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
“When canines can’t be used, lateral movements have posterior disocclusion guided by anterior teeth on the working side, instead of canine alone”, The observation is given by (The concept of anterior group function was by)
assistant
The correct answer is  The statement was given by Dawson in 1974. He called this Anterior group function.