The dental chair is the portion of the dental unit where the patient sits during consultation and treatment procedures. It is the most important component of the dental unit as patient comfort is of utmost significance in dentistry. The dental chair consists of a control system to move the chair upward, downward, forward and backward as per the convenience of the clinician. The headrest is for support and comfort of the patients. It can be tilted forward and backward. The backrest and armrest on the chair are adjustable and body contoured.