infection control
touching or contact with the patient's blood or saliva
what is direct contact
Ideal time frame for pouring up an alginate impression
what is one hour
What type of reaction does gypsum produce in its setting process
what is exothermic
Form provided by manufacturer provides information regarding the hazards of materials and products that contain chemicals
What is Safety Data Sheets SDS
Recently revised OSHA standard regarding employees' right to know about hazardous chemicals in the workplace
Hazard Communication Standard
Conditions that all must be present for infection to occur
When powder and water are mixed, also affected by water temperature
what is working time
Weakest of all Gypsum products
what is plaster
A filling that is on a posterior tooth that involves the interproximal region
what is Class II
Staff training is required (1) when a new employee is hired, (2) when a new chemical product is added to the office, and (3) once a year for all continuing employees.
Hazard Communication Program
Waste that poses a danger to humans or the environment
what is hazardous waste
Absorption of water causing an object to swell
Imbibition
Strength of gypsum is related to ?
what is the amount of water used
This type of force pulls and stretches a material
what is tensile stress
What is a disadvantage of AGAR
what is high cost
Guidelines designed to protect employees against occupational exposure to blood-borne pathogens
OSHA blood borne pathogens (BPP) standard
Change in temperature that causes a reversible hydrocolloid material to transform from one state to another
Hysteresis
When trimming a model what are the characteristics that vary in the anterior portion of the model
Maxillary- pointed
Mandibular- Rounded
Is taken to see how the maxillary and mandibular teeth fit together in the patients mouth
What is a bite registration
Weekly monitoring of sterilization recommended by CDC, ADA, OSAP
what is biological monitoring or spore testing
Waste that is capable of transmitting an infectious disease
what is Infectious waste
Loss of water causing something to shrink?
What is Syneresis
Ideal for making full or partial denture models and orthodontic models or casts requiring higher strength
Dental Stone. type III
Destroys all microbial forms, including bacterial spores
PVS impression materials are generally classified as
what is light body or heavy body