E3:Delivery Finishing Flashcards
What are the three ways to check proximal contacts?
1.unwaxed floss 2.shim stock (12 microns) 3.patient feel
HOW much internal space is needed for luting agent on a gold casting?
25-35 microns
What do we use to remove the gold sprue?
car-bor-un-dum separating disk
What bur type can you use to adjust the occlusal surface of gold crowns?
flame shaped burs
What is the last material used when polishing the gold crown?
Jewlers Rouge
What is IMPORTANT to prevent ASPIRATION/swallowing of restoration?
Throat Pack!
What is the most likely aspect of the delivered crown that would be holding up the seating of the crown?
Interproximal Contacts
What do you adjust a tight fitting gold crown with?
rubber wheel
What do you adjust a tight fitting porcelain crown with?
Cylindrical Stone
What can you use to restore polish on a porcelain crown after adjusting it?
diamond impregnatred slicicone points
What is a deficiency in a metal restoration performed by?
soldering
What happens to metal (PFM) when re-firing in the oven? How do we fix it?
it turns BLACK..can be repolished
6 ways to identify an area of binding on the internal surface of a crown: 1.Disclosing ____ 2.Suspension of _____ in turpentine or acetic acid 3.Air abraded _____ finish 4._______ sprays 5.________ detection pastes 6.______ soluable marking paste
1.wax 2.rouge 3. matte 4.Powdered 5.Elastomeric 6.Water
What is the remedy for any distortion in the metal casting?
NEW CASTING
What do you do FIRST?? Adjust occlusion or take a radiograph?
RADIOGRAPH!!! You would not want to adjust the occlusion and then find radiographically that you were not down all the way