Question 208 (part 2) · LDEK · Crowns
The range of the crown in relation to gingiva may be: supra, infra and gingival. If we choose infragingival preparation, depth of grinding should be of:
- A. 0,2-0,5 mm.
- B. 0,5-1,0 mm.
- C. 1,2-1,5 mm.
- D. 1,5-2,0 mm.
- E. 2.0-2.5 mm.
Hint
The margin must hide in the gingival sulcus without invading the junctional epithelium and the biological width.
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