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WorksheetsDent Mat_SAS13
Total questions: 15
Worksheet time: 8mins
What is the preferred method for manipulating inlay wax?
Direct flame
Steam heat
Water bath
Dry heat
What should be avoided to prevent distortion of the wax pattern during removal?
Using an explorer point
Using a spatula
Touching the pattern with fingers
Heating the wax
What is the main purpose of lubricating the die when fabricating indirect patterns?
To enhance color
To prevent wax from sticking
To improve flow
To increase hardness
What is the effect of excessive storage time on a wax pattern?
Improves detail
Increases flow
Leads to distortion
Enhances elasticity
What type of wax is used to establish the initial arch form in complete dentures?
Casting wax
Baseplate wax
Sticky wax
Utility wax
What is the composition percentage of paraffin wax in baseplate wax?
50-60%
70-80%
80-90%
40-50%
Which type of casting wax is pink and has a flow of about 10% at 35°C?
Class II
Utility wax
Class I
Class III
What is the primary use of sticky wax?
To build up vertical walls
To create impressions
To align fractured parts of acrylic dentures
To establish vertical dimension
What is boxing wax primarily used for?
To create the land area of the cast
To align fixed partial denture units
To establish the initial arch form
To record bite registration
What is the characteristic of impression wax?
It has a high melting point
It is only available in sheets
It flows at mouth temperature
It is brittle at room temperature
What is the maximum flow percentage of sticky wax at 43°C?
10%
50%
100%
90%
What happens to wax patterns when they are subjected to extreme temperature changes?
They harden completely
They may distort
They lose their color
They become more elastic
What is the purpose of bite registration wax?
To create a wax veneer
To align fractured parts
To record the relationship of upper and lower teeth
To establish vertical dimension
What type of wax is used to alter stock tray extensions?
Impression wax
Casting wax
Utility wax
Baseplate wax
What is the main characteristic of Type III wax?
Used for veneers
Medium hardness
Soft and flexible
Hard and suitable for tropical climates
