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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
The use of fluoride began in year ______.
1915
26
In 1935, this material was introduced as a denture base material to support artificial teeth.
Polymerized Acrylic Resin
27
In 1944, _______________ began and caries incidence was reduced by 50%.
Controlled water fluoridation (1 ppm)
28
Important Contributions in the 1950s
- 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
29
Important Contributions in the 1970s
- Glass ionomers and polycarboxylates were developed - New wires for orthodontics - New composites - Adhesives that could bond to dentin - More accurate impression materials - Ceramics
30
In 1980s, more developments were brought further in. These developments include:
- Dentin Adhesives - Composites and Ceramics - Light-Cured Liners - Glass Ionomers and Sealants
31
Development in 1990s.
- Simplified Dentin Adhesives - Reinforced Ceramics for Fixed Bridges - Resin-modified glass ionomers - Composites - Low-fusing Porcelains - New Root Canal Fillers
32
Who are the Important Researchers in the Field of Dental Materials?
1. Wilmer Souder 2. George C. Paffenbarger 3. William T. Sweeney
33
He is the motivating force in establishing the Dental Research Section at the National Bureau of Standards (now National Institute of Standards and Technology).
Wilmer Souder
34
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.
George C. Paffenbarger
35
He is a scientist for the Bureau of Standards.
William T. Sweeney
36
Characteristics of the Ideal Dental Material
- 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
CHARACTERISTIC: Non toxic; non irritating; non allergenic
Biocompatible
38
CHARACTERISTIC: Strong; fracture resistant; stiff
Mechanically stable and durable
39
CHARACTERISTIC: Does not deteriorate over time
Resistant to Corrosion or Chemicals
40
CHARACTERISTIC: Minimally affected by temperature or solvents
Dimensionally Stable
41
CHARACTERISTIC: Insulators
Minimally Conductive Both Thermally and Electrically
42
CHARACTERISTIC: Oral tissue-like appearance
Esthetic
43
CHARACTERISTIC: Placement and finishing with reasonable time and effort
Easy to manipulate
44
CHARACTERISTIC: Provide durable, tight union for retention and sealing
Adherent to Tissues
45
CHARACTERISTIC: Not irritating or unpleasant
Tasteless and Odorless
46
CHARACTERISTIC: Can be maintained or fixed
Cleanable/Repairable
47
CHARACTERISTIC: Within the patient's budget
Cost-effective
48
WHAT YEAR: seashell segments placed in anterior tooth sockets A. 600 AD B. 1800 C. 700 BC
A. 600 AD
49
WHAT YEAR: Pfaff's model using plaster of Paris A. 1728 B. 1756 C. 1765
B. 1756
50
WHAT YEAR: Fauchard's artificial dentures made from ivory A. 1728 B. 1792 C. 1782
A. 1728
51
WHAT YEAR: porcelain teeth A. 1792 B. 1972 C. 1729
A. 1792
52
WHAT YEAR: porcelain inlay A. 1950 B. 1800 C. 1728
B. 1800
53
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.
B. Early 1800 in France 1830 in U.S.
54
WHAT YEAR: Gutta Percha A. 1950 B. 1970 C. 1850
C. 1850
55
WHAT YEAR: Zinc Phosphate A. Late 1880 B. 1980 C. Early 1980
A. Late 1880
56
WHAT YEAR: Stainless steels for orthodontics A. 1970 B. 1960 C. 1950
C. 1950
57
WHAT YEAR: Fluoride Use A. 1980 B. 1915 C. 1935
B. 1915
58
WHAT YEAR: Plaster of Paris as an impression material A. 1850 B. 1970 C. 1980
A. 1850
59
WHAT YEAR: Glass Ionomers and Polycarboxylates A. 1980 B. 1950 C. 1970
C. 1970
60
WHAT YEAR: First Dentin Adhesives A. 1980 B. 1990 C. 1970
C. 1970
61
WHAT YEAR: Pits and Fissure Sealants A. 1950 B. 1960 C. 1970
A. 1950
62
WHAT YEAR: Metal mixtures based on gold and platinum came into use. A. 1850 B. 1792 C. 1728
A. 1850
63
WHAT YEAR: High copper amalgam A. 1944 B. 1970 C. 1950
C. 1950
64
WHAT YEAR: Vulcanite A. 1792 B. 1850 C. 1990
B. 1850
65
TRUE OR FALSE: Fauchard perfected the formulation and use of dental amalgam in 1895.
FALSE, it was GV Black. :P
66
WHAT YEAR: Silicate Cement A. 1880 B. 1910 C. 1915
A. 1880
67
WHAT YEAR: Lost wax technique A. 1895 B. 1910 C. 1915
B. 1910
68
WHAT YEAR: Zinc oxychloride as cementing agent and a restorative. A. 1850 B. 1950 C. 1970
A. 1850
69
WHAT YEAR: Polymerized acrylic resin A. 1915 B. 1935 C. 1944
B. 1935
70
WHAT YEAR: Controlled water fluoridation A. 1915 B. 1935 C. 1944
C. 1944
71
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
B. 1990
72
WHAT YEAR: Elastic impression materials A. 1950 B. 1970 C. 1990
A. 1950
73
WHAT YEAR: New wires for orthodontics and new composites A. 1950 B. 1944 C. 1970
C. 1970
74
WHAT YEAR: Ceramics A. 1980 B. 1950 C. 1970
C. 1970
75
76
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
B. 1980
76
WHAT YEAR: Non-noble metals (gold-free) for casting process A. 1980 B. 1950 C. 1970
B. 1950
77
WHAT YEAR: Dental composites used with acid etch technique A. 1980 B. 1970 C. 1950
C. 1950
78
WHAT YEAR: More accurate impression materials A. 1970 B. 1960 C. 1950
A. 1970
79
WHAT YEAR: New noble casting metals A. 1950 B. 1940 C. 1960
A. 1950
80
Who introduced the amalgam to U.S. in 1833
Crawcour Brothers
81
He carved teeth from hippo ivory for complete dentures he made for George Washington in 1789.
John Greenwood

DENT MAT LEC PRELIMS (4 decks)

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