What is the first step to be taken after a sterilization failure is detected through spore testing?
What is the minimum distance an operatpr should stand during x-ray exposure?
6ft.
What are 2 basic types of dental instrument cleaning systems that have been cleared by the FDA
Instrument washers and ultrasonic cleaners
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
Sterilizing unpackaged instruments using the short exposure times is referred to as
Flash sterilization
“Autoclave” tape is used for which type of sterilization monitoring?
What is chemical monitoring
Excessive vertical angulation causes
foreshortened tooth structure
A needlestick injury could transmit disease. This type of disease transmission is called
Paraenteral
To correct cone cuts the operator must
Identify the landmark
Hamulus
What is the most common liquid sterilant?
glutaraldehyde
A radiograph that has an overall gray appearance is generally preferred. This radiograph is said to have low density or low contrast?
Low contrast
When putting on your protective equipment, which barrier should be put on last just before patient care begins?
What are gloves
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
What should be done if you drop a contaminated anesthetic needle on the floor during patient treatment at chairside?
Use tongs or cotton pliers to pick it up and place it in the sharps container.
Annually
What is the purpose of the collimator?
To restrict the size and shape of the xray beam thus reducing the amount of radiation the patient will receive
Dental instruments that are used in the mouth but do not penetrate tissue or one are
Semicritical instruments
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
Which form of sterilization requires the highest temperatures and what are the 2 types?
Dry heat sterilization: Forced and Static
Anterior teeth that appear fat are caused by what type of panoramic error
Teeth positioned too far back on bite block
When should alcohol based hand-rubs be used?
To kill microbes when no visible soil is present
Identify the landmark
Coronoid process
Most of the regulated medical waste in dental office consists of
contaminated sharps and extracted teeth.