Question 1
What is the primary purpose of the 'pre-drying' stage at the beginning of a porcelain firing cycle?
Correct Answer:
To slowly remove moisture from the wet porcelain to prevent cracking
Question 2
In dental porcelain firing, which atmospheric condition inside the kiln is recommended for most feldspathic porcelains?
Correct Answer:
Oxidizing atmosphere (vacuum released before peak temp)
Question 3
Which term describes the temperature at which a dental ceramic softens and begins to flow during firing?
Correct Answer:
Fusion temperature
Question 4
Why must zirconia restorations be fired on a dedicated zirconia tray or firing pin setup?
Correct Answer:
Zirconia must not contact metal trays to prevent contamination and discoloration
Question 5
After a porcelain firing cycle, the restoration should be allowed to cool:
Correct Answer:
Slowly at room temperature away from drafts and cold surfaces
Question 1
Exam overview

About this Exam

Prepare with the CDC Certified Dental Ceramist (NBC CDT Ceramics Specialty) practice quiz. This question bank includes 80 questions covering dental, ceramist, porcelain, procedures, and firing. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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CDC Certified Dental Ceramist (NBC CDT Ceramics Specialty)

This practice set contains 80 questions from the matching question bank and focuses on dental, ceramist, porcelain, procedures, and firing. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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