James P. Boyd, DDS - The TMDaVinci Code

James P. Boyd, DDS - The TMDaVinci Code - Purposeful Function 3

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Normal incising with minimal resistance (start) - Incising upon considerable resistance (0:08) - Crushing considerable resistance (0:36) - Trigeminal motor circuitry completion (2:26) - Occluding circuitry completion (5:08) - Motor activity = Masticatory activity (8:46) - Fourth factor of motor activity (8:46)