Key Terms
Lab Equipment
Lathe
Gypsum
Wax
100
A device used to reproduce the patient’s jaw movements.
What is Articulator
100
A ____________ requires a balanced air and gas mixture to produce a clean blue flame.
What is Bunsen burner
100
Larger versions of operative carbide burs used to remove unwanted material during fabrication of a dental prosthesis.
What is Acrylic burs
100
The most common ___________ are plaster, stone, and high-strength stone.
What is gypsum products
100
Is usually green in color and coated with a water-soluble adhesive on one side. It is used for registering occlusal contacts on teeth. The dentist may use it to evaluate high spots on restorations.
What is Indicator wax
200
Free from contamination by disease-producing microorganisms.
What is Aseptic
200
The ____________ is used for rapid fabrication of custom trays, mouth guards, splints for temporary crowns, night guards for bruxism, and bleaching trays.
What is vacuum former
200
__________ circular sandpaper bands that are used to remove unwanted material during fabrication of a dental prosthesis.
What is Arbor bands
200
____________ is the strongest gypsum product.
What is Die stone
200
Has metal incorporated into the wax. The metal is copper or aluminum. It comes in U-shaped wafers. It is also used to record the occlusal relationship between a patient’s opposing arches and for the proper articulation of the maxillary and mandibular models.
What is Bite registration wax
300
Part of an articulator that is used to record the relationship of the maxillary arch to the horizontal axis rotation of the mandible.
What is Facebow
300
_______________ are made of flexible rubber or plastic material.
What is Dental lab mixing bowls
300
Larger version of operative dental stones used to remove unwanted material during fabrication of a dental prosthesis.
What is Dental stones
300
The _____________ of a cast model includes the teeth and oral structures.
What is anatomical portion
300
Is used to create a spacer over the cast before a custom tray is made. This wax may be used to block out undercuts on cast models or for bite registration and to simulate the vertical dimension created by the teeth during denture and partial denture fabrication. It is pink and is available in sheets or U-shaped blocks.
What is Baseplate wax
400
A rotary machine used during grinding, finishing, and polishing procedures.
What is Lathe
400
A ________ is used to blend the powdered alginate or gypsum and water together in the bowl.
What is spatula
400
Items made of cloth used to polish or buff dental prosthetic appliances so that they are smooth. Wet pumice is used to facilitate the polishing.
What is Ragwheels
400
Is used for laboratory procedures when strength is not important.
What is Plaster of Paris
400
Is made of beeswax, paraffin, and resin. It comes in orange and darker shades of blue, red, and violet. The resin gives the wax its adhesiveness and hardness. It is also useful in holding broken parts of a denture together during repair.
What is Sticky wax
500
A machine used to grind and contour gypsum cast models.
What is Model trimmer
500
__________ are used to move dental plaster or stone gypsum products when pouring a cast model.
What is Dental vibrators
500
All dental personnel should wear the _______________ when working with the dental lathe. Never leave an unattended dental lathe running or attempt to stop the lathe by grasping the attachment with one’s hands.
What is appropriate personal protective equipment
500
May be used as an educational tool to educate the patient on specific dental needs. It is important that they have a clean, neat appearance for the presentation of information.
What is Dental study models
500
Is a red or colorless wax that comes in rope form. It is extremely pliable and tacky at room temperature. It can be used on the periphery of impression trays to extend the tray or to make it a more comfortable fit for the patient.
What is Utility wax
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