by the cingulum.
- The distal height of contour (contact area) on the labial aspect of the maxillary incisor is located at the junction of the middle and incisal thirds of the crown.
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