Dental Materials Quiz 1 Ch. 1, 2, & 4
Study Guidelines 2026
Silver paste was first mentioned as a restorative material for teeth by the: - Correct Answer
Chinese
What is Dr. Frederick McKay credited with? - Correct Answer The discovery of dental
fluorosis
The first acceptable amalgam formula was developed by ____________ in 1895 - Correct
Answer G.V. Black
Normal masticatory forces on the occlusal surfaces of molar teeth can increase to as much
as _____________ pounds per square inch on a cusp tip. - Correct Answer 28,000
____________ force is applied when two surfaces slide against each other in opposite
directions - Correct Answer Shearing
Stress is the amount of force exerted from within an object, and ___________ is the amount
of change that the force has produced. - Correct Answer Strain
The normal resting pH of saliva ranges from 6.2 to ____________, which is neutral. - Correct
Answer 7.0
What is percolation? - Correct Answer Something that allows the ingress of bacteria and oral
fluids and may lead to recurrent caries, staining, and pulpal irritation
Which particulates are smaller than 5 microns? - Correct Answer aerosols
Which of the following is the best thermal conductor? - Correct Answer Gold
, Which term refers to the intensity or strength of the color? - Correct Answer Chroma
Contact between two dissimilar metals in the mouth may result in what reaction? - Correct
Answer Galvanism
What is it called when some materials give off heat when mixed? - Correct Answer
Exothermic reaction
Which term describes the thicker or thinner a material is? - Correct Answer Viscosity
Adhesion is the method of ____________ retention - Correct Answer Chemical
The color range of a tooth is usually seen by the human eye as yellow or brown. What is this
component classified as? - Correct Answer Hue
Acute chemical toxicity results from _____ levels of exposure over a _____ period of time. -
Correct Answer high, short
A substance is defined as being corrosive if the pH is less than ________ or greater than 12.5
- Correct Answer 2.0
Staff training for a hazard communication program is required once __________ for all
continuing employees. - Correct Answer A year
Exposure to chemicals over a prolonged period of time is ___________ exposure. - Correct
Answer Chronic chemical toxicity
What would a mercury spill kit include? - Correct Answer Mercury absorbing powder,
mercury sponges, disposable bag
Study Guidelines 2026
Silver paste was first mentioned as a restorative material for teeth by the: - Correct Answer
Chinese
What is Dr. Frederick McKay credited with? - Correct Answer The discovery of dental
fluorosis
The first acceptable amalgam formula was developed by ____________ in 1895 - Correct
Answer G.V. Black
Normal masticatory forces on the occlusal surfaces of molar teeth can increase to as much
as _____________ pounds per square inch on a cusp tip. - Correct Answer 28,000
____________ force is applied when two surfaces slide against each other in opposite
directions - Correct Answer Shearing
Stress is the amount of force exerted from within an object, and ___________ is the amount
of change that the force has produced. - Correct Answer Strain
The normal resting pH of saliva ranges from 6.2 to ____________, which is neutral. - Correct
Answer 7.0
What is percolation? - Correct Answer Something that allows the ingress of bacteria and oral
fluids and may lead to recurrent caries, staining, and pulpal irritation
Which particulates are smaller than 5 microns? - Correct Answer aerosols
Which of the following is the best thermal conductor? - Correct Answer Gold
, Which term refers to the intensity or strength of the color? - Correct Answer Chroma
Contact between two dissimilar metals in the mouth may result in what reaction? - Correct
Answer Galvanism
What is it called when some materials give off heat when mixed? - Correct Answer
Exothermic reaction
Which term describes the thicker or thinner a material is? - Correct Answer Viscosity
Adhesion is the method of ____________ retention - Correct Answer Chemical
The color range of a tooth is usually seen by the human eye as yellow or brown. What is this
component classified as? - Correct Answer Hue
Acute chemical toxicity results from _____ levels of exposure over a _____ period of time. -
Correct Answer high, short
A substance is defined as being corrosive if the pH is less than ________ or greater than 12.5
- Correct Answer 2.0
Staff training for a hazard communication program is required once __________ for all
continuing employees. - Correct Answer A year
Exposure to chemicals over a prolonged period of time is ___________ exposure. - Correct
Answer Chronic chemical toxicity
What would a mercury spill kit include? - Correct Answer Mercury absorbing powder,
mercury sponges, disposable bag
