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Rectangular Collimation Reduces Radiation Exposure In Dentistry - Latest News


Drilling down on the necessity of dental X-rays

His response: Dental X-rays ... and rectangular collimation. "All dentists should follow the ALARA principle (as low as reasonably achievable) when determining what X-rays to order. Adhering to this p... read more

The Dentist's Chair: Dental X-rays an invaluable tool

To minimize your exposure to ... using the fastest dental film that is still diagnostic and using leaded aprons and thyroid collars. Modern digital X-rays plus the use of a rectangular collimator grea... read more

Air Techniques Introduces ProVecta HD Intraoral X-Ray System

MELVILLE, N.Y.--(BUSINESS WIRE)--Air Techniques, Inc., a leading innovator and manufacturer of dental equipment, is announcing the introduction of ProVecta HD Intraoral X-Ray System ... exposure time ... read more

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Clinic Offering Affordable Radiation Therapy to Increase Access to Care for Patients Enrolled in Hospice

Methods: A clinic offering affordable RT to patients in hospice was developed to simplify the intake, reduce ... fields were rectangular, but could be modified by collimator rotation to minimize unnec... read more


Improved Image Quality in Head and Neck CT Using a 3D Iterative Approach to Reduce Metal Artifact

BACKGROUND AND PURPOSE: Metal artifacts from dental fillings and other ... 128- × 0.6-mm section collimation using a z-flying focal spot, and 160 reference milliampere-second tube current with automat... read more

Recommendations developed to reduce radiation exposure in pediatric orthopedic patients

Now, a new analysis looks at the available evidence on radiation exposure in medical imaging in pediatric orthopaedic care—and provides recommendations aimed at optimizing decision-making to reduce un... read more

The Physics of Healing: Radiation Therapy

One of the most interesting parts of a radiation therapy machine is the collimator. Collimation controls the shape of the beam and limits unwanted exposure. A diagnostic X-ray machine’s collimator is ... read more

Dr. Allen Chen

Dr. Allen Chen is a radiation oncologist in Orange, California and is affiliated with multiple hospitals in the area, including UCLA Medical Center and UCLA Medical Center-Santa Monica. He received hi... read more

Microbeam radiation therapy

Both the efficacy and side effects of radiation therapy depend not only on the exposure dose but also on the volume of ... The planar microbeams are generated by a multi-slit collimator in the synchro... read more

Radiation Dose for 345 CT-Guided Interlaminar Lumbar Epidural Steroid Injections

MATERIALS AND METHODS: A total of 281 patients who had undergone 345 consecutive CT-guided epidural steroid injections of the lumbar spine were evaluated for radiation exposure. The dose-length produc... read more



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