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
In diagnosing the carious lesions, the tooth surface is examined visually. Which of the following is not considered as visual examination?
assistant
The correct answer is  The caries can be detected by 

Visual methods (Cavitation, Chalky appearance of teeth)
Tectile methods (Checking carefully by using an explorer)