waxing-up of complete dentures
TRANSCRIPT
8/4/2019 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