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
Wiggly appearance of the master cone in the root canal suggests:
assistant
The correct answer is  If the cone goes to length and radiographically exhibits a wiggly or S-shaped appearance, the cone is too small for the canal and a larger cone must be selected.