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Study sets matching "dental materials"

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Study sets matching "dental materials"

12 terms
Dental Materials
Calcium Hydroxide
Zinc Phosphate
ZOE (Zinc-Oxide-Eugenol)/ IRM (Interme…
Polycarboxylate Cement/Durelon Cement
Used as a dental liner under amalgam and/or composite restora…
Is used as permanent cement, base, and/or a temporary filling…
Is used as a temporary cement and a temporary filling materia…
Is a permanent cement. Can be mixed as a permanent cement, ba…
Calcium Hydroxide
Used as a dental liner under amalgam and/or composite restora…
Zinc Phosphate
Is used as permanent cement, base, and/or a temporary filling…
109 terms
Dental Materials
Adhesion:
Cohesion:
Coefficient of thermal expansion:
Compressive strength:
The chemical attraction between UNLIKE molecules
The chemical attraction between LIKE molecules
An index which indicates how one material reacts to temperatu…
The force at which a material breaks under pressure
Adhesion:
The chemical attraction between UNLIKE molecules
Cohesion:
The chemical attraction between LIKE molecules
252 terms
Dental Materials
ADA
ADA
Data from studies, clinical trials, re…
FDA
review's dental drugs, material, instruments and equipment fo…
formulates standards and specifications
what are the 5 requirements for the ADA Seal of Acceptance?
has regulatory jurisdiction over the safety and efficacy of m…
ADA
review's dental drugs, material, instruments and equipment fo…
ADA
formulates standards and specifications
126 terms
Dental Materials
____ is an internal resistance to an e…
compressive stress:_______::tensile st…
_______ stress is when forces on an ob…
True/False: Strain is the change in le…
Stress: Force per unit area as the material is subjected to l…
malleability
Shearing: This is harmful to the human dentition.
True: Strain is measured in terms of deformation or change in…
____ is an internal resistance to an e…
Stress: Force per unit area as the material is subjected to l…
compressive stress:_______::tensile st…
malleability
13 terms
Dental Materials
Cavity Varnish
Cavity liner
Calcium Hydroxide
Dental Cement
Thin liner, seals tubeals, prevents micro leakage, and desens…
Similar to cavity varnish but contains calcium hydroxide or z…
liner placed in the deepest part of the prep to regenerate an…
Are used for permanent cementation, sedative bases, and insul…
Cavity Varnish
Thin liner, seals tubeals, prevents micro leakage, and desens…
Cavity liner
Similar to cavity varnish but contains calcium hydroxide or z…
88 terms
Dental Materials
Why Study Dental Materials?
Why does it matter what material we us…
Dental Materials are Regulated to Ensu…
Dental drugs, materials, instruments,…
To assess and treat the patient... To understand how dental mate…
Biting forces... pH... Temperature... Biocompatibility... Esthetics
Safety
medical devices... mandatory FDA regulations, voluntary ADA sea…
Why Study Dental Materials?
To assess and treat the patient... To understand how dental mate…
Why does it matter what material we us…
Biting forces... pH... Temperature... Biocompatibility... Esthetics
83 terms
Dental Materials
Who was Dr. Frederick McKay? Page 3
What type of product does the ADA seal…
What administration oversees and regul…
Describe the 3 types of masticatory fo…
Noting dental fluorosis in Colorado Springs in 1901, and toge…
Consumer products.
FDA, U.S. Food and Drug Administration
-Compressive Force: force applied to compress or squeeze an o…
Who was Dr. Frederick McKay? Page 3
Noting dental fluorosis in Colorado Springs in 1901, and toge…
What type of product does the ADA seal…
Consumer products.
49 terms
Dental Materials
Force
Dental forces
Occlusal forces
200-3500N
Generated when one body interacts with another body
_____ include: Occlusal forces, forces on restorations
Highest in adult posterior teeth closest to the mandibular…
Maximum occlusal forces range:
Force
Generated when one body interacts with another body
Dental forces
_____ include: Occlusal forces, forces on restorations
128 terms
Dental Materials
Universal Standard Precautions
Critical role of infection control in…
Asepsis in the dental office
chairside dental materials
meant to reduce the risk of transmission of bloodborne and ot…
preventing the spread/transmission of disease
sterilization and disinfection... sanitation of rooms and equipm…
liners... cavity varnishes... dental cements... composite and amalgam…
Universal Standard Precautions
meant to reduce the risk of transmission of bloodborne and ot…
Critical role of infection control in…
preventing the spread/transmission of disease
25 terms
Dental Materials
What is gypsum
Chemical formula of unmined gypsum
Name and explain 2 different calcining…
What does Gypsum look like before it i…
is a mineral mined from the earth
Ca S O4 2 H2O
Atmospheric pressure- large pot on stove being heated.... Autoc…
Rock or a stone
What is gypsum
is a mineral mined from the earth
Chemical formula of unmined gypsum
Ca S O4 2 H2O
73 terms
Dental Materials
Ductility
Rheology
Metamerism
Abrasion resistance
the ability of a material to be stretched into a wire without…
the study of the flow of liquids
the characteristic of a material that describes its ability t…
a property of a material that describes its ability to resist…
Ductility
the ability of a material to be stretched into a wire without…
Rheology
the study of the flow of liquids
68 terms
Dental Materials
The major components of composite dent…
The polymerization shrinkage of a comp…
Fillers are composed of all of the fol…
Which one of the following types of co…
Bonding agent
Can be minimized by placing and curing a series of small incr…
Alumina
Microfill
The major components of composite dent…
Bonding agent
The polymerization shrinkage of a comp…
Can be minimized by placing and curing a series of small incr…
188 terms
Dental Materials
Glass Ionomer Cement
Hybrid Ionomer Cement (ESP)
Zinc Oxide Eugenol Cement (ZOE or IRM)
Temporary Cements
1:2 (powder/liquid)
3:3
2:2
Pea Size
Glass Ionomer Cement
1:2 (powder/liquid)
Hybrid Ionomer Cement (ESP)
3:3
30 terms
Dental Materials
Biting stress on Molar Cusp
Amalgam reaction
ADA allowable max amount of dimensiona…
Copper content of high copper amalgam
up to 207 Mpa
Ag3Sn +Hg ->Ag3Sn +Ag2Hg3 + Sn8Hg
within 0.2%
11-30% (traditional is 6%)
Biting stress on Molar Cusp
up to 207 Mpa
Amalgam reaction
Ag3Sn +Hg ->Ag3Sn +Ag2Hg3 + Sn8Hg
95 terms
Dental Materials
Some of the "forces" in the mouth incl…
One N is equal to ~_____ lbs?
One pound is equal to how many newtons?
Pit lesions are ONLY in the ______ sur…
Shear... Compressive... Tensile
1N = 1/4lb
4.5N = 1#
Enamel
Some of the "forces" in the mouth incl…
Shear... Compressive... Tensile
One N is equal to ~_____ lbs?
1N = 1/4lb
45 terms
Dental Materials - Dental Alloys
Noble
Base
Metallic cast alloys
phase
Good resistance to corrosion and tarnish in oral cavity... (Au,…
Important ones:... Ag, Cu, Ni, Cr, Co, Fe, Ti
- alloys solidify over a range of temperatures in which solid…
homogenous, physically distinct, and mechanically separable p…
Noble
Good resistance to corrosion and tarnish in oral cavity... (Au,…
Base
Important ones:... Ag, Cu, Ni, Cr, Co, Fe, Ti
63 terms
DENTAL MATERIALS
1. In the United States, standards for…
2. All of the following are reasons fo…
3. An amalgam restoration located on t…
4.The biologic nature of the oral envi…
b) ADA (American Dental Association)
c) Deciding which material is best for the patient's restorat…
e) V
c) Both statements are true.
1. In the United States, standards for…
b) ADA (American Dental Association)
2. All of the following are reasons fo…
c) Deciding which material is best for the patient's restorat…
Dental materials
Percolation
Strain
Ductility
Corrosion
Fluids and debris flowing in & out between tooth and restorat…
The change in a material as a result of a force
The ability of a metal to be pulled into a wire
Chemical changes which lead to pitting and roughness
Percolation
Fluids and debris flowing in & out between tooth and restorat…
Strain
The change in a material as a result of a force
23 terms
Dental Materials
What is the chemical name for gypsum?
How is gypsum treated to produce denta…
How is gypsum treated to produce denta…
How is gypsum treated to produce impro…
Calcium sulphate dihydrate
Heating in an open vessel
Heated in an autoclave
Heated in presence of calcium chloride and magnesium chloride
What is the chemical name for gypsum?
Calcium sulphate dihydrate
How is gypsum treated to produce denta…
Heating in an open vessel
15 terms
Dental Materials
Adhesion
Stress
Tensile
Compressive
force or attraction that hold unlike substances together. Inv…
reaction of the object to resist the external force of stress.
pulls and stretches a material to become elongated. ( An orth…
pushes or compresses the material together.( Chewing and biti…
Adhesion
force or attraction that hold unlike substances together. Inv…
Stress
reaction of the object to resist the external force of stress.
8 terms
Dental Materials
Amalgam with base material
Endodontic Material
Fixed Bridge
Gold Post with Porcelain Jacket
Base appears radiopaque under the amalgam resotration, but mu…
Radiopaque lines which fills the root canal.
Amalgam with base material
Base appears radiopaque under the amalgam resotration, but mu…
Endodontic Material
Radiopaque lines which fills the root canal.
14 terms
Dental Materials
Adhesion
Stress
Tensile
Compressive
Force or attraction that holds unlike substances together. In…
Reaction of the object to resist the external forces of stress.
Pulls and stretches a material to become elongated. (an ortho…
Pushes or compresses the material together. (chewing and biti…
Adhesion
Force or attraction that holds unlike substances together. In…
Stress
Reaction of the object to resist the external forces of stress.
Dental Materials
Amalgam
Silver
Copper
Desirable features of Amalgam
an alloy of mercury... in dentistry: an alloy of mercury with si…
a base metal, is susceptible to corrosion
is added to amalgam to minimize corrosion
Durable... Compressive strength is similar to enamel... Relatively…
Amalgam
an alloy of mercury... in dentistry: an alloy of mercury with si…
Silver
a base metal, is susceptible to corrosion
126 terms
Dental Materials
____ is an internal resistance to an e…
compressive stress:_______::tensile st…
_______ stress is when forces on an ob…
True/False: Strain is the change in le…
Stress: Force per unit area as the material is subjected to l…
malleability
Shearing: This is harmful to the human dentition.
True: Strain is measured in terms of deformation or change in…
____ is an internal resistance to an e…
Stress: Force per unit area as the material is subjected to l…
compressive stress:_______::tensile st…
malleability
37 terms
dental materials impression materials
impression material is used to?
inelastic/rigid materials
elastic materials
hydrocolloids
reproduce a form of the teeth as a negative reproduction
once material sets it cannot change shape to be removed from…
material will stretch around undercuts in order to be removed…
a suspension of molecules in which WATER is the suspension me…
impression material is used to?
reproduce a form of the teeth as a negative reproduction
inelastic/rigid materials
once material sets it cannot change shape to be removed from…
96 terms
Quiz 3 Dental Materials
Tooth colored materials that can be pl…
Tooth colored materials composed of an…
Thick liquids made up of two or more t…
Fine particles of quartz, silica, or g…
Direct placement esthetic materials
composite resin
organic resin matrix
Inorganic filler particles
Tooth colored materials that can be pl…
Direct placement esthetic materials
Tooth colored materials composed of an…
composite resin
30 terms
Dental Materials
Tetracycline staining
sodium perborate
vital tooth whitening
power whitening
intrinsic staining of the enamel and dentin caused by the ing…
What oxidizing agent used in conjunction with hydrogen peroxi…
term for whitening done at home by the patient
the in office whitening procedure where the whitening agent c…
Tetracycline staining
intrinsic staining of the enamel and dentin caused by the ing…
sodium perborate
What oxidizing agent used in conjunction with hydrogen peroxi…
83 terms
Dental Materials
Protect the pulp from any type of irri…
Desensitizer
Protects the pulp from thermal shock
Pupal floor
The purpose of a dental liner is to
Another name for dentin sealer is
An insulataing base
A base is a place in or on the __ in a cavity preparation
Protect the pulp from any type of irri…
The purpose of a dental liner is to
Desensitizer
Another name for dentin sealer is
90 terms
Impression Materials - Dental Materials
An accurate detailed negative reproduc…
A positive reproduction of the structu…
Characteristics of Impressions
Two categories of trays
Impressions
Model
Well defined developmental grooves and gingival margins.... Shou…
Stock trays... Custom trays
An accurate detailed negative reproduc…
Impressions
A positive reproduction of the structu…
Model
73 terms
Dental Cements - Dental Materials
Are a classification of dental materia…
Classifications of Dental Cements
What classification of dental cements…
What classification of dental cements…
Dental Cements
Type I Luting agents (temporary/permanent cement)... Type II Res…
Type I
Type II
Are a classification of dental materia…
Dental Cements
Classifications of Dental Cements
Type I Luting agents (temporary/permanent cement)... Type II Res…
130 terms
dental materials
standards
regulations
I
II
____ are devised by and part of non-governmental organization…
____ are devised and implemented by rule of law by government…
Class ___... • Least regulated... • Devices specifically listed by…
Class ___... • Most dental materials fall here... • Must go to FDA…
standards
____ are devised by and part of non-governmental organization…
regulations
____ are devised and implemented by rule of law by government…
13 terms
Dental Materials
Cavity Varnish
Cavity liner
Calcium Hydroxide
Dental Cement
Thin liner, seals tubeals, prevents micro leakage, and desens…
Similar to cavity varnish but contains calcium hydroxide or z…
liner placed in the deepest part of the prep to regenerate an…
Are used for permanent cementation, sedative bases, and insul…
Cavity Varnish
Thin liner, seals tubeals, prevents micro leakage, and desens…
Cavity liner
Similar to cavity varnish but contains calcium hydroxide or z…
35 terms
Dental Materials
Dental Materials Definition and what i…
Dental Instruments
Dental Biomaterials:
Why study dental materials?
items and products used in the prevention and treatment of or…
man-made from common industrial materials.
These are man-made materials that are used to replace tissues…
1. To understand behavior of material... 2. To handle materials…
Dental Materials Definition and what i…
items and products used in the prevention and treatment of or…
Dental Instruments
man-made from common industrial materials.
82 terms
Dental Materials
Atomic Bonding: Primary bonds
Atomic Bonding: Secondary bonds
What kind of bonds to metals have?
What kind of bonds do ceramics have?
Ionic- transfer of electrons... Covalent- sharing of an electron…
Permanent Dipoles (Vanderwhal Forces): Stronger charge on one…
Metallic
Ionic
Atomic Bonding: Primary bonds
Ionic- transfer of electrons... Covalent- sharing of an electron…
Atomic Bonding: Secondary bonds
Permanent Dipoles (Vanderwhal Forces): Stronger charge on one…
12 terms
Dental Materials Ch. 1
In the united states, standards for de…
All of the following are reasons for a…
An amalgam resotation located on the g…
The biologic nature of the oral enviro…
b. ADA... The FDa is the regulatory agency... the ADA develops st…
c. Deciding which material is best for the patients restorati…
e. V... gingival third caries, anterior and posterior and both…
c. both statements are true... the degradation of teeth and den…
In the united states, standards for de…
b. ADA... The FDa is the regulatory agency... the ADA develops st…
All of the following are reasons for a…
c. Deciding which material is best for the patients restorati…
60 terms
Dental Materials
soft and pliable at room temperature
hard and brittle at room temperature,…
sol state
gel state
utility wax and boxing wax
sticky wax
is a solution of one material dissolved in another.
2 phases. 1st phase- solid carbohydrate polymer network (like…
soft and pliable at room temperature
utility wax and boxing wax
hard and brittle at room temperature,…
sticky wax
42 terms
Dental Materials Exam 2
Tarnish
Corrosion
Creep
Methods for Bonding Amalgam
-oxidation that attacks the surface of the amalgam... -caused by…
-a chemical reaction between amalgam and substances in saliva…
-the gradual change of shape of a restoration from chewing or…
-etching the cavity preparation with phosphoric acid... -bonding…
Tarnish
-oxidation that attacks the surface of the amalgam... -caused by…
Corrosion
-a chemical reaction between amalgam and substances in saliva…
192 terms
dental materials
gypsum
calcination
hemihydrates
3 uses for gypsum products in dentistry
rock, calcium sulfate dihydrate
process of heating the gypsum
resultant particles
study models, casts and dies
gypsum
rock, calcium sulfate dihydrate
calcination
process of heating the gypsum
82 terms
Dental materials
1) Color shades can vary depending on…
2) Expansion and contraction of any ma…
Hue
Chroma
d. metamerism
C. Coefficient of thermal expansion
dominant color of wavelength; seen in yellow-brown range
intensity or strength of color
1) Color shades can vary depending on…
d. metamerism
2) Expansion and contraction of any ma…
C. Coefficient of thermal expansion
22 terms
dental materials
alginate
impression procedure
how alginate works procedural level
how alginate works chemical level
Irreversible hydrocolloid, Elastomeric impression material; u…
Alginate powder is mixed with water in flexible bowl to soft…
Procedural level, hardens around the teeth and other oral str…
Active ingredient dissolves in water, Reaction forms fibrils,…
alginate
Irreversible hydrocolloid, Elastomeric impression material; u…
impression procedure
Alginate powder is mixed with water in flexible bowl to soft…
17 terms
Dental Materials
Acid etch
acrylic temporary crown
amalgam
base
...
...
...
...
Acid etch
...
acrylic temporary crown
...
94 terms
Dental Materials
the chemical attraction between unlike…
the chemical attraction between like m…
an index which indicates how one mater…
the force at which a material breaks u…
adhesion
cohesion
coefficient of thermal expansion
compressive strength
the chemical attraction between unlike…
adhesion
the chemical attraction between like m…
cohesion
90 terms
dental materials
adhesion importance
adhesion
cohesion
difficulties in adhesion
protects the restoration interface against the penetration of…
establishment of molecular interactions between substrate (ad…
interactions within the same material = primary or secondary…
Presence of contaminants and waste= saliva, biofilm and inorg…
adhesion importance
protects the restoration interface against the penetration of…
adhesion
establishment of molecular interactions between substrate (ad…
60 terms
Dental materials
Restorative
Council on Dental Materials, Instrumen…
Criteria for a New Dental Material:... 1.…
PROPERTIES OF DENTAL MATERIALS... 1. Mech…
A term that is used to describe the ability to remove disease…
Formed as a subcommittee by the American Dental Association (…
Criteria for a New Dental Material:
PROPERTIES OF DENTAL MATERIALS:
Restorative
A term that is used to describe the ability to remove disease…
Council on Dental Materials, Instrumen…
Formed as a subcommittee by the American Dental Association (…
41 terms
Dental Materials
Average biting force
Micro-leakage
Cure
3 Types of Curing
170 lbs
Small division between tooth and a filling
to harden
Self Cure, Light Cure, Dual Cure
Average biting force
170 lbs
Micro-leakage
Small division between tooth and a filling
87 terms
Dental Materials
A large molecule formed by the union o…
A small repeating unit is called
True or False: polymers are usually ca…
The monomer for acrylic is
Polymer
Mer
True
Methylmethacrylate (MMA)
A large molecule formed by the union o…
Polymer
A small repeating unit is called
Mer
99 terms
Dental Materials
Used to prevent disease or trauma or f…
Used to repair or replace tooth struct…
Direct restorations
Involve customized tooth replacements…
Preventive/therapeutic materials
Restorative materials
Placed immediately and directly into a prepared tooth in a ma…
Indirect restorations
Used to prevent disease or trauma or f…
Preventive/therapeutic materials
Used to repair or replace tooth struct…
Restorative materials
25 terms
Dental Materials
What is gypsum
Chemical formula of unmined gypsum
Name and explain 2 different calcining…
What does Gypsum look like before it i…
is a mineral mined from the earth
CaSO4H2O
Atmospheric pressure- large pot on stove being heated.... Autoc…
Rock or a stone
What is gypsum
is a mineral mined from the earth
Chemical formula of unmined gypsum
CaSO4H2O
106 terms
Dental Materials
mixture of 2 more metals
reaction that occurs when silver based…
restorative material comp of silver ba…
a chemical reaction b/w tin in the sil…
Alloy
Amalgamation
Amalgam
Gamma- 2 phase
mixture of 2 more metals
Alloy
reaction that occurs when silver based…
Amalgamation
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