exam 3 dental materials

what is the premier infection-control education organization in dentistry?

CDC

what are infection-control procedures in dentistry based on?

Guidelines for infection control in dental healthcare settings issued by the CDC

what OSHA standards relate to dentistry?

Blood-borne Pathogens Standard and the Hazard Communication Standard

what is the responsibility of the Environmental Protection Agency (EPA)?

reviewing manufacturers’ antimicrobial claims to ensure they are supported by scientific evidence

Who is responsible for ensuring the safety of employees in dentistry?

OSHA

what is true regarding the role of the CDC in infection control?

The CDC issues specific recommendations on health-related matters, based on sound scientific evidence

who must receive training in infection-control and safety issues according to the BBP Standard?

All personnel who might come in contact with blood, saliva, or contaminated instruments or surfaces

what does the Hazard Communication Standard require employers to inform their employees about?

the identity and hazards of chemicals used in the workplace

how often is training regarding the dental office hazard communication program required for continuing employees?

Every year

what is the purpose of the globally harmonized system of classification and labeling of chemicals (GHS)?

uniformity in classifying and labeling of chemicals regardless of where it is manufactured or used

what is a hazardous chemical?

a chemical that can cause a physical or health hazard

what should an assistant do if a small mercury spill occurs in the dental office?

get the mercury spill kit, a mask, and utility gloves

what is required for eyewash units according to OSHA regulations?

they must be installed in every workplace where chemicals are used

when are wastes classified as hazardous?

if they are ignitable

what must all waste containers that hold potentially infectious materials have?

be labeled with the biohazard symbol

what is not a requirement for a sharps container accordion to OSHA?

labeled with the dental practice name

what does the color yellow indicate in the National Fire Protection Association (NFPA) labeling system?

reactivity

what section of an SDS describes proper methods of containment and cleanup?

Sectio 6 - accidental release measures

what can microbial counts in new dental unit waterlines (DUWLs) reach within 5 days of installation?

200,000 CFUs/mL

what is an advantage of self-contained water reservoirs?

dental personnel can select the quality of water used

when should disposable inline micro filtration cartridges be changed?

according to the manufacturer’s recommendations

what can cause back flow form low-volume saliva ejectors?

when a patient closes his or her lips around the tip of a sliver ejector

what are planktonic bacteria?

free floating in the water

what can biofilm contain?

many types of bacteria, fungi, algae, and protozoa

what factors contribute to the formation bacteria in DUWLs?

stagnant water

What are the advantages of using self-contained water reservoirs?

they increase biofilm in waterlines, sterilize dental unit parts, control water quality, and eliminate biofilm and bacteria

what is the purpose of flushing dental unit waterlines for 2 minutes at the start of the day?

to reduce the microbial count of bacteria in the dental unit waterlines

what is the goal of ergonomics?

to help people stay healthy while performing their work more effectively

which factors contribute to musculoskeletal disorders (MSDs)?

posture, repetition, twisting, and force

what is the ideal working position for a dental assistant?

a neutral position sitting upright with body weight evenly distributed

what can frequent reaching and twisting cause?

sprains, strains, stress, and shoulder problems

what increases the risk for cumulative trauma disorders (CTDs)?

repetitive motion, over flexion, and overextension of the wrist

how can a dental assistant relieve stress on the back, neck, and shoulders?

by periodically getting up and walking around

how can a dental assistant prevent eyestrain?

by looking up frequently and focusing on a point in the distance for about 20 seconds

what does the full back release involve?

dropping the head down slowly while allowing the arms and head to fall between the knees

where should frequently used items be position during procedures?

within a comfortable distance, not above the shoulders

how often should stretching be done during the day?

throughout the day

what are ergonomic chair side suggestions?

avoid prolonged, awkward positions

wha tis the role of OSHA?

to issue specific standards to protect the health of employees in the United States

why do latex gloves not provide adequate pronation when handling chemicals?

the latex in the gloves degrades when exposed to chemical disinfectants

what must a new container be labeled with when transferring a chemical?

an official Lebel obtained form the manufacturer of the chemical product

how often do eyewash stations need to be inspected according to OSHA?

weekly

what methods reduce bacterial contamination in waterlines?

chemical treatment regiments, self-contained water reservoirs, and micro filtration

how should DUWLs be flushed to reduce microbial count?

at the beginning of the day for 2 minutes and for 20 to 30 seconds between patients

what can municipal waterlines contain that is harmful to patients?

bacterial cells

what should be checked when choosing a chemical agent for dental unit waterlines?

the manufacturer’s recommended chemical product and protocol for maintenance

when do OSHA inspections occur?

when an employee or patient complaint is made

what must the written program portion of the Hazard communication program identify?

all the employers in the office who are exposed to hazardous chemicals

what is an example of pathologic waste that requires special disposal?

human soft tissue

how should lead foil form the radiographic film package be recycled?

in a designated, separate container