CCE Finishing & Surface Characterization Flashcards
6 cards from real CCE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 CCE Finishing & Surface Characterization flashcards as text
External staining of a ceramic restoration is best performed:
Answer: On the fully glazed and fired surface using low-fusing stains fired at the stain firing temperature
External stains are low-fusing ceramic colorants applied to the glazed surface and fired at a stain/glaze firing temperature to permanently incorporate characterizations.
Which staining technique produces the most durable long-term characterization in ceramic restorations?
Answer: Internal layering of stains within the ceramic body during buildup
Internal characterization stains fired within the ceramic layers are encapsulated and protected by overlying ceramic, making them far more durable than external surface stains.
The ceramist applies a white opaque internal stain to simulate a hypocalcification spot. This stain should be placed:
Answer: Within the enamel ceramic layer at the appropriate depth
Hypocalcification simulation stains must be placed within the enamel ceramic layer at the correct depth so that overlying translucent ceramic creates the appearance of depth and authenticity.
Which surface characteristic of a ceramic restoration most directly increases the risk of opposing tooth wear?
Answer: High surface roughness (Ra > 0.2 µm) from incomplete polishing
A rough ceramic surface (Ra > 0.2 µm) acts as an abrasive against opposing enamel, accelerating wear; properly polished or glazed ceramics minimize this risk.
When adding brown check lines (craze lines) to simulate aged enamel on a ceramic restoration, the ceramist typically uses:
Answer: Dark brown external stain applied freehand before the stain firing
Brown or gray check lines are simulated using fine-tipped external stain application of brown ceramic stains before the final stain/glaze firing cycle.
A ceramist observes that orange-peel surface texture appears after glaze firing. What is the most likely cause?
Answer: The glaze was fired at too low a temperature, leaving the surface partially fused
An orange-peel texture after glazing typically results from underfiring, where the glaze material did not fully flow and fuse to a smooth, continuous surface.