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
According to Arnott grading system, both Ascending ramus and tuberosity is affected in:
assistant
The correct answer is  Arnott grading
I: Both side Ascending Ramus affected.
II: Both Ascending Ramus + tuberosity
III: Entire maxilla + mandible