CDC Quality Control & Industry Standards 3

Question 1

What is the primary purpose of a Certificate of Conformance (CoC) accompanying dental materials from a supplier?

Accepted Answer

To document that the supplied lot meets specified quality requirements

Answer

A Certificate of Conformance declares that a specific lot of material meets all agreed-upon quality and specification requirements.

Question 2

In dental ceramics manufacturing quality control, 'firing curve validation' ensures that:

Accepted Answer

Time-temperature profiles produce ceramics with target physical properties

Answer

Firing curve validation confirms that the specific time-temperature profile used will consistently produce ceramic with the desired strength, translucency, and fit.

Question 3

Which standard provides the framework for quality management systems in medical device manufacturing that a dental ceramic producer might follow?

Accepted Answer

ISO 13485

Answer

ISO 13485 specifies quality management system requirements specific to medical devices, making it the applicable standard for dental ceramic manufacturers.

Question 4

A dental laboratory notices a pattern of porcelain chipping on posterior PFM restorations from a specific technician. The FIRST quality control step should be:

Accepted Answer

Conduct a failure analysis to identify the specific cause of chipping

Answer

Failure analysis must precede corrective action to determine whether the cause is technique, material, design, or another factor.

Question 5

Color measurement using a spectrophotometer in a dental laboratory quality program provides which advantage over visual shade matching?

Accepted Answer

Objective, repeatable numerical color data independent of observer variability

Answer

Spectrophotometric measurement produces objective numerical L*a*b* values that are reproducible regardless of lighting conditions or observer differences.

(CDC) Certified Dental Ceramist Practice Test

(CDC) Certified Dental Ceramist Practice Test

CDC Quality Control & Industry Standards 3