Restorative & Materials · single question
The correct shoulder-margin width in a crown preparation is determined by all of the following EXCEPT:
Show answer and explanation
Correct answer: C. Esthetics
- A. Axial reduction relates directly to margin dimensions/clearance.
- B. Material type dictates required thickness (e.g., zirconia vs. metal), affecting margin width.
- C. Correct (the EXCEPTION). Esthetics influences margin placement/visibility but is not what determines the required structural width of the shoulder.
- D. Margin preparation technique inherently defines the shoulder width.
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