Quality Control & Industry Standards Flashcards
7 cards from real CDC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quality Control & Industry Standards flashcards as text
When a dental laboratory receives a customer complaint about a fractured all-ceramic crown, which document is MOST important to retrieve first for investigation?
Answer: The work order and production records for that specific restoration
The work order and production records contain material lot numbers, firing logs, and technician notes essential for tracing the cause of the failure.
The ADA Seal of Acceptance for dental materials primarily indicates that:
Answer: Safety and efficacy claims have been evaluated and substantiated by ADA
The ADA Seal of Acceptance indicates the ADA has evaluated evidence supporting the manufacturer's safety and efficacy claims for that specific material.
What is the purpose of a 'control chart' in dental laboratory quality control?
Answer: To monitor process variation over time and detect shifts from acceptable limits
Control charts display process measurements over time, allowing detection of trends, shifts, or outliers that signal the process may be moving out of control.
Under OSHA's Hazard Communication Standard (HazCom), dental laboratory technicians must have access to Safety Data Sheets (SDS) for ceramic materials because:
Answer: They provide essential health, safety, and handling information for chemical hazards
SDS documents provide critical information about chemical hazards, safe handling, PPE requirements, and emergency response for materials used in dental laboratories.
Which firing parameter, if inconsistently controlled, most directly affects the surface texture and gloss of a final ceramic restoration?
Answer: Final glaze firing temperature and dwell time
The glaze firing temperature and dwell time directly control the degree of surface melting and flow that determines final surface texture and light reflection.
A dental laboratory implementing ISO 13485 must conduct internal audits at planned intervals primarily to:
Answer: Determine whether the quality management system conforms to requirements and is effectively implemented
Internal audits verify that quality management system processes conform to planned arrangements and are effectively implemented and maintained.
What does 'design validation' mean in the context of developing a new dental ceramic restoration protocol?
Answer: Testing that the final restoration meets user needs and intended use requirements under actual or simulated conditions
Design validation confirms through testing under real or simulated clinical conditions that the finished restoration fulfills the intended clinical use requirements.