TEST BANK FOR DENTAL
MATERIALS 4TH EDI-
TION BY EAKLE
,Chapter 01: Introduction to Dental Materials
MULTIPLE CHOICE
1. Until 1970, which of the following groups of dental auxiliaries were allowed to perform
intraoral functions in all states?
1. Dental hygienists
2. Registered dental assistants
3. Certified dental assistants
4. On-the-job trained dental assistants
a. 1, 2, 3, 4
b. 1, 2, 3
c. 1, 2
d. 1
ANS: D
Until 1970, only the dental hygienist was allowed to perform intraoral functions in all states.
Although laws vary from state to state, virtually every state has modified, updated, and
made changes to state restrictions to allow for the performance of intraoral procedures by all
allied oral health care practitioners.
DIF: Apply
REF: The Role of the Dental Auxiliary in the Use of Dental Materials | p. 1
OBJ: 2
TOP: NBDHE, Providing Supportive Treatment Services 6.0 | CODA, GCE Domain IV
Diagnostic/Laboratory Procedures and Dental Materials
2. How would a dental office decide which dental materials to use?
1. Use samples.
2. Analyze publications.
3. Dentists preference.
4. Patient treatment needs.
a. 1, 2, 3, 4
b. 1, 2, 3
c. 1, 2
d. 1
ANS: A
The American Dental Association advocates the use of evidence-based dentistry to choose
which dental materials are best utilized in the assessment of which dental materials best
represent the needs of the dental practice. This evidence is based on scientific information
published in professional publications. Other considerations including the use of samples
provided by manufactures representatives, the dentists preference related to properties and
handling, as well a materials selected for a patients individual treatment needs.
DIF: Apply REF: Evidence-Based Dentistry | p. 2 OBJ: 3
TOP: NBDHE | CODA, GCE Domain IV Diagnostic/Laboratory Procedures and Dental
Materials
, 3. What was the “Amalgam War” fought over?
a. Mining rights in states in the Western region of the United States
b. The price of silver in relation to tin and zinc
c. The value and safety of silver dental amalgam
d. Patent issues between France and England
ANS: C
The “Amalgam War” was fought over the value and safety of silver dental amalgam. It did
not end until 1895, when G.V. Black developed an acceptable amalgam formula.
DIF: Understand REF: The Historical Development of Dental Materials | p. 3
OBJ: 1
TOP: NBDHE, Providing Supportive Treatment Services 6.0 | CODA, GCE Domain IV
Diagnostic/Laboratory Procedures and Dental Materials
4. Which of the following restorative techniques was first introduced in 1955?
a. Cast gold inlays
b. Cohesive gold foil
c. Acid-etch technique
d. Synthetic resins for denture bases
ANS: C
The acid-etch technique was introduced in 1955. Cohesive gold foil, which could be
condensed directly into the cavity preparation, was introduced in 1855. In 1907, Dr. William
Taggart demonstrated a casting method to produce gold inlays. Synthetic resins were
introduced in 1932; these resins soon replaced rubber as the denture base of choice. Around
this time, synthetic resins also became a popular tooth-colored alternative, and, together
with the introduction of the acid-etch technique, they have evolved into composite resin, one
of the most popular restorative materials.
DIF: Knowledge REF: The Historical Development of Dental Materials | p. 4
OBJ: 4
TOP: NBDHE, Providing Supportive Treatment Services 6.0 | CODA, GCE Domain IV
Diagnostic/Laboratory Procedures and Dental Materials
5. What is Dr. Frederick McKay credited with?
a. Developing an acceptable formula for silver dental amalgam.
b. Demonstrating a casting method to produce gold inlays.
c. Noting dental fluorosis in Colorado Spring.
d. The introduction of dental cements.
ANS: C
Dr. Frederick McKay is credited with noting dental fluorosis in Colorado Springs in 1901.
Together with G.V. Black, he determined that drinking water was the factor. These
caries-free but mottled teeth prompted Dr. McKay to suggest changes in the water supply,
leading to the first community water fluoridation programs in 1945.
DIF: Apply REF: The Historical Development of Dental Materials | p. 4
