Dentistry Chapter 9 Space required for duplication of films and storage

Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 37

Processing Tank

Manual processing

Hand processing

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Slide 38

Processing Tank (Cont.)

Insert tanks

Two tanks to hold developer and fixer solutions

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Slide 39

Equipment Accessories

Thermometer

Placed in developer solution

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 40

Step-by-Step Procedures

Identify the solutions.

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Slide 41

Step-by-Step Procedures (Cont.)

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Slide 42

Step-by-Step Procedures (Cont.)

Immerse the films, and activate the timer.

Remove the films from the developer, and

rinse.

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 43

Step-by-Step Procedures (Cont.)

Dry the films.

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Slide 44

Care and Maintenance

Processing solutions

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Slide 45

Processing Solutions

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 46

Processing Solutions (Cont.)

Developer solution

Depleted from evaporation and removal of small

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Slide 47

Processing Solutions (Cont.)

Replenisher solution

Both developer and fixer must be replenished

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Slide 48

Processing Tank

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 49

Miscellaneous Equipment

Film hangers

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Slide 50

The Darkroom

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Slide 51

Room Requirements

Conveniently located

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 52

Location and Size

Should be near where x-ray units are installed

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Slide 53

Location and Size (Cont.)

Size is determined by:

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Slide 54

Lighting

Light-tight

No light leaks can be present

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 55

Safelighting

A lamp with a low-wattage bulb (15 watts or

less)

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Slide 56

Miscellaneous

Darkroom work space

Must include an adequate counter area where

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Slide 57

Waste Management

Developer

Unused developer may be hazardous because of

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 58

Film Duplication

Equipment requirements

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Slide 59

Equipment Requirements

Film duplicator

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Slide 60

Step-by-Step Procedures

Film duplication

Arrange the original set of processed film in

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 61

Processing Problems and Solutions

Time and temperature

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Slide 62

Time and Temperature

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Slide 63

Chemical Contamination

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 64

Film Handling

Developer cut-off

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Slide 65

Film Handling (Cont.)

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Slide 66

Lighting

Light leak

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Dental Radiography: Principles and Techniques, 5th Edition

Chapter 9 Student Handout

Slide 67

Questions?

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