Duplicate of Dental Materials- Exam#1, Chapters1-3

Which of the following is true of galvanism

The best resource for choosing which dental material to use could be determined by

__ is the time permitted to manipulate the material in the mouth

The reaction initiated when a catalyst and a base are mixed together will be

Percolation

The thicker or thinner a material is, is called its

The first acceptance amalgam formula was developed by __in 1895

__ refers to the intensity or strength of the colour

Which of the following statement is true concerning the ADA seal?

The stability of a solid is evaluated by nothing

Altering the set ratios of a material for any purpose will

Until 1970's, which of the following groups of dental auxiliaries were allowed to perform intra

Liquids are evaluated by their

Which of the following is not a concern regarding identification of dental materials in mouth

The thermal conductivity of composite resin

Fatigue failure?

The normal resting pH of saliva ranges from 6.2 to _, which is neutral

Excessive expansion of a resto material may result in

Which of the following materials has the highest ultimate compressive strength?

When an object cannot resist force, __ occurs

Some materials give off heat when mixed, this is called a/an

todays approach to dental care is referred to as

Which of the follow resto technique was first introduced in 1955?

Which of the following would not be an adverse effect of a material

Which of the following dental resto materials is particular susceptible to corrosion

Which of the following is true concerning initial and final setting times?

Which of the following is the hardest material

A __ material will flow more easily under mechanical pressure

Which of the following is an example of direct resto material

Which of the following is the best thermal conductor?

occurs when two atoms share electrons in their outer shell, creating full shells for both

The coefficient of thermal expansion is significant in dental materials because its

The use of expired or improperly stored materials may:

Microleakage is caused by

Normal masticatory forces on the occlusal surfaces of molar teeth can increase to as much as__

Since 2005, the ADA Seal of Acceptance is awarded to

The staining of resins and acrylics from repeated exposure to coffee, tea and dyed beverages

In history, the earliest recorded mention of restorative dentistry occurs about

Which of the following is not a classification of dental materials

The "amalgam war" was fought over

Contact bw two dissimilar metals in the mouth may result in

Dental materials considered devices, are subject to control and regulation of the_ Center for..

Which of the following is NOT a good conductor temp

Which of the following is considered to be the most reliable means of clinical assessment

The max amount of stress a material can take before breaking is known as its

Which of the following forms of matter has/have both shape and volume

Which of the following resto materials has a coefficient of thermal expansion&conductivity

Of the following, which is not an application of a material's classification?

Dr. Frederick McKay is credited with

The colour range of a tooth is usually seen by the human eye as yellow or brown.

Stress is the amount of force exerted from within object and_is the amount of change that force

Silver paste was first mentioned as a restorative material for teeth by the

Represents the standards used to develop specifications& testing on international level

__forces is applied when two surfaces slide against each other or in a twisting or rotating

Most modern dental materials are made to be moisture resistant

Which of the following is not primary bond

Of the three types of forces, which is most concerned with the stretching of a material

Which of the following has been suggested to delay formation of surface tarnish on amalgam

The delivery of dental materials most often falls to

Which of the following are considered to be therapeutic dental materials

Which statement is true for the property of wetting as related to dental materials

Fatigue failure occurs when:

If molecules of a solid are arranged in a random form with no regular pattern, solid is called

Which of the following would not be considered a direct placement resto material

in general,__ temp and __ humidity will accelerate the reaction of the material

Dual set materials utilize __ setting reactions

Metals that can withstand dimensional change without breaking are

Which of the following is an example of a secondary rather than primary bond

Adhesion is the method of __ retention