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Dental Assistant > Week 3 > Flashcards

Week 3 Flashcards

1
Q

Acrylate

A

A salt or ester of acrylic acid

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2
Q

Dental sealant

A

Coating that covers the occlusal pits and fissures of teeth

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3
Q

Filled resin

A

Sealant material that contains filler particles

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4
Q

Light cured

A

Type of material that is polymerized by a curing light

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5
Q

Microleakage

A

Microscopic leakage at the interface of the tooth structure and the sealant or restoration

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6
Q

Polymerization

A

Process of changing a simple chemical into another substance that contains the same elements

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7
Q

Sealant retention

A

Sealant firmly adhering to the tooth surface

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8
Q

Self cured

A

Type of material that is polymerized by chemical reactions

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9
Q

Unfilled resin

A

Sealant material that does not contain filler particles

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10
Q

AutoMatrix

A

Matrix system designed to establish a temporary wall for tooth restoration without using a retainer

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11
Q

Celluloid

A

Clear plastic strip used to provide a temporary wall for the restoration of an anterior tooth

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12
Q

Cupping

A

Condition created by a concave tooth surface that has not been contoured properly

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13
Q

Matrix

A

Foundation that binds a substance together. Continuous phases (organic polymer) in which particles of filler are dispersed in composite resin

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14
Q

Mylar

A

Brand name for clear plastic strip used to provide a temporary wall for restoration of an anterior tooth

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15
Q

Overhang

A

Excess restorative material that extends beyond the cavity margin

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16
Q

Palodent

A

Small, oval shaped matrix made of stainless steel interproximally during tooth restoration

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17
Q

Universal retainer

A

Dental device used to hold a matrix band in place during restoration of a class 2 cavity

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18
Q

Wedge

A

Wooden or plastic triangular device placed in the embrasure to provide the contour needed when a class 2 lesion is restored

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19
Q

Desiccate

A

Remove all moisture from an item or to dry out

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20
Q

Etchant

A

Chemical agent used to prepare a tooth surface for a Dental material

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21
Q

Etching

A

Process of cutting into a surface with the use of an acid product

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22
Q

Eugenol

A

Colorless liquid made from dove oil and used for its soothing qualities

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23
Q

Hybrid

A

Material that produces a similar outcome to its natural counterpart

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24
Q

Insulating

A

Preventing the passage of heat or electricity

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25
Q

Micromechanical

A

Means by which a material and a structure lock onto one another through minute cuttings

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26
Q

Obliterating

A

Removing something completely

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27
Q

Polymerize

A

To subject a material to the binding process of two or more monomers

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28
Q

Sedative

A

Having a soothing effect

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29
Q

Smear layer

A

Very thin layer of debris on newly prepared dentin

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30
Q

Thermal

A

Relating to heat

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31
Q

Agar

A

Gelatin type material derived from seaweed

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32
Q

Alginate

A

Irreversible hydrocolloid material used for taking preliminary impressions

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33
Q

Base

A

Foundation or the basic ingredient of a material

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34
Q

Border molding

A

Closer adaption of impression edges to the mucobuccal fold

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35
Q

Catalyst

A

Substance that modifies or increases the rate of a chemical reaction

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36
Q

Centric

A

Having an object centered such as maxillary teeth centered over mandibular teeth in correct correlation

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37
Q

Colloid

A

Suspension of particles in a dispersion medium such as water. It’s two phases are sol and gel

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38
Q

Elastomeric

A

Material having elastic properties from rubber

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39
Q

Extrude

A

To push or force out

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40
Q

Hydro

A

Prefix meaning water

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41
Q

Imbibition

A

Absorption of water causing an object to swell

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42
Q

Occlusal registration

A

Reproduction of a patients bite with the use of wax or elastomeric material

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43
Q

Syneresis

A

Loss of water causing something to shrink

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44
Q

Tempering

A

Bringing a material to a desired consistency

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45
Q

Viscous, viscosity

A

Physical property of fluids related to resistance to flow

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46
Q

Viscous, viscosity

A

Physical property of fluids related to resistance to flow

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47
Q

Amalgam

A

An alloy with one of the constituents being mercury

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48
Q

Auto cured

A

Hardened or set by a chemical reaction of two materials

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49
Q

Ceramic

A

Hard, brittle heat and corrosive resistant material such as clay

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50
Q

Coupling agent

A

Agent that strengthens resin by binding filler to the resin matrix

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51
Q

Cured

A

Preserved or finished by a chemical or physical process

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52
Q

Dual cured

A

Prepared preserved or finished by a chemical or physical process

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53
Q

Esthetic

A

Artistically pleasing and beautiful appearance

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54
Q

Filler

A

Inorganic materials that adds strength and other characteristics to composite resins

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55
Q

Force

A

Causes a physical change through energy and strength

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56
Q

Galvanic

A

Electrical current that takes place when two different or dissimilar metals come together

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57
Q

Gold

A

A soft yellow corrosive resistant metal that is used in the making of I direct restorations

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58
Q

Irregular

A

Not straight, uniform or symmetrical

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59
Q

Malleability

A

The ability of a material to withstand permanent deformation under compressive stress without sustaining permanent damage

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60
Q

Palladium

A

Soft steel white tarnish resistant metal that occurs naturally with platinum

61
Q

Pestle

A

An object that is moved vertically to pound or pulverize a material

62
Q

Platinum

A

Silver white noble metal that does not corrode in air

63
Q

Porcelain

A

Hard white translucent ceramic material fabricated by firing and then glazing it to match the tooth color

64
Q

Restorative

A

To restore or bring back to its natural appearance

65
Q

Retention

A

The act of holding something by means of an adhesive or mechanical locking or both

66
Q

Spherical

A

Round

67
Q

Strain

A

Distortion or change produced as a result of stress

68
Q

Stress

A

Internal reaction or resistance to an externally applied force

69
Q

Trituration

A

To mix together, as in the process of mixing an alloy with mercury to form an amalgam

70
Q

Wetting

A

Covering or soaking something with a liquid

71
Q

Viscosity

A

Physical property of fluids responsible for resistance to flow

72
Q

X ray machine voltage

A

70,000 to 90,000 Kv

73
Q

Intraoral X-ray

A

Periapical PA
Bitewing BWX
Occlusal Occl

74
Q

Extraoral X-ray

A

Panoramic PAN
Cephalometric Ceph
Come Beam Computed Tomography CBCT

75
Q

Periapical meaning

A

Peri- around
Apical - apex

76
Q

Blue ring X-ray (Rinn)

A

Anterior teeth

77
Q

Yellow ring X-ray (Rinn)

A

Posterior
PA of molars and premolars

78
Q

Red ring X-ray (Rinn)

A

Bitewing

79
Q

Radiolucent

A

Dark area of the X-ray.

80
Q

Radiopaque

A

Light areas of an xray

81
Q

Electromagnetic spectrum

A

Radio tv radar microwave uv X-ray

82
Q

FMX

A

Full mouth set of X-rays

83
Q

What two excavators are most commonly used in restorative dentistry

A

Spoon excavator
Black spoon

84
Q

What instrument would you transfer to the dentist to carve anatomy back into the interproximal portion of an amalgam restoration

A

Hellonback carver

85
Q

What instrument is used to pack a amalgam

A

Condenser

86
Q

What type of instrument is a discoid/cleoid

A

Carver

87
Q

What type of scissors are placed on the restorative tray setup

A

Crown and bridge scissors

88
Q

What is another term for Howe pliers

A

110 pliers

89
Q

Where is the freshly mixed amalgam placed before it is transported in the amalgam carrier

A

Amalgam well

90
Q

What type of reaction does a dental material undergo when distortion occurs

A

Stress

91
Q

What happens to a dental material when it is exposed to hot and cold

A

Contraction and expansion

92
Q

What is a source of galvanic action

A

Electric current

93
Q

What are the four properties that must be considered in the application of a dental material

A

Flow
Adhesion
Curing
Retention

94
Q

How does an auto cured material harden or set

A

Chemical reactions of the material being mixed together

95
Q

What metals make up the alloy powder in amalgam

A

Silver
Copper
Zinc
Tin

96
Q

Is dental amalgam placed in anterior teeth

A

No

97
Q

What does copper provide to amalgam restorations

A

Strength and corrosion resistance

98
Q

Where do you dispose of amalgam scraps

A

Tight seal bags

99
Q

How is the amalgam triturated

A

Amalgamation

100
Q

What filler type of composite resin is the strongest and is used most often for posterior restoration

A

Microfilled resin

101
Q

When composite resins are light cured what factors might contribute to the need for a longer curing time for the material

A

Incremental filling

102
Q

What item is used to determine the color of composite for a procedure

A

Shade guide

103
Q

What is the final step in finishing a composite resin

A

Polishing

104
Q

What are some of the most common use of glass ionomer materials

A

Primary teeth
Intermediate restorations

105
Q

What will contaminate the setting of glass ionomers

A

Water and contact

106
Q

What does the abbreviation IRM stand for

A

Intermediate restorative material

107
Q

What temporary restorative material would be selected for a class 2 cavity preparation

A

Provisional restorative material

108
Q

What is the function of a dental liner

A

Provides pulpal protection or dental regeneration

109
Q

On what tooth structure is a liner placed

A

Denton

110
Q

What are the 3 unique qualities of calcium hydroxide

A

Protecting the pulp
Stimulating the production of reparative/secondary dentin
Compatible with all types of restorative materials

111
Q

What is the main ingredient in varnish

A

Resin

112
Q

Can varnish be placed under all restorative materials. If not with which materials is it contraindicated

A

Composite resins and glass ionomer restorations

113
Q

What is the other name used for a desensitizer

A

Primer

114
Q

What does desensitizer do

A

Prevents hypersensitivity

115
Q

What does an insulating base do for a tooth

A

Protect the tooth (pulp) from thermal shock

116
Q

What effect does Eugenol have on the pulp

A

Soothing effects

117
Q

Where is a base applied in the preparation

A

Under permanent restorations

118
Q

What dental instrument is used to adapt a base into the cavity preparation

A

Spatula/condenser

119
Q

What is the purpose of a dental bonding material

A

Bond restorative materials to enamel and dentin

120
Q

What is an example of enamel bonding

A

Placement of sealant

121
Q

What must be removed from the tooth structure for bonding material to adhere to dentin

A

Smear layer

122
Q

Which material is applied first the bonding or etchant material

A

Etchant

123
Q

Is an impression a negative or a positive reproduction

A

Negative

124
Q

What type of impression try’s covers half the arch

A

Quadrant

125
Q

Which type of tray allows impression material to lock on mechanically

A

Perforated surface tray

126
Q

Which type of impression tray is used most often for taking final impressions

A

Triple tray

127
Q

What dental material is used to extend the length of a tray

A

Utility wax

128
Q

What is the organic substance of hydrocolloid material

A

Gelatin

129
Q

Why would you select a fast set alignate over a normal set alignate

A

Patients with a severe gag reflex

130
Q

What is the water to powder ratio for taking a maxillary impression

A

3:3

131
Q

What does the prefix hydro mean

A

Water

132
Q

What is another name irreversible hydrocolloid

A

Alginate

133
Q

What cavity classification use a posterior matrix system

A

Class 2 3 4

134
Q

What is the plural of a matrix

A

Matrices

135
Q

What is used to hold a posterior matrix band in position intraorally

A

Universal band

136
Q

When placing a matrix band where is the smaller circumference of the band placed

A

Paced toward the gingiva

137
Q

What instrument is commonly used to contour the matrix band

A

Burnisher

138
Q

What additional item is used in the matrix system to reestablish proper contact with an adjacent tooth

A

Wedge

139
Q

What can result from an improper wedge placement

A

Overhang or cupping

140
Q

Why can’t a stainless steel matrix band be used with composites

A

They have inorganic filler particles that can be scratched by stainless steel

141
Q

What is another term for a clear plastic matrix band

A

Celluloid strip
Mylar strip

142
Q

What is the purpose of dental sealants

A

Acts as a physical barrier that prevents decay

143
Q

Why are pits and fissures susceptible to caries

A

Accumulation of food

144
Q

What is the reason for putting fluoride in sealant materials

A

Make the pit of fissure more resistant to decay if sealant is lost

145
Q

What determines the effectiveness of dental sealants

A

How long and how well the sealant remains on the tooth

146
Q

X ray reading

A
147
Q

X Ray reading 2

A
148
Q

X Rays

A

Big white spot- crown
Small white spot- fill in

149
Q

X-ray safety

A

Do it right so you don’t have to do it again
Never hold the X-ray while exposure is being made
Use a lead apron
Step out of the room

Dental Assistant (7 decks)

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