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Dental Cariology > principles of cavity preparation > Flashcards

principles of cavity preparation Flashcards

1
Q

is a defect in the hard tooth structure as a result of an insult

A

cavity

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2
Q

what is a cavity?

A

is a defect in the hard tooth structure as a result of an insult

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3
Q

is the result of a specific operative procedures that have removed the defect and shaped the tooth to receive and retain the restorative material

A

cavity preparation

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4
Q

what is cavity preparation?

A

is the result of specific operative procedures that have removed the defect and shaped the tooth to receive and retain the restorative material

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5
Q

what is a restorative material?

A

is a specially fabricated material designed for use as dental restoration

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6
Q

what are dental restorations?

A

they are special material that your dentist places in or on your teeth to repair tooth decay (cavities) or defects on the tooth surfaces

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7
Q

what class of caries?

A

class 1

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8
Q

what class of caries?

A

class 1

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9
Q

what class of caries?

A

class 2

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10
Q

what class of caries?

A

class 2

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11
Q

what class of caries?

A

class 3

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12
Q

what class of caries?

A

class 4

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13
Q

what class of caries?

A

class 4

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14
Q

what class of caries?

A

class 5

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15
Q

what class of caries?

A

class 6

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16
Q

what class of caries?

A

class 6

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17
Q

How we classify cavities?

A
  1. by complexity
  2. by surfaces
18
Q

How we classify cavities by complexity?

A
  1. simple
  2. compound
  3. complex
19
Q

How we classify cavities by surfaces?

A
  1. one
  2. two surfaces
  3. three surfaces
20
Q

a tooth preparation involving only one tooth surface

A

simple cavity

21
Q

what is an example of simple cavity?

A

occlusal preparation

22
Q

a tooth preparation involving two surfaces is

A

compound tooth preparation

23
Q

what is an example of compound tooth preparation?

A

messy-occlusal (MO) preparation

24
Q

a tooth preparation involving more than two surfaces?

A

complex tooth preparation

25
Q

what is an example of complex tooth preparation?

A

mesio-occlusal-distal preparation

26
Q

how we classify cavities by surfaces?

A
  1. one surface
  2. two surfaces
  3. three surfaces
27
Q

messy-occluso-distal (MOD) cavity is an example of what?

A

three surface cavity

28
Q

messy-occlusal cavity is an example of what?

A

two surfaces cavity

29
Q

prepared cavities or restorations take the name of that surface
e.g. a cavity located on the occlusal surface is called an occlusal (O) cavity

A

one surface

30
Q

is the enclosing Side of a prepared cavity that takes the name of the adjacent surface of the tooth

A

wall

31
Q

the simple class 1 has how many walls and floors?

A

the simple class 1 has 4 vertical walls and a horizontal wall (floor)

32
Q

name the walls of the prepared class 1 occlusal cavity?

A
  1. Distal wall
  2. Buccal wall
  3. Lingual wall
  4. Medial wall
  5. Pulpal wall
33
Q

what are components of prepared cavities?

A
  1. external wall
    a. facial
    b. distal
    c. gingival
    d. lingual
  2. Internal walls:
    a. plupal
    b. axial
34
Q

formed when two walls of prepared cavity meet? and give example

A

line angle
e.g messy-pulp line angle

35
Q

a corner formed by the junction of three walls of a prepared cavity and give example

A

point angle
e.g. disto-fascio-pulpal point angle

36
Q

the line or angle formed by the junction of a cavity wall with the unprepared surface of the tooth. It encloses the entire outline of the prepared cavity

A

cavosurface (cavosurface margin)

37
Q

what is the angle of cavosurface margin?

A

the cavosurface margin should be a right angle (a butt joint) with amalgam

note: other material may require the placement of bevels

38
Q

what is the basic principles of planning operative procedures?

A
  1. conservation of tooth structure
  2. Esthetics
  3. Preservation of the pulp
  4. extension for preparation of recurrent caries
  5. other factors
39
Q

what are the other factors that u must keep in mind while planning for operative procedures?

A
  1. Age
  2. Caries activity level
  3. periodontal condition
  4. occlusion
  5. medical history
40
Q

how we make sure of esthetics while planning operative procedures?

A
  1. conservative cavity preparation
  2. the choice of restorative material
41
Q

how we preserve the pulp?

A
  1. conservative cavity preparation
  2. extent of caries
  3. the choice of the instruments and their operating characteristics during cavity preparation ( heat generation and vibration)
  4. the choice of medicaments for preparation
  5. the choice of restorative material is important, since materials differ in their effect on the pulp due to chemical composition, degree of thermal conductivity and resistance to
    marginal leakage

Dental Cariology (2 decks)

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