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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
Dryopithecus pattern is the characteristic feature of:
assistant
The correct answer is  In a mandibular first molar mesiolingual cusp joins the distobuccal cusp along the floor of the central fossa, this is known as dryopethicus pattern.