Chapter 47: Laboratory Materials and
Procedures
What are the uses of the dental laboratory? - correct answer ✔- Making
models from impressions
- Trimming and finishing diagnostic models
- Preparing custom trays
- Polishing
Safety in the Dental Laboratory - correct answer ✔Exposure control is just as
important as when you are with a patient.
What are the laboratory rules? - correct answer ✔- No eating, drinking, or
smoking
- Keep cosmetics away
- Wear PPE
- Keep hair back
- Report all accidents to dentist immediately
- Follow manufacturer's instructions for equipment operation
- Clean work area before and after every procedure
Physical Safety in Dental Lab - correct answer ✔Know location of fire
extinguisher and fire escape routes.
Chemical Safety in Dental Lab - correct answer ✔Take care in handling
corrosive, toxic, and carcinogenic (can cause cancer) substances.
, Biohazards in the Dental Lab - correct answer ✔Items brought into the lab
can harbor blood and saliva that may be infective.
Dental Lab Eqiupment - correct answer ✔- Heat sources
- Model trimmer
- Vacuum Former
- Vibrating table
- Lab handpiece
- Sandblaster
- Articulator
- Face bow
- Dental lathe
- Specialized spatulas and bowls
Use of Dental Models - correct answer ✔- Diagnosis for a fixed or removable
prosthetic device
- Diagnosis of an orthodontic treatment
- Visual presentation of dental treatment
- Production of custom trays
- Creation of ortho appliances
- Making of provisional coverage / temporary restoration
- Making of mouth guards
Chemical Properties of Gypsum - correct answer ✔- A mineral mined from
the earth
- It's the dihydrate form of calcium sulfate
- Converted into a powdered hemihydrate
Procedures
What are the uses of the dental laboratory? - correct answer ✔- Making
models from impressions
- Trimming and finishing diagnostic models
- Preparing custom trays
- Polishing
Safety in the Dental Laboratory - correct answer ✔Exposure control is just as
important as when you are with a patient.
What are the laboratory rules? - correct answer ✔- No eating, drinking, or
smoking
- Keep cosmetics away
- Wear PPE
- Keep hair back
- Report all accidents to dentist immediately
- Follow manufacturer's instructions for equipment operation
- Clean work area before and after every procedure
Physical Safety in Dental Lab - correct answer ✔Know location of fire
extinguisher and fire escape routes.
Chemical Safety in Dental Lab - correct answer ✔Take care in handling
corrosive, toxic, and carcinogenic (can cause cancer) substances.
, Biohazards in the Dental Lab - correct answer ✔Items brought into the lab
can harbor blood and saliva that may be infective.
Dental Lab Eqiupment - correct answer ✔- Heat sources
- Model trimmer
- Vacuum Former
- Vibrating table
- Lab handpiece
- Sandblaster
- Articulator
- Face bow
- Dental lathe
- Specialized spatulas and bowls
Use of Dental Models - correct answer ✔- Diagnosis for a fixed or removable
prosthetic device
- Diagnosis of an orthodontic treatment
- Visual presentation of dental treatment
- Production of custom trays
- Creation of ortho appliances
- Making of provisional coverage / temporary restoration
- Making of mouth guards
Chemical Properties of Gypsum - correct answer ✔- A mineral mined from
the earth
- It's the dihydrate form of calcium sulfate
- Converted into a powdered hemihydrate
