Ch. 21 Radiology

ch-21-radiology

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Question 1 of 1

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The compact and dense bone that lines the outside layers of the maxilla and mandible is called cancellous bone.

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Explanation

the compact and dense bone that lines the outside layers of each arch is Cortical bone. cancellous bone(spongy bone) forms the bulk of the inner bone

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Normal radiographic landmarks will always appear the same on both the right and left sides.

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The maxillary sinus refers to an empty space within the maxilla.

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Explanation

Visible in maxilla in most PA's from canines to molars

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The maxillary sinus refers to an empty space within the maxilla.

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Cortical bone appears radiopaque.

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Bony tissues will appear radiopaque on radiographs.

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Enamel, cementum, and dentin are all considered varying degrees of radiolucency.

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Explanation

Although all three of these dense, calcified tooth structure vary in radiopacity in direct portion to their thickness, for descriptive purposes all are considered radiopaue (pg 296)

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The pulp chamber and root canals appear radiopaque.

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When beginning the interpretation process, first determine if the intraoral radiographs are anterior or posterior.

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Explanation

determine in Maxillary or Mandibular

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The mandibular canal is a radiopaque feature of mandibular posterior radiographs.

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Ch. 21 Radiology

Question 1 of 1

Time Left

The compact and dense bone that lines the outside layers of the maxilla and mandible is called cancellous bone.

Select the correct answer(s).

(0/0)

Explanation

Normal radiographic landmarks will always appear the same on both the right and left sides.

Select the correct answer(s).

(0/0)

The maxillary sinus refers to an empty space within the maxilla.

Select the correct answer(s).

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Explanation

The maxillary sinus refers to an empty space within the maxilla.

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Cortical bone appears radiopaque.

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Bony tissues will appear radiopaque on radiographs.

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Enamel, cementum, and dentin are all considered varying degrees of radiolucency.

Select the correct answer(s).

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Explanation

The pulp chamber and root canals appear radiopaque.

Select the correct answer(s).

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When beginning the interpretation process, first determine if the intraoral radiographs are anterior or posterior.

Select the correct answer(s).

(0/0)

Explanation

The mandibular canal is a radiopaque feature of mandibular posterior radiographs.

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The hamular process is a radiopaque structure observed only on the most posterior intraoral radiographs.

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Bone is classified as cortical bone and spongy or ____________ bone.

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