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Biomaterials Exam 1 > Intro > Flashcards

Intro Flashcards

(48 cards)

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1
Q

when assessing the chemical and mechanical properties of a material, we are answering the question….

A

what is the effect of the oral environment on the material?

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2
Q

Other than chemical and mechanical properties, what other physical properties of materials are important to consider

A

thermal and optical properties

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3
Q

What effects can the oral cavity have on synthetic materials

A

chemical attack
corrosion
mechanical shock
surface abrasion

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4
Q

biological materials

A

materials which occur in the body

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5
Q

assessing interfacial properties asks the question…

A

what is the nature of the interface between the synthetic material and the oral tissues?

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6
Q

what are the six important concepts that must be analyzed when assessing the requirements of materials to be used in the oral cavity

A 
BICMEP
biocompatibility
interfacial properties
chemical properties
mechanical properties
esthetics
practicability
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7
Q

why must optical properties be assesed

A

aesthetic appeal

restoration should match appearance of tooth - color, translucency

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8
Q

what is being assessed when looking into interfacial properties of a material

A

adhesion

microleakage

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9
Q

Other than chemical and mechanical properties, what other physical properties of materials are important to consider

A

thermal and optical properties

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10
Q

Assessing biocompatibility asks the question…

A

what effect will the material have on the oral environment

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11
Q

5 reasons why biomaterials are of importance

A
  1. wrong material = premature failure
  2. wrong manipulation = premature failure
  3. design of restoration/prosthesis depends on material properties
  4. rapidly changing subject
  5. problems of dental practice
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12
Q

blood bags are?

A

biomaterials

they are in contact with human tissue

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13
Q

biological materials

A

materials which occur in the body

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14
Q

biomaterials

A

synthetic materials for use in the body

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15
Q

good biocompatibility is…

A

an appropriate host response to a material

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16
Q

what is being assessed when looking into interfacial properties of a material

A

adhesion

microleakage

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17
Q

the major source for biomaterials problems is _____

A

the bio/non bio interface

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18
Q

why must thermal properties be assessed

A

expansion/contraction

conduction of heat

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19
Q

dental biomaterials

A

synthetic materials for use in the mouth and associated lab processing materials

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20
Q

what is the biggest issue with using biomaterials?

Study These Flashcards
A

synthetic materials are placed in a living environment where they don’t belong - they are foreign
synthetic materials are being placed in contact w living tissue - interfacial problems may occur

21
Q

the general philosophy is that dental biomaterials do not belong in the mouth. therefore….

Study These Flashcards
A

all synthetic dental materials have limitations

22
Q

the lack of durability of biomaterials in comparison to human tissues emphasizes the importance of:

Study These Flashcards
A

prevention
conservative tx
longevity of restorations

23
Q

good biocompatibility is…

Study These Flashcards
A

an appropriate host response to a material

24
Q

blood bags are?

Study These Flashcards
A

biomaterials

they are in contact with human tissue

25
5 reasons why biomaterials are of importance
1. wrong material = premature failure 2. wrong manipulation = premature failure 3. design of restoration/prosthesis depends on material properties 4. rapidly changing subject 5. problems of dental practice
26
Assessing biocompatibility asks the question...
what effect will the material have on the oral environment
27
biomaterials
synthetic materials for use in the body
28
What effects can the oral cavity have on synthetic materials
chemical attack corrosion mechanical shock surface abrasion
29
assessing interfacial properties asks the question...
what is the nature of the interface between the synthetic material and the oral tissues?
30
what is the biggest issue with using biomaterials?
synthetic materials are placed in a living environment where they don't belong - they are foreign synthetic materials are being placed in contact w living tissue - interfacial problems may occur
31
synthetic materials are _______ as healthy tooth tissue
not as durable
32
bioactive materials
materials that have an actively positive effect | example: fillings that deliver fluoride
33
assessing practicability answeres the question....
what is the ease and convenience of use, and cost of effectiveness?
34
bioactive materials
materials that have an actively positive effect | example: fillings that deliver fluoride
35
dental biomaterials
synthetic materials for use in the mouth and associated lab processing materials
36
synthetic materials are _______ as healthy tooth tissue
not as durable
37
why must optical properties be assesed
aesthetic appeal | restoration should match appearance of tooth - color, translucency
38
the major source for biomaterials problems is _____
the bio/non bio interface
39
what are the six important concepts that must be analyzed when assessing the requirements of materials to be used in the oral cavity
``` BICMEP biocompatibility interfacial properties chemical properties mechanical properties esthetics practicability ```
40
the lack of durability of biomaterials in comparison to human tissues emphasizes the importance of:
prevention conservative tx longevity of restorations
41
when assessing the chemical and mechanical properties of a material, we are answering the question....
what is the effect of the oral environment on the material?
42
what must be considered when placing synthetic materials in the oral cavity? is the material...
``` irritant toxic allergenic teratogenic mutagenic carcinogenic ```
43
the current approach is to use 'minimally invasive dentistry' in order to...
prevent dental disease preserve as much tooth as possible prepare restorations with the greatest longevity
44
assessing practicability answeres the question....
what is the ease and convenience of use, and cost of effectiveness?
45
what must be considered when placing synthetic materials in the oral cavity? is the material...
``` irritant toxic allergenic teratogenic mutagenic carcinogenic ```
46
the current approach is to use 'minimally invasive dentistry' in order to...
prevent dental disease preserve as much tooth as possible prepare restorations with the greatest longevity
47
why must thermal properties be assessed
expansion/contraction | conduction of heat
48
the general philosophy is that dental biomaterials do not belong in the mouth. therefore....
all synthetic dental materials have limitations

Biomaterials Exam 1 (7 decks)

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