Amalgam
What is the best instrument to assist in detecting an amalgam overhang?
Explorer
Name a use of acrylic resin in dentistry.
Denture Base, Partial Denture Base, Temporary Crowns, Custom Trays
Which abrasive looks like a grayish black sand and is sometimes called "corundum"?
Emery
A 75% gold alloy may also be expressed as:
750 fine or 18 carat
What is the most common type of implant used today?
Endosseous
What is the correct sequence of rubber abrasive points when polishing an amalgam?
Brownies, Greenies, Super Greenies
What happens to the surface of a denture when you apply monomer to it for a repair?
It dissolves some of the set material.
Which abrasive is used as a slurry to polish amalgam restorations and is also called calcium carbonate?
Whiting
Which type of wax is hard, leaves no burnout residue, and has a higher melting temperature?
Inlay
Name a contraindication to implant placement.
Diabetes, Smoking, Poor oral health and hygiene
also: limiting anatomic structures, pathology in the bone, unrealistic expectations of the patient
What amount of time must you wait before polishing an amalgam restoration?
24 hours
Name a benefit of an Immediate Denture.
It can protect the extraction sites during healing. It restores function and esthetics.
What is the most frequently used abrasive in dentifrice?
Silica
Silver is a _______ metal.
Precious
What are implant scalers made of?
Plastic (also graphite)
What is the weakest phase in the setting reaction of a low copper amalgam alloy?
gamma 2 (y2)
What are the wax rims used for in denture construction?
Midline, Plane of Occlusion, Size of denture teeth
Name a factor that affects abrasion.
hardness, size, shape, pressure, speed, lubrication
What is the purpose of the investment in fabricating a crown?
Form the mold for casting
What is the most important sign of Implant failure?
Mobility
When copper is increased in an amalgam alloy, which metal is decreased?
Silver
What piece of lab equipment is a denture fabricated in?
Denture flask
What is the science of interacting surfaces in motion that incorporates the study and application of the principles of friction, lubrication, and wear?
Tribology
How much gold is in a nonprecious metal?
None
Who was the orthopedic surgeon who developed surgical procedures and implant materials that led to the first reliable dental implants?
Dr. P. I. Branemark