Specialty Waxes

Question 1

• Used to establish the initial arch form in the construction of complete dentures.
• Supplied in 1-2mm thick red or pink sheets, the wax is approximately 75% paraffin or serecin with additions of beeswax and other resins are waxes.

Answer 1

Baseplate wax

Question 2

True or false.

The harder the wax the lesser the flow at the given temperature.

Answer 2

True

Question 3

A soft wax is used for building veneers.

Answer 3

Type I

Question 4

A medium wax, that is designed for partner patterns to be placed in the mouth in normal climatic condition.

Answer 4

Type 2

Question 5

A hard wax, that is used for trial fitting in the mouth and tropical climates.

Answer 5

Type III

Question 6

True or false.

The uses of base plate wack is to:
- establish vertical dimension plane of occlusion and initial arch form in the technique for the competenture restoration.
- to form all or a portion of tray itself.
- use to produce desire contour of the denture after teeth are set in position.

Answer 6

True

Question 7

Also referred to as bite waxes or corrective waxes they tend to distort if they are withdrawn from undercut areas.

Answer 7

Impression waxes

Question 8

They are limited to use in and then to lose sites of the mouth or in occlusive surface areas.

Answer 8

Impression waxes

Question 9

They are relatively soft at mouth temperature they have sufficient body to reduce the detail of soft tissues and they are rigid at room temperature.

Answer 9

Corrective wax

Question 10

Impression waxes is referred to as?

Answer 10

Corrective wax and bite registration wax

Question 11

Wax and combination with resins of low melting point can be used in corrective impression technique in partial and complete danger prosthesis.

Answer 11

Corrective wax

Question 12

Availability: sheets or cakes

Answer 12

Corrective wax

Question 13

Availability: sheets or cakes

Answer 13

Corrective wax

Question 14

True or false.

The uses of corrective wax is it is a wax veneer over an original impression to contact and register the details of the soft tissue.

Answer 14

True

Question 15

It is used to record the relationship of the upper and lower teeth and dentulous patients.

Answer 15

Bite registration wax

Question 16

Wax is often under hot running water.

Answer 16

Bite registration wax

Question 17

Full arch, quadrant or just a few teeth can be taken

Answer 17

Bite registration wax

Question 18

An orange colored stick wax, which is taki when melted but firm and brittle when cooled.

Answer 18

Sticky wax

Question 19

Are used to temporarily fasten gypsum model components join and temporarily stabilize the components of a bridge before soldering or attached pieces of a broken denture prior to a repair.

Answer 19

Sticky wax

Question 20

Are used to temporarily fasten gypsum model components join and temporarily stabilize the components of a bridge before soldering or attached pieces of a broken denture prior to a repair.

Answer 20

Sticky wax

Question 21

• it is a type of processing wax.
• if a movement occurs the wax tends to fracture than distort.
• at room temperature the wax is firm free from tackiness and brittle.
• it is the given melted with the max 5% flow at 30° c and 90% at 43° c and adheres closely to the surface when applied to it.

Answer 21

Sticky wax

Question 22

• It is used to align fractured parts of acrylic dentures.
• It is used to align fixed partial denture units before soldering.

Answer 22

Sticky wax

Question 23

Typically provided in pink colored flat sheets this wax is relatively soft and pliable and can easily be pressed to the desired contour around the perimeter of an impression and self sealed at the overlapped area with firm pressure.

Answer 23

Boxing wax

Question 24

• It is a type of a processing wax
• supplied as: boxing wax as sheets and beading wax as trips

Answer 24

Boxing and beading boxes

Question 25

Is adapted around the impression borders to create the land area of the cast.

Answer 25

Beading wax for this is the use of a beading wax

Question 26

Is used to build up vertical walls around the impression in order to pour the gypsum product to make a cast base.

Answer 26

Boxing wax or the use of boxing wax

Question 27

Are used for demonstration purposes. Such waxes contains synthetic and polymeric materials with additives such as fillers and coloring agents.

Answer 27

Carving wax and presentation wax

Question 28

The pattern for the metallic framework of removable partial dentures and other similar structure is fabricated from casting waxes.

Answer 28

Casting wax

Question 29

These waxes are available in the form of sheets, usually of 28 and 30 gauge (0.40 and 0.32mm) thickness, ready made shape, and in bulk.

Answer 29

Casting wax

Question 30

What are the classifications according to FDI specification No. 140 in casting wax?

Answer 30

Class I
Class II
Class III

Question 31

28 gauge, pink, flow of about 10% at 35° c, easily adaptable at 40 to 45° c.

Answer 31

Class I

Question 32

30 gauge, green, minimum flow of 60% at 38° c, adapts well to the surface, not brittle on cooling.

Answer 32

Class II

Question 33

Ready made shapes, blue

Answer 33

Class III

Question 34

• Will burn out at 500° c leaving no carbon residue.
• Used to produce the metallic component of partial denture on the cast.

Answer 34

Casting wax

Question 35

• Is a type of a processing wax
• it can be used to alter the stock tray extensions

Answer 35

Utility wax

Question 36

What are the compositions of baseplate wax?

Answer 36

Composition:
- paraffin wax (70-80%)
- beeswax (12%)
- carnaubawax (2.5%)
- resins (3%)
- synthetic waxes (2.5%)

Question 37

What are the compositions of baseplate wax?

Answer 37

Composition:
- paraffin wax (70-80%)
- beeswax (12%)
- carnauba wax (2.5%)
- resins (3%)
- synthetic waxes (2.5%)