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DENT MAT LEC PRELIMS > Chapter 1: History > Flashcards

Chapter 1: History Flashcards

1
Q

They used gold bands and wires for the construction of partial dentures.

A

Phoenicians (After 2500 BC)
Etruscans (After 800 BC)

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2
Q

He was the first to use gold foil for dental restorative purposes in 1948.

A

Johannes Arcelanus

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3
Q

These were used to position extracted teeth in place of the missing teeth by the Phoenicians after 2500 BC and the Etruscans after 800 BC.

A

Gold Bands

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4
Q

When was the earliest recorded evidence of a tooth implant materials?

A

As early as 700 BC

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5
Q

They were credited for the earliest documented evidence of tooth implant materials.

A

Etruscans

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6
Q

They used implants consisting of seashell segments placed in anterior tooth sockets.

A

Mayans, 600 AD

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7
Q

They used hammered gold inlays and stone or mineral inlays for decorative purposes.

A

Mayans and Aztecs

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8
Q

They performed tooth mutilations using hammered gold, but not for decorative purposes

A

Incans

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9
Q

He is the Father of Dentistry.

A

Fauchard / Pierre Fauchard

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10
Q

In 1728, Fauchard published a treatise describing many types of dental restorations, including a method for construction of artificial dentures made from _______.

A

Ivory

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11
Q

In 1756, he described a method for making impressions of the mouth in wax from which he constructed a model with plaster of Paris.

A

Pfaff / Phillip Pfaff

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12
Q

In 1792, he patented a process for the construction of porcelain teeth.

A

De Chamant / Nicolas Dubois de Chémant

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13
Q

In the early 1800, this material was introduced soon thereafter the process for the construction of porcelain teeth was patented.

A

Porcelain Inlay

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14
Q

The first dental amalgam or “silver filling” was produced in which country?

A

France

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15
Q

The dental amalgam reached the U.S. in which year?

A

approx. 1830

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16
Q

Materials that were introduced in the 1850’s.

A
  • Amalgam with copper
  • Plaster of Paris as an impression material
  • Gutta Percha
  • Metal Mixtures based on gold and platinum
  • Vulcanite
  • A compound made of zinc oxychloride as cementing agent and a restorative.
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17
Q

It is a hard rubber material which was introduced as a replacement for ivory dentures.

A

Vulcanite

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18
Q

It is used for filling the root canals.

A

Gutta Percha

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19
Q

Two materials that were introduced to secure circular gold inlays into prepared cavity in the late 1880.

A

Zinc Phosphate and Silicate Cement

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20
Q

Who is the Father of Modern Dentistry and the pioneer of restorative dentistry?

A

Dr. G.V. Black

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21
Q

When did G.V. Black perfected the formulation and use of dental amalgam in his laboratory at Northwestern University in Chicago, Illinois.

A

End of 19th century (1895)

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22
Q

In 1910, he brought the lost wax technique to the dental field.

A

Taggert / William Taggart

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23
Q

What is the lost wax technique all about?

A

The accurate production of metal inlays, crowns, and bridges made of gold-containing alloys were made possible.

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24
Q

This prevents tooth demineralization.

A

Fluoride

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25
Q

The use of fluoride began in year ______.

A

1915

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26
Q

In 1935, this material was introduced as a denture base material to support artificial teeth.

A

Polymerized Acrylic Resin

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27
Q

In 1944, _______________ began and caries incidence was reduced by 50%.

A

Controlled water fluoridation (1 ppm)

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28
Q

Important Contributions in the 1950s

A
  • Stainless steels for orthodontics
  • Non-noble metals (gold-free) for casting process
  • Elastic impression materials
  • Dental composites used with acid etch technique
  • New noble casting metals
  • Pit and fissure sealants
  • High copper amalgam
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29
Q

Important Contributions in the 1970s

A
  • Glass ionomers and polycarboxylates were developed
  • New wires for orthodontics
  • New composites
  • Adhesives that could bond to dentin
  • More accurate impression materials
  • Ceramics
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30
Q

In 1980s, more developments were brought further in. These developments include:

A
  • Dentin Adhesives
  • Composites and Ceramics
  • Light-Cured Liners
  • Glass Ionomers and Sealants
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31
Q

Development in 1990s.

A
  • Simplified Dentin Adhesives
  • Reinforced Ceramics for Fixed Bridges
  • Resin-modified glass ionomers
  • Composites
  • Low-fusing Porcelains
  • New Root Canal Fillers
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32
Q

Who are the Important Researchers in the Field of Dental Materials?

A
  1. Wilmer Souder
  2. George C. Paffenbarger
  3. William T. Sweeney
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33
Q

He is the motivating force in establishing the Dental Research Section at the National Bureau of Standards (now National Institute of Standards and Technology).

A

Wilmer Souder

34
Q

He is the developer of specifications for the American Dental Association. He is an author of over 170 publications and a world-renowned researcher in dental materials at the National Bureau of Standards.

A

George C. Paffenbarger

35
Q

He is a scientist for the Bureau of Standards.

A

William T. Sweeney

36
Q

Characteristics of the Ideal Dental Material

A
  • Biocompatible
  • Mechanically stable and durable
  • Resistant to Corrosion or Chemicals
  • Dimensionally stable
  • Minimally Conductive Both Thermally and Electrically
  • Esthetic
  • Easy to Manipulate
  • Adherent to Tissues
  • Tasteless and Odorless
  • Cleanable/Repairable
  • Cost-effective
37
Q

CHARACTERISTIC: Non toxic; non irritating; non allergenic

A

Biocompatible

38
Q

CHARACTERISTIC: Strong; fracture resistant; stiff

A

Mechanically stable and durable

39
Q

CHARACTERISTIC: Does not deteriorate over time

A

Resistant to Corrosion or Chemicals

40
Q

CHARACTERISTIC: Minimally affected by temperature or solvents

A

Dimensionally Stable

41
Q

CHARACTERISTIC: Insulators

A

Minimally Conductive Both Thermally and Electrically

42
Q

CHARACTERISTIC: Oral tissue-like appearance

43
Q

CHARACTERISTIC: Placement and finishing with reasonable time and effort

A

Easy to manipulate

44
Q

CHARACTERISTIC: Provide durable, tight union for retention and sealing

A

Adherent to Tissues

45
Q

CHARACTERISTIC: Not irritating or unpleasant

A

Tasteless and Odorless

46
Q

CHARACTERISTIC: Can be maintained or fixed

A

Cleanable/Repairable

47
Q

CHARACTERISTIC: Within the patient’s budget

A

Cost-effective

48
Q

WHAT YEAR: seashell segments placed in anterior tooth sockets

A. 600 AD
B. 1800
C. 700 BC

49
Q

WHAT YEAR: Pfaff’s model using plaster of Paris

A. 1728
B. 1756
C. 1765

50
Q

WHAT YEAR: Fauchard’s artificial dentures made from ivory

A. 1728
B. 1792
C. 1782

51
Q

WHAT YEAR: porcelain teeth

A. 1792
B. 1972
C. 1729

52
Q

WHAT YEAR: porcelain inlay

A. 1950
B. 1800
C. 1728

53
Q

WHAT YEAR: dental amalgam

A. Late 1800 in France, 1840 in U.S.
B. Early 1800 in France, 1830 in U.S.
C. Early 1800 in France, 1840 in U.S.

A

B. Early 1800 in France
1830 in U.S.

54
Q

WHAT YEAR: Gutta Percha

A. 1950
B. 1970
C. 1850

55
Q

WHAT YEAR: Zinc Phosphate

A. Late 1880
B. 1980
C. Early 1980

A

A. Late 1880

56
Q

WHAT YEAR: Stainless steels for orthodontics

A. 1970
B. 1960
C. 1950

57
Q

WHAT YEAR: Fluoride Use

A. 1980
B. 1915
C. 1935

58
Q

WHAT YEAR: Plaster of Paris as an impression material

A. 1850
B. 1970
C. 1980

59
Q

WHAT YEAR: Glass Ionomers and Polycarboxylates

A. 1980
B. 1950
C. 1970

60
Q

WHAT YEAR: First Dentin Adhesives

A. 1980
B. 1990
C. 1970

61
Q

WHAT YEAR: Pits and Fissure Sealants

A. 1950
B. 1960
C. 1970

62
Q

WHAT YEAR: Metal mixtures based on gold and platinum came into use.

A. 1850
B. 1792
C. 1728

63
Q

WHAT YEAR: High copper amalgam

A. 1944
B. 1970
C. 1950

64
Q

WHAT YEAR: Vulcanite

A. 1792
B. 1850
C. 1990

65
Q

TRUE OR FALSE: Fauchard perfected the formulation and use of dental amalgam in 1895.

A

FALSE, it was GV Black. :P

66
Q

WHAT YEAR: Silicate Cement

A. 1880
B. 1910
C. 1915

67
Q

WHAT YEAR: Lost wax technique

A. 1895
B. 1910
C. 1915

68
Q

WHAT YEAR: Zinc oxychloride as cementing agent and a restorative.

A. 1850
B. 1950
C. 1970

69
Q

WHAT YEAR: Polymerized acrylic resin

A. 1915
B. 1935
C. 1944

70
Q

WHAT YEAR: Controlled water fluoridation

A. 1915
B. 1935
C. 1944

71
Q

WHAT YEAR: Simplified dentin adhesives, reinforced ceramics for fixed bridges, resin-modified glass ionomers, composites, low-fusing porcelains, new root canal fillers

A. 1880
B. 1990
C. 1980

72
Q

WHAT YEAR: Elastic impression materials

A. 1950
B. 1970
C. 1990

73
Q

WHAT YEAR: New wires for orthodontics and new composites

A. 1950
B. 1944
C. 1970

74
Q

WHAT YEAR: Ceramics

A. 1980
B. 1950
C. 1970

76
Q

WHAT YEAR: further developments in: dentin adhesives, composites and ceramics, light-cured liners, glass ionomers and sealants were introduced.

A. 1970
B. 1980
C. 1990

76
Q

WHAT YEAR: Non-noble metals (gold-free) for casting process

A. 1980
B. 1950
C. 1970

77
Q

WHAT YEAR: Dental composites used with acid etch technique

A. 1980
B. 1970
C. 1950

78
Q

WHAT YEAR: More accurate impression materials

A. 1970
B. 1960
C. 1950

79
Q

WHAT YEAR: New noble casting metals

A. 1950
B. 1940
C. 1960

80
Q

Who introduced the amalgam to U.S. in 1833

A

Crawcour Brothers

81
Q

He carved teeth from hippo ivory for complete dentures he made for George Washington in 1789.

A

John Greenwood

DENT MAT LEC PRELIMS (4 decks)

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