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Realistic sex doll heads are changing early diagnosis training. The Mayo Clinic's oral model integrates an AI sensing system, and 23 precancerous lesion modules are hidden at the bottom of the tongue. When the trained doctors use a special spectrometer to scan, the mucosal leukoplakia at different stages will emit differentiated fluorescence. This immersive training reduces the misdiagnosis rate by 52%. The traditional sex doll torso, however, lack precise oral structures and are unable to simulate key operations such as temporomandibular joint examinations. Manufacturers are implanting microsensors in the gums to assess the intensity of the examination in real time to avoid discomfort to patients in clinical practice.