Question 116 · LDEK · Crowns
The acceptable depth of the subgingival margin of the prosthetic crown is:
- A. 1-2 mm.
- B. 2-3 mm.
- C. 0-0.5 mm.
- D. 0.5-1 mm.
- E. bottom of the gingival sulcus.
Hint
The margin must stay within the sulcus without touching the junctional epithelium — think in fractions of a millimetre.
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