Dental Restorative Materials For Dentists. Exam Questions and Answers with Complete Solutions Graded A+
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Course
Dentistry
Institution
Dentistry
ADA - Answers review's dental drugs, material, instruments and equipment for safety and effectiveness
ADA - Answers formulates standards and specifications
Data from studies, clinical trials, reproducible (uniformity), promotional materials, and ingredients - Answers what are the 5 requirements f...
Dental Restorative Materials For Dentists. Exam Questions and Answers with Complete Solutions
Graded A+
ADA - Answers review's dental drugs, material, instruments and equipment for safety and effectiveness
ADA - Answers formulates standards and specifications
Data from studies, clinical trials, reproducible (uniformity), promotional materials, and ingredients -
Answers what are the 5 requirements for the ADA Seal of Acceptance?
FDA - Answers has regulatory jurisdiction over the safety and efficacy of medical and dental devices
OSHA - Answers responsible for formulating and enforcing provisions that assure a safe working
environment
force - Answers pressure =
stress - Answers inner resistance =
strain - Answers amount of change, distortion or deformation
compressive - Answers force that compresses a structure
tensile - Answers something that stretches, pulls or elongates an object
shear - Answers cut, twist, rotate or parallel slide an object
low - Answers is it desirable for most dental materials to have high or low solubility?
tooth colored restorations - Answers what type of dental application has high solubility?
gold, porcelain - Answers what type of dental applications have low solubility?
gold, platinum and pallidium - Answers what are the noble metals?
steel, copper, nickel, silver, zinc, tin, and titanium - Answers what are the base metals?
corrosion - Answers this can be chemical or electrochemical, and is caused by moisture, acid, heat, etc.
tarnish - Answers discoloration caused by oxidation of a thin layer of metal at its surface
galvanism - Answers electric current between dissimilar metals
galvanism - Answers salts in the saliva create a current (what is this an example of?)
temperature - Answers changes in this can alter the size of a restoration
expand - Answers does heat cause a restoration to expand or contract?
, contract - Answers does cold cause a restoration to expand or contract?
dimensional - Answers what type of change does expansion and contraction result in?
percolation - Answers what is it called if liquid is involved in expansion and contraction?
conductors - Answers transmit temperature changes (metals)
insulators - Answers does not transmit temperature changes (enamel, dentin, composites, porcelain,
cement)
exothermic - Answers this word pertains to giving off heat
micromechanical or chemical adhesion - Answers what is retention acquired with?
retention - Answers how do sealants stick to teeth?
micromechanical retention - Answers interlocking with undercuts or projections, often with phosphoric
acid or etchant
chemical adhesion - Answers gluing is an example of this type of retention
wetting, viscosity, film thickness, surface characteristics - Answers what are the 4 factors that affect
bond strengths?
wetting - Answers degree to which a liquid can be spread
low - Answers is a low or high contact angle desired for wetting?
viscosity - Answers ability of a liquid material to flow
more viscous - Answers if a liquid material is thicker, is it more or less viscous?
thin - Answers is thin or thick film preferable?
low - Answers does liquid spread over high or low surface energy?
metals, ceramics, enamel - Answers what are some examples of materials with high surface energy?
plastics, elastics - Answers what are some examples of materials with low surface energy?
decay, staining, and sensitivity - Answers what can microleakage result in?
interface - Answers what is the space between the restoration and the tooth (or walls of preparation)?
biocompatability - Answers the ability to not irritate each other
nickel and barillium - Answers what are 2 metals commonly found to be irritating to skin?
hue - Answers dominant color of wavelength
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