Question 217 · LDEK · Cavity preparation
Enamel margin beveling in class IV before the application of the composite material does not result in:
- A. increase in enamel etching efficiency.
- B. removal of the prismatic enamel layer.
- C. increase in fluoride content in the outer layer of the enamel.
- D. improvement of aesthetics.
- E. increase in adhesion surface size of the filling.
Hint
Ask what bevelling removes from the enamel surface — and which component is most concentrated in that outermost layer.
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