waxing-up of complete dentures

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UP OF - WAXING 

 COMPLETE DENTURES 

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 Definition:

• Waxing-up: is the process of 

waxing and carving of the wax tothe shape and contour of a trial

denture into the desired form.

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 Importance

•

The form of the polished surfaces and theproper location of the artificial teeth  play

 a major role in

• Stability of the dentures

• Influences its retentive quality.

• Influences the aesthetic of the denture.

• Support the cheeks, lips and tongue

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Criteria for waxing up

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Upper denture:

• 1-The wax periphery

 must be 

 – 

extended to themaximum depth.

 – Fully rounded

 – Highly polished.

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• 2-The labial waxing may be thickened

in order to restore lost facial contour.

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3-The buccal surface

should face downwards

and outwards .

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• 4- Festooning

and cusped

eminence shouldbe provided.

• Gingival crests

should betrimmed exactly

to the finished

line. No deepgrooves should

be done.

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Normal gingival contour in

young

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Gingival contour raised cervically in

middle aged

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Gingival recession in elderly

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 Anatomicwax contour

Improper waxcontour

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• 5- Stippling of the

facial surface.• 6-The palatal

surface will face

inwards anddownwards.

• The palate shouldhave an eventhickness of 2.5 mm

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 Lower denture

•1) The labialsurface

concave.

• The peripheries –  Fully rounded

 – Highly

polished.

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• 2) In  the premolar region the buccal

surface flat andthin .

• In the molar region 

 – The waxthickened and

widened – Face outwards

and upwards. 

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• 3) The lingual surface must face inwards

and upwards (concave). The concavity

does not extend under the teeth (in the

middle of the flange) so that the tongue

does not raise the denture.

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The lingual flange should not be

 bulky

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-Technique of waxing

up the denture

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TECHNIQUE

1- Spot- lute the base plate to the cast.2- Bulk waxing 

 3- Gingival trimming 

 4- Contouring (Festooning 

 5- Shaping the trial denture flange 

6- Palatal contouring 

7- Stippling 

8- Polishing the wax surfaces  9- A check of occlusion 

10- Tooth cleaning