Radiography Flashcards
(32 cards)
What are 4 legislations for radiography
• IRR (IONSING RADIATION REGULATION) 17
• IR(ME)R 17 IONSING RADIATION (MEDICAL EXPOSURE) REGULATIONS 17
• ALARP - AS LOW AS REASONABLY PRACTICABLY
• REPPIR- The Radiation (Emergency Preparedness and Public Information)
Regulations 2001
Local rules
which are displayed next to x-ray machine in dental surgery - DENTAL RADIATION LEGISLATIONS -
arrangements for pregnant staff
• name of radiation protection supervisor
• identification and description of controlled area
What to do in the event of malfunction
Radiation protection supervisor duties-
carry out risk assessments regarding restricting radiation exposure (risk assessment of x-ray area.
• ensure all staff are trained to their level of legal responsibility (staff training).
• ensure local rules are up to date, and to update when necessary.
• maintain contents of “radiation protection file”.
Bite wings - what do u see?
Posterior teeth in occlusion
Crown of posterior teeth in occlusion
Cannot see the apex
Bite wings- why do we take them
Bone loss
Diagnosing caries
Check under old restorations
Periapical- what do we see?
Focused on 1 or 2 teeth
Can see crown to apex and surrounding bone
Periapical- why do we use them
Before and after RCT
Before and after extraction
Abscesses
Occlusal- what do we see?
Maxillary or mandible view
Occlusal- why do we take them
Impacted canines
Fractures
Cysts
Saliva gland blockage
OPG -what do we see
Full dentition and mandible
OPG- why do we take them
Orthodontic
Trauma
Before surgery
Ceph- what do we see
Lateral view of skull,mandible and neck
Ceph- why do we take them?
Pre jaw surgery
Identify trauma
Lateral oblique radiograph- what do we see?
Lateral view of mandible
Lateral oblique radiograph- why do we take them
Jaw pathology
Orthodontic assessment
What is quality assurance
Process to make sure standards are met and prevent quality failure
Grading system (old)
Grade 1- perfect
Grade 2-some faults
Grade 3-unusable
Grading system (new)
A- acceptable
N- not acceptable
When is dosimeter worn
50 extra oral and 100 intra oral a week
Audit cycle
Perform audit
Compare results
Reaudit
What does ALARP mean
As low as reasonably practicable
4 hazards for radiography
Hair loss
Skin burns
Cell changes
Tissue damage
What do these signs mean yellow and orange
Yellow- radiograph warning label
Orange- oxidising agent
Green/brown tint to xray
Fixer not washed properly
