preventing cross contamination exposing dental films achieved

Preventing cross contamination when exposing dental films can be achieved by the use of

Chapter-09 Infection Control in Dental Radiography

BOOK TITLE: Oral & Maxillofacial Radiology: Basic Principles and Interpretation

Author

1. Pillai Kamala G

ISBN

9789351528548

DOI

10.5005/jp/books/12681_10

Edition

1/e

Publishing Year

2015

Pages

7

Author Affiliations

1. Oral Medicine and Radiology College of Dental Surgery, Manipal, India; Arab Medical University, Benghazi, Libya; SDM College of Dental Sciences, Dharwad, India; School of Dentistry, University of the West Indies, Trinidad & Tobago; School of Dentistry, Jordan University of Science & Technology, Jordan

Chapter keywords

Dental radiography, universal precautions, Spaulding’s classification, barrier protected film, cephalostat, uncontaminated X-ray films, panoramic machine, powder-free gloves, day light processors, salivary contamination, X-ray tube head, radiographic procedures, X-ray control panel, tuberculocidal, cephalometric radiographs, intraoral films, X-ray unit, film holding instruments

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QuestionAnswer
Which of the following are considered to be the most radioresistant? Muscles and nerves
Taking every prudent measure or precaution to prevent occupationally and nonoccupationally exposed persons from radiation is? ALARA
The aluminum filter in the x-ray unit tubehead reduces the dose of radiation by? Absorbing long wavelength low energy penetrating waves
Exposure to radiation can best be reduced for the patient by the use of? F speed film
The x-ray film packet filter that prevents film fog is usually made of? Lead foil
A herringbone or tire track pattern on a radiograph is a result of? Improper film Placement
The two types of digital systems include? Wired ccp and wireless psp
What is the time between exposure to radiation and time the effect becomes visible? Latent period
The collar on a lead apron reduces the dose of radiation to the? Thyroid
Another name for target is? Anode
As an x-ray operator, which of the following procedures will help reduce your x-ray exposure? Standing 6 ft away from the tube head Standing behind a lead lined barrier wall or outside the room Never hold the tubehead during exposure *Answer is All the above
The function of the raised (embossed) dot on the surface of the traditional film is to determine what? Right from left
Radiation units and measurements are measured by? Amount of x-ray energy produced by the x-ray unit Amount absorbed by the body *Answer is all the above
The purpose of this film is to record the entire tooth including 4mm around the apical area? Periapical
The primary purpose for taking bitewing x-rays? To view interproximal surfaces and the crestal bone.
When using the panoramic machine, there is no need to wrap the unit True
The radiographic equipment that can be sterilized is the? Film holders
A radiographic image is produced on a panoramic film by use of? Intensifying screens
Film fogging can best be detected on stored unexposed radiographic film by? Exposing a complete mouth radiograph survey
Time temperature processing means? The developing time is determined by the developer temperature.
What is the ideal time and temperature for manual development? 68 degrees Fahrenheit for 4.5 - 5 minutes
Whether using manual or automatic processing techniques, improper handling can result in? Films sticking together
If a film has debris or dark spots on film, what is the probable cause? Dirty processing rollers
How can you test the effectiveness of the safelight in the darkroom? Using the coin test
Dark room infection control guidelines may include? Barrier placed on counter tops Change gloves or the use of overgloves After all the films are in processor, wash, and dry hands The answer is all the above.
To reduce cross contamination, the most appropriate way to store exposed radiographs prior to processing is? In disposable cups

What is the major source of cross contamination during radiographic procedures?

Contaminated Film Packets The contaminated film packet is the major source of cross-contamination during radiographic procedures. When the packet is removed from the patient's mouth, it is coated with saliva (or, on occasion, contaminated with blood).

What is the function of the raised dot on the film?

A small, raised dot known as the identification dot is located in one corner of the intraoral X-ray film. This raised dot is used to distinguish between the left and right sides of the patient after the film is processed; hence, it is significant in film orientation, mounting and interpretation.

Why is the use of a higher Kilovoltage peak recommended?

The higher the kVp, the more likely the x-ray beam will be able to penetrate through thicker or more dense material. Low kVp photons are weak and easily absorbed by body tissues or filters that have been placed.

When the outside of a biopsy specimen bottle shows visible contamination What should be done?

If the outside of the container is visibly contaminated, it should be cleaned and disinfected or placed in an impervious bag (49).

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