Question 450 · LDEK · Radiological diagnosis
The presence of the so-called „cervical burnout” on dental radiographs indicates:
- A. correct radiological tooth appearance.
- B. caries on the contact surface of the crown.
- C. circumferential caries of the root.
- D. presence of toothbrush abrasion.
- E. initial stage of external cervical resorption.
Hint
Consider what the X-ray beam passes through at the tooth neck, between the enamel margin and the alveolar crest.
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