DANB CDA Dental Instruments and Equipment Flashcards

What does a dental unit waterline (DUWL) require to ensure patient safety?

Answer: Regular flushing, chemical treatment, and water quality testing

DUWL safety requires daily flushing at start/end of day, periodic chemical treatment with approved solutions, and regular microbial testing to meet CDC water quality standards.

Which instrument is used to place a rubber dam by stretching it over the clamp and through the punched holes?

Answer: Dental dam forceps

Dental dam forceps (retainer forceps) are used to carry the clamp to the mouth and place it on the anchor tooth, and also to remove it after the procedure.

What does the OSHA Bloodborne Pathogens Standard require regarding contaminated sharps?

Answer: Dispose of sharps in puncture-resistant containers immediately

OSHA requires contaminated sharps to be discarded immediately or as soon as feasible in closable, puncture-resistant, leak-proof sharps containers.

What is the purpose of a bite registration material in dentistry?

Answer: To record the occlusal relationship between maxillary and mandibular teeth

Bite registration materials (such as polyvinyl siloxane or zinc oxide eugenol paste) record the exact centric occlusion relationship between the arches for use in the laboratory.

What is the HVE (high-volume evacuator) used for during dental procedures?

Answer: To remove large volumes of fluids, aerosols, and debris from the oral cavity

The HVE removes blood, saliva, water, and aerosols from the oral cavity at high flow rates, improving visibility and reducing aerosol contamination in the operatory.

Which instrument is used to measure the depth of the gingival sulcus or periodontal pocket?

Answer: Periodontal probe

A periodontal probe has millimeter markings on its blunt tip and is inserted into the sulcus to measure pocket depth, attachment level, and bleeding on probing.