What is the first link in the chain of infection
Infectious agent
The purpose of the lead foil in the dental film packet is to
Reduce film fog and prevent back scattered radiation
bacteria that must have oxygen to grow and live are considered?
The term ____________ is used to describe areas that appear dark on the image; ___________ is the term used to describe areas that appear white or light gray.
radiolucent; radiopaque
To restrict the size and shape of the xray beam thus reducing the amount of radiation the patient will receive
What type of immunity occurs when a person receives a vaccination for a disease?
Active artificial immunity
What is the correct order of steps in manual film processing
Develop, rinse, fix, wash, dry
The MOST effective mouth rinse to use prior to a dental appointment is what?
Chlorhexidine
Quality control for the darkroom should include checking for light leaks every:
6 mos
Identify the landmark
Hamulus
A(n) _____________ injury is through the skin, such as a needle stick.
Percutaneous
A radiograph that has an overall gray appearance is generally preferred. This radiograph is said to have low density or low contrast?
Low contrast
For sterilization to occur using an immersion disinfectant, items must be immersed for a minimum of _____ hours.
6
The dentist says that the image has too much contrast; she would like to see more gray values. What adjustment would you make?
Increase kvP
The type of sterilization used in the dental office that requires the highest temperature is
dry heat sterilization
Which type of PPE is used to prevent the inhalation of droplets and/or spatter?
Mask
Fixer cutoff will result in a _____ border
Straight black
How often should face mask be changed?
Between patients
What is the heart of the x-ray generating system?
X-ray tube
Using the mount above identify the teeth #s that belong in box #12 and name the type of intraoral imaging that would be placed there.
#28-29: Periapical
What is the correct sequence of the instrument processing steps?
What is Holding, precleaning, corrosion control, packaging, sterilization, monitoring, handling
Anterior teeth that appear fat are caused by what type of panoramic error
Teeth positioned too far back on bite block
Which regulatory agency is responsible for the safety and effectiveness of sterilization equipment in the dental office?
The FDA
Identify the landmark
Coronoid process
How often should the ultrasonic cleaner be cleaned and disinfected
at least once a day, or more often if it becomes visibly cloudy