Preclinical Hygiene Wk. 1

air/water syringe

Can spray air, water, or aerosolized water

water

Left button of air/water syringe

air

Right button of air/water syringe

long side

Which side of the air/water syringe tip is inserted into the syringe

sterilizable and disposable

Two types of air/water syringe tips

saliva ejector

For small amounts of saliva only, not for aerosol reduction

Bendable

low volume evacuator

Another name for saliva ejector

sides of mouth

Where should the saliva ejector be used?

no

Should patients close their mouth around a low or high volume evacuator?

evacuator lever

Must be turned on or off all the way

rubber stick

The removable portion of the saliva ejector that must be thrown away after single use

high volume evacuator

Which evacuator is bigger in size and has a a bigger hose

no

Can both the HVE and LVE be turned on at the same time?

no

Is the inside of the evacuator hoses sterile?

side with hole

Which side of the HVE goes into the patient’s mouth

high volume evacuator

Used for large amount of water and for any aerosol producing procedure

no

Can you rest the HVE suction on soft tissue?

handpiece

A handheld, mechanical instrument used to hold rotary burs for cutting, grinding, shaping, and polishing teeth

rheostat

Controls the handpiece, using the left foot

blue dot

What should the water switch be facing when turned ON in a rheostat

awkward postures, static postures, forceful movements, repetitive movements

The 4 things that can lead to musculoskeletal injury as a hygienist

neutral hand postion

Little finger side of palm is slightly lower than thumbside of palm

Wrist aligned with forearm

room for movement

Should gloves be tight on skin or have room for movement?

neutral neck position

Head tilt of 0 to 20 degrees

The line from eyes to the treatment area should be as near to vertical as possible

Avoid tilting to one side

neutral back position

Lean forward slightly from the hips (hinge at hips)

Trunk flexion of 0 to 20 degrees

Avoid over flexion of spine

neutral torso position

Torso in line with long axis of the body

Avoid leaning to one side or twisting torso

neutral shoulder postion

Shoulders in horizontal line

Weight evenly balanced when seated

Avoid hunching or lifting up towards ears

neutral upper arm position

hang parallel to the long axis of torso

Elbows at waist level held slightly away from body

Avoid elbow abduction greater than 20 degrees

neutral forearm postion

Held parallel to the floor

Raised or lowered, if necessary by pivoting at the elbow joint

Avoid angle between forearm and upper arm to be less than 60 degrees

all the way back

Where should your buttock be postioned when sitting

flat on the floor

Where should your feet be postioned when sitting down

sightly higher

How should your hips be positioned in relation to the knees

8

Where is the ideal operator position on the clock

laying down flat

What is the patient position when working on the maxillary arch

leaned forward 15 degrees

What is the patient postion when working on the mandibular arch

upright

Patient position for interviewing and educating

semiupright

Patient position for treating persons with some cardiovascular and respiratory diseases

supine

Patient position for treating most clients

trendelenburg

Patient position for persons experiencing syncope (fainting)

perpendicular to floor

LIGHT POSITION FOR MANDIBULAR ARCH

60-90 degrees from floor

LIGHT POSITION FOR MAXILLARY ARCH

elbow at height of nose

CHECKING FOR CORRECT PATIENT HEIGHT

14-16 inches

Distance from eyes to patient’s oral cavity