Question 103 (part 2) · LDEK · Caries diagnosis
Stage 2 according to Billings’ root caries classification means:
- A. discoloration from yellow to brown.
- B. surface defect <0.5 mm.
- C. surface defect >0.5 mm.
- D. surface defect <1 mm.
- E. surface defect >1 mm.
Hint
Billings grades root caries from a non-cavitated lesion to pulp involvement, using 0.5 mm depth as the key threshold.
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