Term
| True/False, According to the paralleling technique the central ray is directed at an imaginary plane halfway between the long axis of the tooth and the long axis of the film. |
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Definition
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Term
| Radiographs are ? cast on a film |
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Definition
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Term
| True/False, In order for infection to occur you must use an acceptable barrier |
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Definition
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Term
| True/False The paralleling technique is the technique of choice for intraoral radiography |
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Definition
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Term
| What type of radiation has great pentrating power? |
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Definition
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Term
| True/False In order to be a good radiographer it is necessary to know how to perform dental x-ray machine inspections. |
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Definition
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Term
| What does a panoramic radiograph show the dentist? |
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Definition
| shows the whole inter of the mouth and the sinus cavides |
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Term
| True/False, Spores are destrord during disnfection |
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Definition
|
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Term
| True/False, Irradiated cells cannot be repaired. |
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Definition
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Term
| Excessive vertical angulation causes? |
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Definition
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Term
| True/False Bitewing, occusal, and periapical radiographs are caterorized as interoral |
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Definition
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Term
| What effects causes x-rays to be scattered in all directions? |
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Definition
|
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Term
| What is self determination? |
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Definition
| A person has the right to say no to x-rays |
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Term
|
Definition
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Term
| What are non-critical instructions? |
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Definition
| Insterments that come in contact with skin may be contaminated |
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Term
| This side of the film packet is white |
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Definition
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Term
| True/False, the protective layer emulsion and base are all componets of the dental x-ray film. |
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Definition
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Term
| This technique should be used when the film packet cannot be placed parallel to the long axis of the tooth. |
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Definition
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Term
| Ture/false regulation regarding who can take x-rays vary by state. |
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Definition
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Term
| True/False The intensity of the x-ray beam is directly, affected by the target size. |
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Definition
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Term
| "Electrons in Motion" is the basic definition of ? |
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Definition
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Term
| This is the partial shadow/fuzziness around an object on a radiograph. |
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Definition
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Term
| True/False, Dentists are licensed to perform inspections of dental x-ray machines. |
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Definition
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Term
| True/False, Radiation can cause changes to genetic material |
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Definition
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Term
| True/False, Magnetic resonance imaging (MRI) uses ionizing radiation. |
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Definition
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Term
|
Definition
|
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Term
| what are the two chemicals found in developer? |
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Definition
|
|
Term
| what PEE is required during radiographic procedures? |
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Definition
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Term
| A small focal spot reudces the size of ? |
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Definition
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Term
| What does fixer do during the processing of the film? |
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Definition
| Prevent futher film development. |
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Term
| What should be in close physical contact with the intensifying screen? |
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Definition
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Term
| True/False, The automatic processor is part of the dental x-ray machine. |
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Definition
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Term
| True/False The lead apron can and should be sterilized. |
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Definition
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Term
| True/False X-rays travel in convergent lines rather than straight lines. |
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Definition
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Term
|
Definition
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Term
| True/False According to the shadow casting principles, the object film distance should be as short as possible. |
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Definition
|
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Term
| which of the following has a positive charge? Electrons, Protons, neutrons |
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Definition
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Term
| This technique should be the radioraphers first choice when exposing periapical radiographs. |
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Definition
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Term
| True/False, The lethal dose of radiation for humans is about 4.5 grays |
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Definition
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Term
| True/False, increasing the dose of radiation is a recommended method to compensate for weak processing solutions |
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Definition
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Term
|
Definition
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Term
| True/False, The majority of x-rays produced by dental x-ray machines are formed by characteristic radiation |
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Definition
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|
Term
| Angulation is measured in ? |
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Definition
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Term
| Should we allow our patient to hold the film in place? why/why not? |
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Definition
| No because they are getting exposed to unnecsary radiation |
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Term
| What device helps the radiographers direct the x-ray beam toward the patient? |
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Definition
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Term
| True/False The smaller the area of tissue exposure to radiation the greater damage to the individual |
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Definition
|
|
Term
| X-rays travel at the speed of ? |
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Definition
|
|
Term
| what are the 4 compnets of the dental x-ray film? |
|
Definition
| film, black paper wrapping, lead foil, moisture resistan outer wrapping |
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Term
| True/False, The identification dot should always be positioned toward the apex when taking periaplcals |
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Definition
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|
Term
| What is the purpose of periapical radiograph |
|
Definition
| To show whats in between the teeth and surronding areas |
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Term
| True/False, when not in use, the lead apron, should be folded and stored in a cool dark place |
|
Definition
|
|
Term
| what is the purpose of the lead foil inside of the film packet? |
|
Definition
|
|
Term
| How often should semicritical objects be sterilized |
|
Definition
|
|
Term
| who do the orignal radiographs belong to? |
|
Definition
|
|
Term
| True/False, All darkrooms should have extra storage for unexposed film |
|
Definition
|
|
Term
| What does "standard precautions means? |
|
Definition
| assume every patient is infected. |
|
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Term
| True/False The "bitewing" gets its name from the greek word means around and the latin word for apex or root tip. |
|
Definition
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|
Term
| What is the best way to rduce patient risk from radiation exposure? |
|
Definition
|
|
Term
| What does a bitewing x-ray show? |
|
Definition
| shows max and Mand. teeth and crestal bone on same film |
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|
Term
| If a size 2 film packet is too large in the anterior what might we use instead? |
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Definition
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|
Term
| True/False, protective clothing should be laundered 1x weekly. |
|
Definition
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|
Term
| When processing film the darkroom should be ? |
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Definition
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Term
| True/False, The extension arm and yoke of the x-ray machine are insulated. |
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Definition
|
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Term
| True/False, Developer solution includes a restrainer an activator and reducing agents. |
|
Definition
|
|
Term
| True/False, All dental x-ray machines have KVP & MA that are preset by the manufactor |
|
Definition
|
|
Term
| What is radiographic density? |
|
Definition
|
|
Term
| True/False, According to shadow casting principles the object and film should be perpendiular to one another |
|
Definition
|
|
Term
| True/False, in order to determine the manual processing times, we should visually inspect our x-ray film prior to developing |
|
Definition
|
|
Term
| How often should processing chemicals be changed. |
|
Definition
|
|
Term
| The aluminum in the PID acts as ? |
|
Definition
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|
Term
| True/False, Automatic processors should be cleaned approximatley every six weeks |
|
Definition
|
|
Term
| how many films are needed for a full mouth series? PAS? BWS? |
|
Definition
| 18-6 anterior, 4 bitewings & 8 periapical |
|
|
Term
| By what percentage can radiation do reduced by using a digital imaging system? |
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Definition
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