DENT 1200 DENT 1200 Dental Dental

Materials Materials Lesson 8 WAXESLesson 8 WAXES

1. Ingredients, Form, Use, 1. Ingredients, Form, Use, MeltingMelting

• Processing waxes- Boxing, Utility, Sticky

• Pattern waxes- Inlay/Casting, Baseplate

• Impression waxes- Bite registration, Study

1. Boxing Wax1. Boxing Wax• Replaces patty

base pour technique. Boxing wax goes around impression and then is filled with gypsum. No heat needed.

• Petroleum hydrocarbon & natural resin

Red sheets 1 ½ in wide

Utility WaxUtility WaxAdapt impression trays, cover rough ortho brackets, red or white ropes, petroleum hydrocarbon and paraffin, No heat.

Ortho= WHITE

Sticky WaxSticky Wax

Hold items (acrylic) together to make repairs, heat in flame, ORANGE sticks, natural wax & resin

Inlay Casting WaxInlay Casting WaxBlue or green sticks, heat over open flame, petroleum hydrocarbons, natural resin and wax. ALL INDIRECT RESTorations, makes the pattern of a crown then the wax is replaced with metal

2. Properties of inlay wax2. Properties of inlay wax• Type A, B or C

Hardness• Melt and leave no

residue

3. Result of Distortion3. Result of Distortion• If the wax pattern distorts- the

restoration WILL NOT FIT!

Baseplate WaxBaseplate Wax

Petroleum hydrocarbons and natural wax, PINK SHEETS. Replaces length and width of teeth in denture or partial for try in. Melts with flame or HOT water.

Occlusal Rims in Baseplate Occlusal Rims in Baseplate waxwax

Bite Registration WaxBite Registration Wax

Aluwax, paraffin and beeswax, bite registration, no heat or warm water

Study Wax Study Wax • Beeswax, White blocks of wax used

in educational settings to carve teeth.

VOCABVOCAB• Amorphous- no definite melt/boil

point, solid but no definite shape• Organic- derived from plant or

animal• Occlusal rims- wax that takes place

of width and ht of teeth• Wax pattern- crown made in wax,

melt, replace metal

VocabVocab• Bite registration- record of occlusion• Bite wafer- shaped in U• Occlusal indicator wax- thin piece