Restorative & Materials · single question
Which method best helps you IDENTIFY a crack/fracture?
Show answer and explanation
Correct answer: B. Methylene blue dye
- A. Incorrect. SDF is used to arrest caries, not to detect cracks.
- B. Correct. Methylene blue dye seeps into and stains a crack line, making fractures visible (also transillumination). Cracks often do not show on radiographs.
- C. Incorrect. Hairline/vertical cracks are frequently NOT visible on standard radiographs.
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