<prompt> Nicolskys sign is seen inPemphigusChronic desquamative gingivitisHaily Haily diseaseAll of the above  <response>: Nicolskys signIf non ulcerated gingiva are massaged, epithelium readily strips from connective tissue to tive surface, which bleeds readily. Seen inPemphigusChronic desquamative gingivitisHaily-Haily diseaseEpidermolysis bullosa 