Radiation safety
Whats is ALARA?
As Low As Reasonably Achievable.
What causes a light radiograph?
Underdevelopment and underexposure.
What is used for a premolar & molar shot X-ray?
a Bitewing tool.
What type of PPE shall we worn during radiographs?
Gloves, mask and apron.
What is the setting of the power control at & what percentage?
kVp and 70 percent.
What protects the patient from radiation and from what type of radiation?
a Lead Apron with a thyroid collar and Protects patient from scattered radiation
What causes a dark radiograph?
Overexposure and overdevelopment
What are the three different type of radiation Available?
1. Bistecting
2. Paralleling
3.Digital
barriers are used for what reason?
To prevent cross-contamination.
What error happens when PID is not centered?
Cone cut.
where shall the dental assistant stand during exposure?
6-7 feet away from beam.
What solution helps remove the halide crystals when flim is underexposed?
The fixer.
What is the name of where the patient bites down during a X-ray
The bite block
What is the first step before exposing radiographs?
Review medical history and prepare equipment
What happens when exposure time is to long?
The film comes out too dark.
What type of radiation leaves the X-ray tube?
Primary radiation
Which solution develops the film?
The developer.
Is the patient chin is too high what does it cause?
It causes overlap
What step can prevent cross contamination from an X-ray sensor or film?
A disposable barrier over sensor or film holder before use.
Name three type of radiation.
1. Primary radiation
2. Secondary radiation
3.leakage radiation
What measures the dental assistants exposure to radiation? And when shall it be ONLY worn.
When a film appears dark what is the cause and issue?
it has low contras and can be developer solution too hot.
1.Coronoid Process
2.Body of Mandible
3.Metal Foramen
Before using sensors on your next patient what shall you do?
Remove barrier, disinfect the sensor with proper disinfectant, allow for it to dry and then place in new barriers.
What controls the number of X-rays produced?
mA.