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23 Cards in this Set
- Front
- Back
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The crown of a mandibular lateral incisor, compared to the crown of a mandibular central incisor in the same mouth, is BEST described as... |
wider mesiodistally |
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Which of the following incisors has its mesial and distal contact areas at the same incisocervical levels? |
Mandibular central |
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Which of the following teeth have proximal contact areas at approximately the same levels cervicoincisally, or cervico-occlusaly, on the mesial and the distal? |
Mandibular central incisors |
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Which of the following represents the third pair of permanent teeth to erupt in normal sequence? |
Mandibular lateral incisors |
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Which of the following provides the most reliable criterion for differentiating permanent mandibular central incisors from permanent mandibular lateral incisors? |
Difference in rotation of the crown on the root |
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Which of the following illustrations represents the mesial view of a mandibular right lateral incisor? |
2 |
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The drawing below is a cross section at mid-root of what permanent tooth? |
Mandibular central incisor |
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Which of the following anterior teeth are characterized by having the distal contact area in a more apical position than the mesial? |
(a), (b) and (d)
(a) Maxillary central incisor (b) Maxillary lateral incisor (d) Mandibular lateral incisor |
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Characteristics common to all mandibular anterior teeth include... |
(b), (d) and (e)
(b) inconspicuous cingulae (d) Incisal edges placed slightly lingually (e) continuous convexity inciso-apically on the facial |
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Which of the following BEST describes the location of the cervical line on a mandibular lateral incisor? |
On the distal, it is more apical than on the mesial |
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In anesthetizing the mandibular teeth, local infiltration is most likely to be effective in the... |
incisor area |
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The incisal edge takes an oblique course appearing as if twisted around the long axis of the root. This describes most succinctly the... |
mandibular lateral incisor - incisal view |
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Which of the following teeth has its distal proximal contact area located entirely in the incisal or the occlusal one-third? |
Mandibular lateral incisor |
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Which of the following is NOT characteristic of a mandibular lateral incisor? |
From both the incisal and the labial views, the crown is said to be "bilaterally symmetrical" |
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Which of the following are characteristic of the incisal edge of a permanent mandibular central incisor? |
(a), (b) and (c)
(a) Is relatively straight (b) Intersects a plane bisecting the tooth into mesial and distal halves at a right angle to the plane (c) Crosses the tooth parallel and slightly lingual to a plane bisecting the tooth into facial and lingual halves |
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Which of the following characteristics is common to all permanent incisors? |
Mesial and distal contact areas are approximately centered faciolingually |
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Which of the following sketches illustrates the lingual view of the permanent mandibular right lateral incisor? |
5 |
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Which of the following permanent roots are thin mesiodistally, wide faciolingually and concave on both mesial and distal surfaces? |
Mandibular central incisor |
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The drawing below is a cross section of what permanent tooth? |
Mandibular central incisor |
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In anesthesia of the mandibular arch, local infiltration is most likely to be effective in the... |
incisor area |
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Which of the following features would be an aid in distinguishing a maxillary lateral incisor from a mandibular lateral incisor? |
More pronounced lingual fossa of the maxillary lateral |
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Which of the following permanent teeth is usually bilaterally symmetric when viewed labially and incisally? |
Mandibular central incisor |
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Initiation of calcification for the mandibular central incisor normally occurs at... |
3-4 months of age |
