LABORATORY PROCEDURES FOR PROCESSING ACRYLIC DENTURES Dr Barbara Ndagire

Acrylic Dentures

METAL FRAME WORK REMOVABLE PARTIAL DENTURE

Acrylic Removable partial dentures

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

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

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

Primary Impressions, study models, special trays, denture design

PARTIAL DENTURE DESIGN

DENTURE DESIGN

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

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

Final Impression using a special tray

Final Impressions And Master Casts

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

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

Flasking, Processing, Finishing

Ready to Deliver the RPD

Delivery of dentures