Acrylic Resin Denture Base

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Steps of Complete Denture Construction:

Steps of Complete Denture Construction

Slide 2:

Primary impressions in stock trays Pouring primary impressions to get primary casts Construction of special trays Secondary impressions using special trays Pouring secondary impressions to get master casts

Slide 3:

Upper and lower occlusion blocks constructed on master casts for recording the maxillary-mandibular relationship (Bite registration)

Slide 4:

Each occlusion block consists of: 1. Wax rim 2. Trial denture base

Slide 5:

The occlusion blocks are placed in the patient’s mouth for bite registration

Slide 6:

The recorded bite (the assembled occlusion blocks) is then removed from the patient’s mouth then mounted on an articulator

Slide 7:

Setting up of the artificial teeth

Slide 8:

Try-in Evaluating the waxed denture in the patient’s mouth after setting up of the teeth and before denture processing

Slide 9:

Denture processing: the dentures are processed inside flasks Flask compress

Slide 10:

Each flask consists of : Upper half Lower half cover

Slide 11:

The waxed denture on the master cast after try-in First, the waxed denture with the master cast are fixed to the lower half of the flask using gypsum

Slide 12:

A separating medium is then used to cover only the gypsum and the wax. Avoid applying any separating medium on the teeth

Slide 13:

The upper half of the flask is then assembled with the lower half and filled with gypsum then the cover is used to close the flask Upper half Lower half Cover

Slide 14:

The flasks are then opened. The molten wax and the trial denture bases are removed. The lower surfaces of the teeth can now be seen The flasks are then heated to melt the wax

Slide 15:

A separating medium is then applied to the gypsum surfaces. Avoid applying any separating medium to the lower surfaces of the teeth

Slide 16:

Apply the acrylic resin dough in the flasks. Close and compress the flasks then cure

Slide 18:

The finished denture

Slide 20:

The pour type resin

Thank you:

Thank you