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LABORATORY PROCEDURES FOR PROCESSING ACRYLIC DENTURES Dr Barbara Ndagire.

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Presentation on theme: "LABORATORY PROCEDURES FOR PROCESSING ACRYLIC DENTURES Dr Barbara Ndagire."— Presentation transcript:

1 LABORATORY PROCEDURES FOR PROCESSING ACRYLIC DENTURES Dr Barbara Ndagire

2 Acrylic Dentures

3 METAL FRAME WORK REMOVABLE PARTIAL DENTURE

4 Acrylic Removable partial dentures

5 Clinical And Laboratory Processes For Making An Acrylic Partial Denture New Patient Clinical procedures History taking and patient examination Teeth selection Primary Impression taking/ Final impression Laboratory procedures Making a cast Surveying the Cast Wax up of partial denture Clinical procedures Try in of partial denture Laboratory procedures Processing of the dentures Finishing and polishing of denture Clinical procedure Denture delivery

6 Laboratory Procedures First laboratory procedures –Making a cast/model (pouring a cast) –Surveying a cast Second laboratory procedures – On the master cast Waxing up of a partial Denture Third laboratory Procedures –Denture processing –Flasking –De-flasking –Trimming, finishing, polishing

7 First laboratory procedures Making a primary cast/model from the primary impression (pouring a cast) Surveying a cast Making special trays –to be used for taking the final impressions

8 Primary Impressions, study models, special trays, denture design

9 PARTIAL DENTURE DESIGN

10 DENTURE DESIGN

11 SURVEYING A CAST/MODEL Dental surveyor Using the analyzing rod Marking survey line with a graphite marker Undercut gauge Blocking out undercuts

12 SECOND LABORATORY STAGE Pouring a master cast using the final impression Surveying of the Master/final Cast Articulate the casts## Setting up teeth

13 Final Impression using a special tray

14 Final Impressions And Master Casts

15 Articuate the casts, Wax up of teeth/ Teeth set-up

16 Third laboratory stage Flasking of the denture Processing of the dentures Trimming, finishing and polishing

17 Flasking, Processing, Finishing

18 Ready to Deliver the RPD

19 Delivery of dentures


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