What is the most common form of sterilization?
the steam autoclave
what is the height of the assistant chair
4-6 inches higher than operator
What are 4 Patient preparation errors?
discomfort, unsupported head position, gagging or swallowing, patient disability
functions of a mouth mirror
- To provide indirect vision
- To retract lips, cheeks, and tongue
- To reflect light into the mouth
What is the greatest advantage of digital imaging?
elimination of processing errors that cause retakes
What does radiolucent mean?
Black on x-rays
DA's hips are _____ the patient's shoulders
Hips should be _______ than knees
Feet rest ________ so thighs are ______
DA Stool arm at level of _______ and cabinet tops over _______
at; higher; on ring; parallel; abdomen; thighs
What is the most common exposure error?
Improper time selection
disadvantages of chemical sterilization
Not recommended by CDC unless necessary
biologic monitoring to verify sterility with this method is not possible
Best method to clean instruments prior to sterilization
Ultrasonic Processing
The 3rd type of intraoral image receptors (not digital)
film
principles of instrument exchange
stay in transfer zone, wait for dentist to initiate, use thumb, index, and third finger to hold instrument at the end, NOT the middle, Working end pointed in direction of use, use little finger to take old tool
always have something ready
dentist should move as little as possible
What is time of exposure based off of?
receptor speed, the area being exposed, and patient size and stature.
advantages of chemical sterlization
Used for heat sensitive instruments
requirements of a CDA
Passes the Dental Assisting National Board (DANB)
Requires 12 continuing education hours each year to maintain CDA status
pay annual renewal fee
what are the three types of intraoral image receptors
film, direct digital, indirect digital
when prepping light wrap _________
both handles
what types of sensors can be bent
phosphor plate and film
disadvantages of flash sterilization
Items cannot be stored (to be used immediately) because they are not packaged
- Not recommended for items that require biologic spore test results before use, that is, implantable items.
this form of rapid steam heat sterilization is a method used to sterilize unwrapped instruments for immediate use. The rapid contact with steam allows for shorter sterilization times
Immediate-Use Steam Sterilization (flash)
what are the two types of direct digital receptors
charge-coupled device(CCD)or complementary metal oxide
semiconductor (CMOS) sensors
after wiping with cavicide wipes wait _______ minimum
1 minute
3 Ps of fitness
posture, positioning, periodic stretching
advantages of flash sterilization
- The rapid contact with steam allows for shorter sterilization times.
Items aren't packaged
advantages of chemical vapor sterilization
Corrosion- and rust-free operation for carbon steel instruments.
Ability to sterilize in a relatively short total cycle.
Ease of operation and care of the equipment.