gypsum products, alginate, microblasting materials, and pumice may generate _________ during the grinding and polishing process
PPE is worn to protect from what 5 material hazards in the dental office?
- particulate matter
- toxic effects of chemicals
- airborne contaminants
- biological contaminants
Dental personnel can be protected from the occupational transmission of infectious diseases through strict adherence to the requirements of what?
Occupational Safety and Health Administration (OSHA)
What are 4 ways that chemicals enter the body?
- absorption through the skin
- ingestion (eating or drinking)
- invasion directly through a break in the skin
The toxicity of a chemical depends on what 3 things?
- frequency of exposure
Whose responsibility is it to inform public of product hazards?
chemical manufacturers through MSDS sheets
What kind of toxicity results from high levels of exposure over a short period of time?
the affects of ________ toxicity are felt right away
symptoms of what type of toxicity include dizziness, fainting (syncope), headache, nausea, and vomiting
acute overexposure to chemicals
What kind of toxicity results from repeated exposures usually to lower doses, over a much longer time such as months or years?
The effects of what kind of toxicity can include cancer, neurologic deficits, and infertility?
What type of gloves are recommended for wearing during chemical handling?
chemical-resistant gloves such as nitrile gloves
How do you know what type of protective clothing to wear when using chemicals?
the type of chemical guides the clothing selection
What 2 things should the face mask be to protect from inhalation while working with chemicals?
- fluid repelling
- respiratory protection
If the job requires frequent pouring or mixing of chemicals, sensitive or allergic individuals might need a what?
national institute of occupational safety and health (NIOSH) approved dust and mist respirator face mask
What 3 things should a spill kit for small amounts of mercury contain?
- mercury-absorbin powder
- mercury sponges
- disposable bag
It is so important to keep _________ away from fire
What are three acids that are commonly used during manipulation of various dental materials?
What do you do if you spill phosphoric, hydrofluoric, or hydrochloric acid somewhere on yourself?
flush with water immediately
OSHA requires that an eyewash unit be installed where?
in every place of employment where chemicals are used
How often is it recommended that eye wasy stations are inspected?
every 3 months
How long should you flush your eyes if you spilled an acid in them?
at least 5 minutes
Dental offices should be equipped with special exhause systems for fumes and dust in what two places?
lab and radiographic areas
What are 3 requirements of where chemicals should be stored?
- dark location (not exposed to direct sunlight)
OSHA hazard communication standard states that employees have the right and need to know about the ________ and the _________ of chemicals used in the workplace
is considered hazardous if it has any of what 5 characteristics?
- Listed by the U.S environmental protection administration (EPA)
What are the 5 parts of the hazard communication program?
- written program
- chemical inventory
- material safety data sheets MSDS sheets
- labeling of chemical containers
- employee training
What are the 4 components of the written programs of the hazard communication program?
- name of employees exposed to hazardous chemicals
- describe how chemicals handled
- safety measures taken
- how one should respond to chemical emergencies
The chemical inventory is a _________ list of every product used in the office that contains chemicals including what 4 materials?
- bonding agents
- impression materials
What do you do if there is a new chemical added to the inventory?
add it to the list and to the MSDS in the MSDS file
What are 2 types of information that MSDS sheets contain?
- health and safety
What are 6 things that MSDS sheets describe about a chemical?
- physical and chemical properties
- health hazards
- routes and exposures
- precautions for safe handling
- emergency and first aid procedures
- spill control measures
Section I of MSDS
Section II of MSDS
Section III of MSDS
physical hazard data
SEction IV of MSDS
fire and explosion data
Section V of MSDS
health and hazard info
SEction VI of MSDS
Section VII of MSDS
spill or leak procedures
Section VIII of MSDS
special protection info
Section IX of MSDS