Chairside Setup, Zones, and Ergonomics

Label the operator, assistant, transfer, and static zones for four-handed dentistry using the clock concept.

Position the dental chair and headrest appropriately for basic maxillary and mandibular procedures.

Adjust the assistant stool, body position, and working height to maintain neutral posture.

Identify common ergonomic errors in chairside scenarios and select a corrective adjustment.

Arrange a basic procedure tray and dental-unit workspace in an efficient sequence of use.

Perform a pre-procedure check of the chair, light, suction, air-water syringe, and required supplies.