ROP QUiz #1
Terms
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copy deck
- What appears most radiopaque on a x-ray?
- enamel
- X rays are used to do what to the tissue?
- destroy
- If the darkroom has a light leak, how will the film appear after it has been developed?
- dark
- Otto Walkoff
- 1st dental radiograph
- Ciezynski
- discovered bisecting angle technique
- W.D. Collidge
- invented vacuum tube
- C. Edmund Kells
- american pioneer in dental radiography; hired first dental assistant
- W.K. Roentgen
- discovered x-rays
- Explain where leakage radiation comes from
- all radiation coming from teh tube housing except the useful beam
- What does the periapical xray detect?
- entire anatomy of the tooth
- Explain what density is
- referring to the blakening of the film
- What is a RAD of radiation
- unit of absored radiation
- What appears most radiolucent on a X-ray Film
- periodontal membrane
- What does the bite/wing x-ray detect
- carries inbetween teh teeth ( inter proximal)
- is the panoramic film used intraoral or extraoral
- extraoral
- What is a Curie
- unit of radioactivity
- What is used as a aid in mounting a X-ray film?
- raised dots
- What is the purpose of the collimator in the x-ray machine?
- reduces the size of x-ray beam to 2/3 inches
- Explain the error of foreshortening
- vertical angle is too high
- How does cumulative radiation effect the body?
- kills gonadal cells reproduction cells each does is added to the previous dose
- What does occlusal xray film detect?
- upper/lower arch on one film
- explain the error of elongation
- vertical angle of cone is placed too low
- when the xray machines are installed in adjacent rooms, how far between these rooms must the barriers be placed?
- 6
- explain the error of overlapping
- central rays are not directed through contact points incorrect horizontal angle
- What is the contrast of a dental xray
- the difference between black and white on the x ray film