CPT CPT Radiographic Analysis & Bone Assessment

Question 1

Which radiographic technique provides the most accurate image of alveolar bone levels?

Accepted Answer

Periapical radiograph with paralleling technique

Answer

Periapical radiographs using the paralleling technique minimize distortion and provide the most accurate representation of alveolar bone levels.

Question 2

On a periapical radiograph, normal alveolar bone crest height is typically located:

Accepted Answer

1–2 mm apical to the CEJ

Answer

Normal alveolar bone crest height is approximately 1–2 mm apical to the cementoenamel junction on radiographic examination.

Question 3

Horizontal bone loss on a radiograph indicates:

Accepted Answer

Even bone resorption affecting multiple teeth at a similar level

Answer

Horizontal bone loss presents as generalized, even bone resorption affecting multiple teeth at a relatively uniform level.

Question 4

A triangular-shaped radiolucency at the interproximal crest most likely suggests:

Accepted Answer

Early bone loss due to periodontitis with loss of lamina dura

Answer

A triangular radiolucency at the interproximal crest indicates early loss of the lamina dura and beginning periodontal bone destruction.

Question 5

Which radiographic finding is most consistent with localized aggressive periodontitis?

Accepted Answer

Arc-shaped vertical bone loss around first molars and incisors

Answer

Localized aggressive periodontitis characteristically shows arc-shaped or vertical bone loss around first molars and incisors in younger patients.

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