Dental Materials I Final Question and answers rated A+ 2024/2025
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Course
DENTURES,DX AND TX PLANNING
Institution
DENTURES,DX AND TX PLANNING
Dental Materials I Final Question and answers rated A+ 2024/2025 Dental Materials I Final
What piece of equipment is used to remove air from the mix of gypsum products? - correct answer vibrator
What piece of equipment is used to polish dentures? - correct answer lathe
Which type of ...
Dental Materials I Final
What piece of equipment is used to remove air from the mix of gypsum
products? - correct answer ✔vibrator
What piece of equipment is used to polish dentures? - correct answer ✔lathe
Which type of gypsum is commonly referred to as plaster of Paris? - correct
answer ✔model plaster
Which type of stone is used as a working model for making dentures? -
correct answer ✔dental stone
What is the recommended water/powder ratio for high-strength stone? -
correct answer ✔100 g powder / 19-24 mL water
During the pouring procedure, where should the gypsum material be placed to
flow to all areas of the impression? - correct answer ✔most posterior tooth
What is the term used to describe something that evaporates easily and is
very explosive? - correct answer ✔volatile
What type of wax is used to form a wall around a preliminary impression? -
correct answer ✔boxing wax
Which type of inlay wax is used for indirect wax patterns on dies? - correct
answer ✔type B
,Which type of wax is used to cover orthodontic brackets? - correct answer
✔utility wax
Only specific chemicals are harmful to the dental professional. - correct
answer ✔false
Only serious severe injuries should be reported to the dentist. - correct
answer ✔false
Personal protective equipment includes the following items: - correct answer
✔all answers are correct
(lab coat, mask, glasses, gloves)
Dental stone can produce particulate matter. _________ is part of your PPE
to protect your lungs. - correct answer ✔mask
Chemicals that have been shown to cause physical health hazard is called
__________. - correct answer ✔hazardous chemicals
Chemicals can enter the body in various ways including ____________. -
correct answer ✔all answers are correct
(cut in the skin, ingestion, inhalation, absorption)
Gloves are not always required in the lab since the skin is typically an
effective barrier. - correct answer ✔false
Many chemicals used in dentistry have a low flash point and are flammable. -
correct answer ✔true
, Dental lab facilities need ____________ to disperse fumes and reduce
particulate matter. - correct answer ✔proper ventilation
A sharps container should be stored far away from the patient operatory to
prevent the patient from being injured. - correct answer ✔false
OSHA Hazard Communication training should take place ________________.
- correct answer ✔all answers are correct
(when new employees are hired, when new chemicals are added, annually)
Patient safety is a priority in the dental office. Patients should wear protective
eye wear. - correct answer ✔true
Items arriving in the dental lab from the patient treatment operatory do not
require disinfection since they have already be disinfected chairside. - correct
answer ✔false
Acute chemical toxicity occurs when the employee is exposed to
___________ levels of hazardous chemical over _________ period of time. -
correct answer ✔high; short
Reducing the dental professional's exposure to Bio-aerosols can be
accomplished by ______________. - correct answer ✔all answers are
correct
(having all dental professionals wear masks, having the dental professional
use the HVE as much as possible, requesting the patient to use a per-
procedure mouth rinse)
What is the purpose of a bite registration? - correct answer ✔to show the
relationship of the maxillary and mandibular teeth
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