Question 131 · LDEK · Bullous diseases and lichen planus
Kobner’s sign is positive in:
- A. herpetic gingivostomatitis.
- B. leukoplakia.
- C. lichen planus.
- D. recurrent aphthous stomatitis.
- E. pemphigus.
Hint
Which disease develops new typical lesions at sites of trauma, such as along the occlusal line or next to sharp restorations?
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