Palm grasp: The instrument is held securely in the palm of the hand.

Pen grasp: The instrument is held in the same manner as a pen.

(Movement of fingers, wrist, and elbow.) OperatorвЂ™s Grasp (Movement of wrist and fingers.)Дescribe a class III motion and give an example. (Movement of fingers only.)Дescribe a class II motion and give an example. These motions only involve the fingers, wrist and elbows.Дescribe a class I motion and give an example. Instruments should be exchanged with class I, class II, and class III motions.

Reduced amount of time in the dental chair for the patient.

What is the static zone for a left-handed clinician? (10 oвЂ™clock to 12 oвЂ™clock.) Four-Handed Dentistry An ergonomically sound way to practice dentistry using the skills of the dental assistant while including work simplification techniques Instrument Transfer and Exchange What is the assistantвЂ™s zone for a left-handed clinician? (8 oвЂ™clock to 10 oвЂ™clock.) What is the transfer zone for a left-handed clinician? (5 oвЂ™clock to 8 oвЂ™clock.) What is the operator zone for a left-handed clinician? (5 oвЂ™clock to 8 oвЂ™clock.) What is the static zone for a right-handed clinician? (12 oвЂ™clock to 2 oвЂ™clock.) Operating zones for a left-handed operator. What is the assistantвЂ™s zone for a right-handed clinician? (2 oвЂ™clock to 4 oвЂ™clock.) What is the transfer zone for a right-handed clinician? (4 oвЂ™clock to 7 oвЂ™clock.) What is the operator zone for a right-handed clinician? (12 oвЂ™clock to 5 oвЂ™clock.) Operating zones for a right-handed operator.

This is the area with rear delivery or a unit that holds the handpieces, air-water syringe, and additional counter space. The static zone is directly behind the patient. The assistantвЂ™s zone is the area in which the assistant is positioned. The transfer zone is the zone in which instruments and dental materials are exchanged between the clinician and the dental assistant. The operatorвЂ™s zone is the zone in which the clinician is positioned. What affects the operatorвЂ™s position within the operating zone? This concept is the best way to identify the working position of the dental team, dental equipment, and supplies needed to perform a procedure. Operating zones are based on the вЂњclockвЂќ concept. Operating Zones Basic concept required for the efficient, comfortable practice of team dentistry

Basic dental instruments quiz