Difference between permanent canines #WikiDentia

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Dental morphology

1. The permanent maxillary canine erupts:

1 point

a. After the eruption of mandibular canine

b. Before eruption of both the maxillary premolars

c. After the eruption of one or both maxillary premolars

d. Both a and c

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2. The labial ridge is prominent in:

1 point

a. Maxillary canine

b. Mandibular canine

c. Both

d. None

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3. Among the permanent canines:

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a. The maxillary canine crown is bulkier and broader

b. Mandibular canine crown is longer and narrower

c. Crowns of both the canines are of same size

d. Both a and b

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4. Which of the following statements is true about permanent canines?

1 point

a. The cusp is sharp and well developed in maxillary canine

b. Angle formed by the mesial and distal cusp ridges is wider in mandibular canine

c. The occlusal portion occupies 1/3rd of the crown length in maxillary canine ; while it occupies 1/5th of the crown length in mandibular canine

d. All of the above

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5. Which of the following statements is true regarding contact areas of permanent canines?

1 point

a. Mesial and distal contact areas are markedly at dissimilar levels in maxillary canine

b. Contact areas are placed more incisally in mandibular canine

c. Contact areas are placed at same level in maxillary and mandibular canines

d. Both a and b

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6. When permanent mandibular canine is viewed from labial aspect, the crown is:

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a. Upright on the root base

b. Tilted mesially on the root base

c. Tilted distally on the root base

d. None of the above

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7. The cingulum is:

1 point

a. More prominent in maxillary canine

b. More prominent in mandibular canine

c. Small in both the canines

d. Prominent in both the canines

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8. Lingual ridge is often seen dividing the lingual fossa into two small fossae in:

1 point

a. Maxillary canine

b. Mandibular canine

c. Maxillary central incisor

d. Maxillary lateral incisor

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9. When maxillary canine is viewed proximally, the cusp tip is:

1 point

a. On line with the vertical root axis

b. Labial to the vertical root axis

c. Lingual to the vertical root axis

d. Distal to the vertical root axis

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10. When mandibular canine is viewed proximally, the cusp tip is:

1 point

a. On line with the vertical root axis

b. Labial to the vertical root axis

c. Lingual to the vertical root axis

d. Distal to the vertical root axis

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