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PubMed2006

Dental radiography.

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History, 20th Century↗
PubMed1998

Estimated skin exposure as an indicator for comparing radiovisiography (RVG) versus conventional Ektaspeed Plus dental radiography.

An Everest 3000 Radiovisiography (RVG) Video system (Trophy USA Inc., Fredericksburg, VA 22402) was compared with conventional radiography using Ektaspeed Plus film (Eastman Kodak Co., Rochester, NY 14650). Previous studies of the RVG system with a special computer controlled x-ray timer (Trophy USA, Inc.) claimed a significant reduction in radiation. Trophy has also claimed that the RVG system can provide diagnostic quality images utilizing existing conventional x-ray generators. This study used a conventional timer and generator. Since it would be logical to assume that many practitioners would use the equipment "in place" rather than invest in new, unfamiliar equipment. Estimated Skin Exposure (air) was used as the primary criteria for comparative purposes. Exposure has been defined as "a measure of radiation quantity, the capacity of ionize air. The roentgen (R), is the traditional unit of radiation exposure measured in air"; The results indicate that the RVG system when combined with a standard conventional timer actually generated greater radiation exposure than does standard, routine radiography.

Evaluation Studies as Topic↗
PubMed2004

Infection control practices for dental radiography.

Infection control for dental radiography employs the same materials, processes, and techniques used in the operatory, yet unless proper procedures are established and followed, there is a definite potential for cross-contamination to clinical area surfaces and DHCP. In general, the aseptic practices used are relatively simple and inexpensive, yet they require complete application in every situation.

Asepsis↗
PubMed2000

Infection control procedures used in conjunction with computed dental radiography.

Infection control guidelines for dental radiography have been modified since 1986, when the American Dental Association and the Centers for Disease Control and Prevention supported the concept of "universal blood and body fluid precautions." With the introduction of computed digital radiography, hardware manufacturers recommend that alternative infection control techniques are necessary to prevent potential damage to the digital x-ray sensors placed inside the patient's mouth. Thirty first-year dental hygiene students were asked to insert and remove a Schick CDR number 2 size intraoral digital x-ray sensor into modified Rinn XCP bitewing bite blocks and a modified Rinn Snap-a-ray five times with each of the recommended infection control covers. Reduced rates of cross contamination are possible if the plastic barrier envelope has an additional latex finger cot stretched over it and the x-ray sensor. Sole usage of a latex finger cot will result in a reduced incidence of contamination, but still not to acceptable levels. However, a plastic barrier envelope placed over the x-ray sensor and over the modified XCP bite block together or a covered sensor in a Snap-a-ray under normal conditions does not result in a perforation and is least likely to result in cross contamination.

Humans↗
PubMed1977

Phantom measurements of absorbed doses in dental radiography.

Some phantom measurements of absorbed doses from Norwegian dental radiography are presented. The mean bone-marrow dose from a single molar bite-wing projection was assessed to 1 mrad, a conventional full mouth examination (10 exposures) 7 mrad and an orthopantomographic exposure 2 mrad. The population dose from Norwegian dental radiography was estimated to be: mean bone-marrow dose 1 mrad and genetically significant dose 0.012 mrad.

Bone Marrow↗