Dental Assisting Study Guide 175

Front 1

What position is used the most for completing dental treatment?

Back 1

Supine

Front 2

What ergonomic characteristic provides stability and prevents tipping, especially during movement?

Back 2

Base of chairs

Front 3

What delivery system provides separate sections for the dentist and the assistant?

Back 3

Side delivery system

Front 4

Which component of the dental unit has a vibrating action that removes hard deposits from the teeth during prophylaxis and periodontal procedures

Back 4

Ultrasonic scaler

Front 5

The sharp part of the working end that is used to explore, detect, and remove materials is the

Back 5

Point

Front 6

What is part of the dental instruments is formed straight , curved, monoangle, biangle, or triple angle?

Back 6

Shank

Front 7

Angle formers, chisels, excavators, hatchets, and hoes are what types of instruments ?

Back 7

Cutting instruments

Front 8

On what basic structural part can the manufactures number be found?

Back 8

On the handle of the instruments

Front 9

What general type of instruments is used to manually remove decay?

Back 9

Cutting instruments (excavator)

Front 10

The working end of this instrument is a thin, sharp point of flexible steel that allows the operator to examine surfaces of the teeth to detect any irregularity ( examples include the pig tail and the shepherd's hook)

Back 10

Explorer

Front 11

If the dental assistant needed to dispense amalgam into the cavity preparation, which instrument would be used?

Back 11

Amalgam carrier

Front 12

Used to smooth rough margins of newly placed amalgam restorations, these blunt, rounded instruments can also shape metal matrix bands

Back 12

Burnisher

Front 13

Made of stainless steel or disposable plastic, this instrument may be substituted by cotton pliers to hold items such as articulation paper

Back 13

Articulating forceps

Front 14

In order for a high-speed hand piece to hold rotary instruments, the head must have a small, metal cylinder called

Back 14

Chook

Front 15

What unit consist of the base, control panel, foot switch, air pressure gradient, hand piece and hand piece nozzler, abrasive flow control, and external suction device?

Back 15

Air abrasion unit

Front 16

What instrument would be used to fracture and dislodge the calculus on teeth using high-power vibrations?

Back 16

Ultrasonic scaler

Front 17

What part of the bur is located between the head and the shank?

Back 17

Neck

Front 18

What does the S describe relative to cutting bur shank?

Back 18

Short lenghts

Front 19

These extremely small burs are used to explore the occlusal surface and to allow for effective diagnoses and treatment while preserving healthy tooth structure

Back 19

Fissurotomy

Front 20

Jo-dandy disc are also know as

Back 20

Carborundum disc

Front 21

What tools are design to carry instruments for use in treatment rooms, through the cleaning and sterilizing processes, and then into storage

Back 21

Cassetes

Front 22

To minimize pain and discomfort while working in the dental office setting, avoid

Back 22

Leaning forward or the side

Front 23

The patients body may also be in a sub supine position. This means the patients body is in a reclined position with the head ______ than the feet

Back 23

Lower

Front 24

The ___________ cart is usually set up for two or three dental hand piece plus and air-water syringe

Back 24

Operator's

Front 25

A _____ is a blunt end of a dental hand instrument that is serrated or smooth

Back 25

Nib

Front 26

The _______ is located between the handle and the working end of hand instruments

Back 26

Shank

Front 27

Due to the multiple angles of the dental hand instruments, they are used mostly in the ___________ areas of the oral cavity

Back 27

Posterior

Front 28

_________ _________ was developed to standardize the exact size and angulation of an instrument. It minimizes discrepancies in the production of instruments from one manufacturer to another and simplifies the ordering of there instruments

Back 28

Blacks formula

Front 29

__________ _______ are used to measure the depth of the gingival sulcus. The working end is a blade that is rounded or blunted and is marked in millimeters (mm)

Back 29

Periodontal probes

Front 30

___________ are used to remove excess restorative material and to carve tooth anatomy in the restoration before the material hardens.

Back 30

Carvers

Front 31

________ are found on restorative trays and are used to mix cements, bases and liners

Back 31

Spatulas

Front 32

The straight or ______- ______ handpiece is used in both the dental operatory and the laboratory to polish teeth and restorations, remove soft carious material, an define cavity margins and walls

Back 32

Low-speed

Front 33

The shank, the neck, and the head are the three basic parts of ______.

Back 33

Burs

Front 34

__________ are restorative materials that are a cross between composites and glass ionomers. They are bonded to the walls of the cavity with enamel adhesives used mainly in pedodontics

Back 34

Compomers

Front 35

Used to expose intraoral radiographs. The controls are found outside the treatment room so that the dental assistant is not exposed to the radiation

Back 35

X-ray unit

Front 36

A wand that is placed in the patients mouth and transmits the image to the computer Monitor. Allows the patient to see areas and conditions in their mouths while the dentist discusses the areas / conditions with the patient.

Back 36

Intraoral camera

Front 37

Waters controls should be operated by wrist, foot, or knee controls which prevents the hands from becoming contaminated. There can also be light and motion sensor devices that turn the water on and off automatically when standing in front

Back 37

Sink

Front 38

A small machine that mixes some direct restorative materials. It is placed near the dental assistant, either on the counter or in a drawer

Back 38

Amalgamator

Front 39

It has a bright light source covered with a frosted surface and is used to read and diagnose radiographs. It may sit in a counter or be placed in a wall or cabinet

Back 39

View box

Front 40

Include cupboards that open from the front and the back for the treatment trays, drawers for materials frequently used, and sinks for the operator and the assistant

Back 40

Fixed cabinets

Front 41

Provides suction for saliva ejector and oral evacuators at each dental unit. The filters and traps must be cleaned regularly to keep this system working to capacity

Back 41

Central vacuum

Front 42

A customized system made of a series of colored buttons that light up when pushed and is used by the dental office as a method of calling a member of the dental team

Back 42

Communication system

Front 43

Produces a relatively high intensity light that does not generate noticeable heat. The lights are not compatible with some dental materials due to the type of photo-initiator used in the materials.

Back 43

Argon laser

Front 44

Provides air for the hand pieces and air-water syringe. It is usually stored away from the main office because of its size and noise level ___________

Back 44

Compressor

Front 45

Forms the cavity walls of the preparation

Back 45

Plain fissure straight and plain fissure cross-cut

Front 46

Forms the shoulder for crown preparations

Back 46

End cutting

Front 47

forms divergent walls of the cavity preparation

Back 47

tapered fissure straight & or tapered fissure cross-cut

Front 48

removes caries and makes undercuts in the preparation

Back 48

inverted cone

Front 49

Opens and extends the cavity preparations

Back 49

Pear

Front 50

forms retention in preparations

Back 50

Wheel

Front 51

Used first to open the cavity and remove carious tooth

Back 51

Round

Front 52

They are used for cutting, polishing, and finishing amalgam, gold, composite, and porcelain restorations. Used in the lab to adjust and polish appliances and custom trays. Some are considered heartless thereby allowing the operator to polish a restoration without creating frictional heat.

Back 52

Carborundum disc, stones

Front 53

Not considered an abrasive, but a rod used in low-speed handpieces. Used with different abrasives that are either permanently mounted or come separate. Available in a latch, friction grip,or straight shank.

Back 53

Mandrels

Front 54

Flexible discs that are used to finish and polish all types of restorations and appliances. They come with metal of pinhole centers.

Back 54

Sand papers disk

Front 55

Made of rubber material impregnated with abrasive agents l. They come in variety of sizes and grits. Used to polish and are especially adaptable when defining anatomy in the restoration

Back 55

Rubber points

Front 56

Chips are bonded to both sides of the steel discs. They are used for rapid cutting.

Back 56

Diamond discs