Chapter 35 Question and answers verified to pass 2024/2025
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Course
DENTAL MATERIALS
Institution
DENTAL MATERIALS
Chapter 35 Question and answers verified to pass 2024/2025 Chapter 35: Laboratory Materials and Techniques
accelerates - correct answer speeds the process of
articulator - correct answer a frame representing the jaw that holds models of patient's teeth to maintain patient's occlusion; a m...
Chapter 35: Laboratory Materials and
Techniques
accelerates - correct answer ✔speeds the process of
articulator - correct answer ✔a frame representing the jaw that holds models
of patient's teeth to maintain patient's occlusion; a mechanical device that
represents the temporomandibular joints to which upper and lower casts of
the dental arches may be attached to simulate mouth functions
beading - correct answer ✔process used with utility wax to curb or extend
impressions before boxing and pouring
calcination - correct answer ✔the process of driving out a specific amount of
water from gypsum to create specific plasters, stones, or investment die
stones
catalyst - correct answer ✔an ingredient that starts or accelerates a process
distortion - correct answer ✔a change in shape
exothermic reaction - correct answer ✔a chemical reaction that releases
heat
gel - correct answer ✔a solid
gelatin time - correct answer ✔the time from which the alginate powder
material is mixed with water until it is completely set and considered alginate
, gypsum - correct answer ✔calcium sulfate dihydrate; used when pouring an
impression to make a model; water-powder ratio dictates strength, accuracy,
resistance, reproduction detail, and setting times
imbibition - correct answer ✔enlargement due to swelling or the absorption
of fluid
irreversible hydrocolloid - correct answer ✔commonly called alginate,
material used in the formation of dental impressions; setting of material is
accomplished by chemical reaction
matrix - correct answer ✔an essential artificial wall used to replace the
missing or removed surfaces of a tooth during the filling of a cavity; composed
of a band and a retainer
polymerization - correct answer ✔process by which material changes from a
plastic, pliable state to a rigid state
polysulfide - correct answer ✔material used in taking final impressions;
composed of a base and lead peroxide accelerator, resulting in good stability,
accuracy, sharpness of detail, and relatively long shelf life; smells bad, tastes
bad, can stain
potassium alginate - correct answer ✔and ingredient extracted from kelp and
seaweed that is used for alginate impression material
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