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Fabrication Of New Full Or Partial Denture And CT Scanning Appliance

Fabrication Of New Full Or Partial Denture And
CT Scanning Appliance

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1. CLINICIAN
Make impressions of the maxillary and mandibular arches.

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2. LABORATORY
Pour the maxillary and mandibular impressions in die stone. Fabricate baseplate(s) and wax occlusal rim(s) on the cast(s).

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3. CLINICIAN
Place the wax occlusal rim(s) in the mouth, contour appropriately and make the bite records.


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4. LABORATORY
Articulate the maxillary and mandibular casts using the bite records. Set denture teeth on the baseplate(s) and wax for try in.

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5. CLINICIAN
Place the wax try in(s) in the mouth. Verify the occlusion, aesthetics and phonetics. Make any adjustments necessary. If major adjustments are necessary, make a new interocclusal record and return to the laboratory for a new set up and wax try in. 

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6. LABORATORY
Wax the denture for the arch in which implants will be placed for processing and flask it. Separate the flask and boil away the wax. Process, finish and polish the denture. Using a denture duplication flask, mix duplication material and place it into one side of the flask. Place the patient’s existing denture into the material with the tissue side down. Allow the duplication material to set per the manufacturer’s instructions. Apply a separator to the surface. Mix duplication material and place it into the other side of the flask and close the flask over the denture. Allow the duplication material to set. Separate the flask and remove the denture.

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7. Create a mix of 30% barium sulfate and cold cure tooth shade acrylic resin. Pour the mixture into the tooth areas only. Allow the acrylic to set per the manufacturer’s instructions. Create a mix of 10% barium sulfate and cold cure tooth shade acrylic resin. Pour the mixture into the flask. Close the flask tightly. Allow the acrylic to set.

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8. Remove the CT scanning appliance from the flask, finish and polish. Place the appliance on the cast. Place the cast on the articulator and make an interocclusal record. Return the scanning appliance to the clinician for the CT scan and set aside the occlusal registration for later use.