Week 3 Flashcards
(149 cards)
1
Q
Acrylate
A
A salt or ester of acrylic acid
2
Q
Dental sealant
A
Coating that covers the occlusal pits and fissures of teeth
3
Q
Filled resin
A
Sealant material that contains filler particles
4
Q
Light cured
A
Type of material that is polymerized by a curing light
5
Q
Microleakage
A
Microscopic leakage at the interface of the tooth structure and the sealant or restoration
6
Q
Polymerization
A
Process of changing a simple chemical into another substance that contains the same elements
7
Q
Sealant retention
A
Sealant firmly adhering to the tooth surface
8
Q
Self cured
A
Type of material that is polymerized by chemical reactions
9
Q
Unfilled resin
A
Sealant material that does not contain filler particles
10
Q
AutoMatrix
A
Matrix system designed to establish a temporary wall for tooth restoration without using a retainer
11
Q
Celluloid
A
Clear plastic strip used to provide a temporary wall for the restoration of an anterior tooth
12
Q
Cupping
A
Condition created by a concave tooth surface that has not been contoured properly
13
Q
Matrix
A
Foundation that binds a substance together. Continuous phases (organic polymer) in which particles of filler are dispersed in composite resin
14
Q
Mylar
A
Brand name for clear plastic strip used to provide a temporary wall for restoration of an anterior tooth
15
Q
Overhang
A
Excess restorative material that extends beyond the cavity margin
16
Q
Palodent
A
Small, oval shaped matrix made of stainless steel interproximally during tooth restoration
17
Q
Universal retainer
A
Dental device used to hold a matrix band in place during restoration of a class 2 cavity
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
19
Q
Desiccate
A
Remove all moisture from an item or to dry out
20
Q
Etchant
A
Chemical agent used to prepare a tooth surface for a Dental material
21
Q
Etching
A
Process of cutting into a surface with the use of an acid product
22
Q
Eugenol
A
Colorless liquid made from dove oil and used for its soothing qualities
23
Q
Hybrid
A
Material that produces a similar outcome to its natural counterpart
24
Q
Insulating
A
Preventing the passage of heat or electricity
25
Micromechanical
Means by which a material and a structure lock onto one another through minute cuttings
26
Obliterating
Removing something completely
27
Polymerize
To subject a material to the binding process of two or more monomers
28
Sedative
Having a soothing effect
29
Smear layer
Very thin layer of debris on newly prepared dentin
30
Thermal
Relating to heat
31
Agar
Gelatin type material derived from seaweed
32
Alginate
Irreversible hydrocolloid material used for taking preliminary impressions
33
Base
Foundation or the basic ingredient of a material
34
Border molding
Closer adaption of impression edges to the mucobuccal fold
35
Catalyst
Substance that modifies or increases the rate of a chemical reaction
36
Centric
Having an object centered such as maxillary teeth centered over mandibular teeth in correct correlation
37
Colloid
Suspension of particles in a dispersion medium such as water. It’s two phases are sol and gel
38
Elastomeric
Material having elastic properties from rubber
39
Extrude
To push or force out
40
Hydro
Prefix meaning water
41
Imbibition
Absorption of water causing an object to swell
42
Occlusal registration
Reproduction of a patients bite with the use of wax or elastomeric material
43
Syneresis
Loss of water causing something to shrink
44
Tempering
Bringing a material to a desired consistency
45
Viscous, viscosity
Physical property of fluids related to resistance to flow
46
Viscous, viscosity
Physical property of fluids related to resistance to flow
47
Amalgam
An alloy with one of the constituents being mercury
48
Auto cured
Hardened or set by a chemical reaction of two materials
49
Ceramic
Hard, brittle heat and corrosive resistant material such as clay
50
Coupling agent
Agent that strengthens resin by binding filler to the resin matrix
51
Cured
Preserved or finished by a chemical or physical process
52
Dual cured
Prepared preserved or finished by a chemical or physical process
53
Esthetic
Artistically pleasing and beautiful appearance
54
Filler
Inorganic materials that adds strength and other characteristics to composite resins
55
Force
Causes a physical change through energy and strength
56
Galvanic
Electrical current that takes place when two different or dissimilar metals come together
57
Gold
A soft yellow corrosive resistant metal that is used in the making of I direct restorations
58
Irregular
Not straight, uniform or symmetrical
59
Malleability
The ability of a material to withstand permanent deformation under compressive stress without sustaining permanent damage
60
Palladium
Soft steel white tarnish resistant metal that occurs naturally with platinum
61
Pestle
An object that is moved vertically to pound or pulverize a material
62
Platinum
Silver white noble metal that does not corrode in air
63
Porcelain
Hard white translucent ceramic material fabricated by firing and then glazing it to match the tooth color
64
Restorative
To restore or bring back to its natural appearance
65
Retention
The act of holding something by means of an adhesive or mechanical locking or both
66
Spherical
Round
67
Strain
Distortion or change produced as a result of stress
68
Stress
Internal reaction or resistance to an externally applied force
69
Trituration
To mix together, as in the process of mixing an alloy with mercury to form an amalgam
70
Wetting
Covering or soaking something with a liquid
71
Viscosity
Physical property of fluids responsible for resistance to flow
72
X ray machine voltage
70,000 to 90,000 Kv
73
Intraoral X-ray
Periapical PA
Bitewing BWX
Occlusal Occl
74
Extraoral X-ray
Panoramic PAN
Cephalometric Ceph
Come Beam Computed Tomography CBCT
75
Periapical meaning
Peri- around
Apical - apex
76
Blue ring X-ray (Rinn)
Anterior teeth
77
Yellow ring X-ray (Rinn)
Posterior
PA of molars and premolars
78
Red ring X-ray (Rinn)
Bitewing
79
Radiolucent
Dark area of the X-ray.
80
Radiopaque
Light areas of an xray
81
Electromagnetic spectrum
Radio tv radar microwave uv X-ray
82
FMX
Full mouth set of X-rays
83
What two excavators are most commonly used in restorative dentistry
Spoon excavator
Black spoon
84
What instrument would you transfer to the dentist to carve anatomy back into the interproximal portion of an amalgam restoration
Hellonback carver
85
What instrument is used to pack a amalgam
Condenser
86
What type of instrument is a discoid/cleoid
Carver
87
What type of scissors are placed on the restorative tray setup
Crown and bridge scissors
88
What is another term for Howe pliers
110 pliers
89
Where is the freshly mixed amalgam placed before it is transported in the amalgam carrier
Amalgam well
90
What type of reaction does a dental material undergo when distortion occurs
Stress
91
What happens to a dental material when it is exposed to hot and cold
Contraction and expansion
92
What is a source of galvanic action
Electric current
93
What are the four properties that must be considered in the application of a dental material
Flow
Adhesion
Curing
Retention
94
How does an auto cured material harden or set
Chemical reactions of the material being mixed together
95
What metals make up the alloy powder in amalgam
Silver
Copper
Zinc
Tin
96
Is dental amalgam placed in anterior teeth
No
97
What does copper provide to amalgam restorations
Strength and corrosion resistance
98
Where do you dispose of amalgam scraps
Tight seal bags
99
How is the amalgam triturated
Amalgamation
100
What filler type of composite resin is the strongest and is used most often for posterior restoration
Microfilled resin
101
When composite resins are light cured what factors might contribute to the need for a longer curing time for the material
Incremental filling
102
What item is used to determine the color of composite for a procedure
Shade guide
103
What is the final step in finishing a composite resin
Polishing
104
What are some of the most common use of glass ionomer materials
Primary teeth
Intermediate restorations
105
What will contaminate the setting of glass ionomers
Water and contact
106
What does the abbreviation IRM stand for
Intermediate restorative material
107
What temporary restorative material would be selected for a class 2 cavity preparation
Provisional restorative material
108
What is the function of a dental liner
Provides pulpal protection or dental regeneration
109
On what tooth structure is a liner placed
Denton
110
What are the 3 unique qualities of calcium hydroxide
Protecting the pulp
Stimulating the production of reparative/secondary dentin
Compatible with all types of restorative materials
111
What is the main ingredient in varnish
Resin
112
Can varnish be placed under all restorative materials. If not with which materials is it contraindicated
Composite resins and glass ionomer restorations
113
What is the other name used for a desensitizer
Primer
114
What does desensitizer do
Prevents hypersensitivity
115
What does an insulating base do for a tooth
Protect the tooth (pulp) from thermal shock
116
What effect does Eugenol have on the pulp
Soothing effects
117
Where is a base applied in the preparation
Under permanent restorations
118
What dental instrument is used to adapt a base into the cavity preparation
Spatula/condenser
119
What is the purpose of a dental bonding material
Bond restorative materials to enamel and dentin
120
What is an example of enamel bonding
Placement of sealant
121
What must be removed from the tooth structure for bonding material to adhere to dentin
Smear layer
122
Which material is applied first the bonding or etchant material
Etchant
123
Is an impression a negative or a positive reproduction
Negative
124
What type of impression try’s covers half the arch
Quadrant
125
Which type of tray allows impression material to lock on mechanically
Perforated surface tray
126
Which type of impression tray is used most often for taking final impressions
Triple tray
127
What dental material is used to extend the length of a tray
Utility wax
128
What is the organic substance of hydrocolloid material
Gelatin
129
Why would you select a fast set alignate over a normal set alignate
Patients with a severe gag reflex
130
What is the water to powder ratio for taking a maxillary impression
3:3
131
What does the prefix hydro mean
Water
132
What is another name irreversible hydrocolloid
Alginate
133
What cavity classification use a posterior matrix system
Class 2 3 4
134
What is the plural of a matrix
Matrices
135
What is used to hold a posterior matrix band in position intraorally
Universal band
136
When placing a matrix band where is the smaller circumference of the band placed
Paced toward the gingiva
137
What instrument is commonly used to contour the matrix band
Burnisher
138
What additional item is used in the matrix system to reestablish proper contact with an adjacent tooth
Wedge
139
What can result from an improper wedge placement
Overhang or cupping
140
Why can’t a stainless steel matrix band be used with composites
They have inorganic filler particles that can be scratched by stainless steel
141
What is another term for a clear plastic matrix band
Celluloid strip
Mylar strip
142
What is the purpose of dental sealants
Acts as a physical barrier that prevents decay
143
Why are pits and fissures susceptible to caries
Accumulation of food
144
What is the reason for putting fluoride in sealant materials
Make the pit of fissure more resistant to decay if sealant is lost
145
What determines the effectiveness of dental sealants
How long and how well the sealant remains on the tooth
146
X ray reading
147
X Ray reading 2
148
X Rays
Big white spot- crown
Small white spot- fill in
149
X-ray safety
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
