Podcast
Questions and Answers
Which characteristic feature is not associated with the incisor's crown?
Which characteristic feature is not associated with the incisor's crown?
- Presence of mamelons
- Incisal ridge and edge
- Well marked marginal ridges (correct)
- Lingual fossa
What is the major function of the incisors?
What is the major function of the incisors?
- To aid in phonetics
- To grind food during mastication (correct)
- To maintain a desirable esthetic appearance
- To support the lips
What is the principal identifying feature of the permanent maxillary central incisor?
What is the principal identifying feature of the permanent maxillary central incisor?
- Multiple tapered roots
- Rounded distal outline
- Square or rectangular appearance (correct)
- Convex mesial outline
What is the term used when an angle is formed by the occlusal wear which creates flattened surface linguo-incisally?
What is the term used when an angle is formed by the occlusal wear which creates flattened surface linguo-incisally?
What makes up the complete incisal portion of the crown?
What makes up the complete incisal portion of the crown?
Which aspect of the permanent maxillary central incisor has a crest of curvature near the mesio-incisal angle?
Which aspect of the permanent maxillary central incisor has a crest of curvature near the mesio-incisal angle?
What is the shape of the crown when viewed from the mesial aspect?
What is the shape of the crown when viewed from the mesial aspect?
What is the feature of newly erupted teeth that wears off with age?
What is the feature of newly erupted teeth that wears off with age?
Where is the crest of curvature located on the distal outline of the crown?
Where is the crest of curvature located on the distal outline of the crown?
What is the shape of the root when viewed in cross-section?
What is the shape of the root when viewed in cross-section?
What is the direction of curvature of the cervical outline of the crown?
What is the direction of curvature of the cervical outline of the crown?
What is found below the cervical line on the lingual aspect of the crown?
What is found below the cervical line on the lingual aspect of the crown?
How does the lingual outline of the crown change from the cingulum to the incisal ridge?
How does the lingual outline of the crown change from the cingulum to the incisal ridge?
Which part of the tooth tapers lingually?
Which part of the tooth tapers lingually?
Where is the incisal edge centered on the labial aspect?
Where is the incisal edge centered on the labial aspect?
How does the mesio-distal dimension compare between labial and lingual surfaces?
How does the mesio-distal dimension compare between labial and lingual surfaces?
