CCE Ceramic Application & Contouring 3

Question 1

A ceramist is building a lower molar crown and must recreate the Curve of Spee in the ceramic occlusal surface. Which anatomical feature guides this determination?

Accepted Answer

The anteroposterior curvature of the mandibular arch from canine to second molar

Answer

The Curve of Spee follows the anteroposterior arc of mandibular posterior teeth; the ceramist references opposing and adjacent teeth to match this curvature in the restoration.

Question 2

When applying dentin ceramic, the appropriate liquid-to-powder ratio for optimal brushability and minimal air incorporation is best described as:

Accepted Answer

Firm paste that holds its shape but flows slightly when vibrated

Answer

Dentin ceramic mixed to a firm, slightly moist paste can be shaped with a brush and condensed by vibration to eliminate air voids without slumping.

Question 3

What technique is used to prevent ceramic slumping on steep axial walls during the build-up phase?

Accepted Answer

Use a thicker mix and apply in horizontal increments, allowing partial setting between layers

Answer

Applying thicker-consistency ceramic in horizontal increments and blotting excess moisture between additions allows each layer to support the next without slumping.

Question 4

Which staining technique adds surface characterization to a ceramic restoration after initial glaze firing?

Accepted Answer

External surface staining fired at low temperature after glaze

Answer

External stains are low-fusing colorants applied over the glaze surface and fired at reduced temperature to add surface characterization like hypocalcification spots or incisal effects.

Question 5

When matching the contour of a ceramic crown to its natural adjacent teeth, the ceramist should evaluate the restoration from which viewing perspective first?

Accepted Answer

Facial view at eye level to assess height, width, and emergence profile

Answer

The facial/labial view at eye level reveals overall proportions, smile line position, and contour symmetry, making it the primary initial assessment perspective.

(CCE) Certified Ceramist Practice Test

(CCE) Certified Ceramist Practice Test

CCE Ceramic Application & Contouring 3