system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Each of the following is a feature of papillary hyperplasia except:
assistant
The correct answer is  Papillary hyperplasia is characterized by multiple papillary projections of the epithelium caused by local irritation, poor-ﬁtting denture, poor oral hygiene, and leaving dentures in all day and night.