Comparing the sensitometric properties of dental x-ray films

Article Abstract:

Dentus M2 Comfort dental x-ray film may be faster, and may provide greater contrast and a wider latitude than other D-speed dental x-ray films. Researchers took x-rays using four brands of D or E speed dental x-ray film: Eastman Kodak's Ultra-Speed DF-57 and Ektaspeed EP-21, Flow X-ray Corp's DV-58, and Agfa Gevaert's Dentus M2 Comfort. Dentus M2 Comfort film was 1.4 times faster than Ultra-Speed and .7 times faster than DV-58. Dentus M2 Comfort film was slower than the E-speed film, Ektaspeed. Dentus M2 Comfort had higher contrast than the other D-speed films. DV-58 had the greatest latitude. Dentus M2 Comfort and Ektaspeed recorded significantly more perceptible details than other films in low exposure.

Equipment and supplies, X-rays, Radiography, Radiography equipment

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Depth of cure and microleakage with high-intensity and ramped resin-based composite curing lights

Article Abstract:

Dentists should be careful when using high-intensity curing lights because some resin-based composites will begin leaking after one month when these lights are used. Both Optilux 501 and ADT Power PAC curing lights caused microleakage within a month. Only a microhybrid resin-based composite was successfully cured using these lights. Dentists should use dental resin layers less than two millimeters deep when using these curing lights.

Dental resins, Dental restorations, Dental acrylic resins

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A comparison of two prophylaxis angles: disposable and autoclavable

Article Abstract:

A disposable prophylaxis angle appears to be effective in removing plaque and can reduce the risk of transmitting microorganisms. A prophylaxis angle is used to polish teeth after they have been cleaned. Researchers tested a traditional metal prophylaxis angle that must be autoclaved after each use and a plastic, disposable angle. The disposable angle removed more plaque and was well-accepted by the patient and dental hygienist.

Teeth

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