Question 321 · LDEK · Fixed restorations
Biological width is:
- A. natural protection zone of periodontal ligament and the top of alveolar process.
- B. gingival groove.
- C. periapical area of a tooth.
- D. cementoenamel junction.
- E. tension equilibrium of periodontal ligaments.
Hint
Think of the junctional epithelium and connective tissue attachment lying between the sulcus and the alveolar crest.
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