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dentist & the dental assistant work closely together to accomplish 4 goals

increase patient comfort, Provide quality dental care, Reduce the time needed for dental treatment, minimize the stress and fatigue of the clinical team

Dental Chair

Designed to support the body, with patients confort in mind. Adjustable headrest, support for the arms, swivel the chair, adjustment controls to move the chair back & 2 raise or lower chair.

Operators Stool

Designed to support the body for a long period of time. five casters for movement and balance, adjustable seat, broad base, adjustable back

Assistant's Stool

Designed to provide stability, mobility, and comfort. Broad base with platform base, wide base seat, abdominal bar, foot bar for support

Operating light

Illuminates the oral cavity. Iridescent light, track mounted

Air-water syringe

Used in all procedures to rinse or dry a limited area or the complete mouth. The air is also used to keep mouth mirror dry and clean.

Air-water syringe

Prodives a stream of water, a stream of air, and a combined sray of air & water

Oral Evacuation System

Removes excess fluids & debris from the patients mouth. Saliva ejector, High-volume evacuator (HVE)

Curing light

Activates the polymerization of resins/composites lighted wand, timer controlled


Triturates encapsulated dental materials covered for hazardous substance management, timer

Dental Unit

Provides the electrical and air operated mechanics to the equipment high and low speed handpieces, air-water syringe, saliva ejector, HVE

Three essential responsibilities in admitting the patient

Greet the patient in the preception area by name and escort back to the treatment room. Place patient's personal items in a safe and out of the way of the procedure. Answer any questions about the treatment

Posistions that the patient is placed in

1. Upright posistion, Supine Position, Subsupine position

Upright Positiion

Used for patient entry and dismissal

Supine Position

most dental treatment takes place in this position

Subsupine Position

Only during an emergency situation. The patients head is actually lower than their feet.

Static Zone

Directly behind the patient. A dental unit can be positioned here, as well as a mobile cabinet

Operator's Zone

To the side of the patient. The dentist is seated and moves in this area

Assistant's zone

To the oopposite side of the patient from the operator. A mobile cabinet can be positioned to hold the instruments and dental materials

Transfer Zone

Directly over the patients chest. this is the area where the instruments and dental materials are exchanged. special caution must be taken not to transfer anything over the patients face

Right-handed operators zone

7-12 o'clock

Left-handed operators zone

12-5 o'clock

Right-handed transfer zone

4-7 o'clock

Left handed transfer zone

5-8 o'clock

Right-handed assistants zone

2-4 o'clock

Left-handed assistants zone

8-10 o'clock

right-handed Static Zone

12-2 o'clock

Left handed Static Zone

10-2 o'clock

Types of Grasps

pen grasps, palm grasps, palm-thumb grasps

Types of rinsing

Limited area, complete mouth rinse

Limited Area

Performed frequently because debris accumulates during preparation of the tooth

Complete Mouth rinse

Performed at the completion of a dental procedure

Saliva Ejector

Used to remove small amounts of saliva or water from patient's mouth. Placement is simple and comfprtable for the patient

High-volume Oral Ejector (HVE)

Used for moisture control to remove saliva, blood, water, and debris from the mouth

The HVE tip

Used to keep the back of the mouth free from saliva, blood, water, and debris. Retract the tongue or cheek away from the procedure site. Reduce the bacterial aerosol caused by the high-speed handpiece.

Improper or careeless use

Can cause soft tissie damage. If this happens, rotate the angle of the tip to break the suction or quickly turn off to release tissue.

Isolation Technique Cottom Rolls

Used during most restorative procedures, such as placing a compsite or amalgam, or while cementing a cast restoration, and sealants.

Isolation Technique Dry-Angles

Triangle shaped absorbent pad to help isolate posterior areas in both the maxillary & mandibular arches

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