Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Abund Ottokar Wist"'
Publikováno v:
Journal of Clinical Laser Medicine & Surgery. 12:165-170
At the present time dental X-rays are the best method to locate carious lesions, however, small lesions can be detected only with difficulty. Even though investigations in the past have shown that light imaging systems are more sensitive to small les
Publikováno v:
Journal of Clinical Laser Medicine & Surgery. 11:313-321
Small lesions in tissues are difficult to detect by X-ray techniques. Several other techniques such as ultrasound, thermography, and light imaging systems have been investigated in attempts to increase the detection of these small lesions. It is diff
Publikováno v:
SPIE Proceedings.
A collimated transillumination system has been developed for the detection of small lesions in thick tissues. The test object is raster scanned by a collimated light beam and a synchronous in-line post collimated receiver. The images are recorded eit
Publikováno v:
SPIE Proceedings.
A high resolution light imaging system has been developed utilizing an HeNe (628 nm, 32 mW) and a receiver with post collimation mounted on an x, y table to scan the object. The image can be either recorded on a film or stored in a computer for displ
Publikováno v:
Advanced Laser Dentistry.
Collimated transillumination is a technique based on the observation that some of photons from a laser beam can traverse an entire tooth, and other tissues in an apparent straight light path and therefore make a shadow of any pathology on the receive
Publikováno v:
SPIE Proceedings.
A light imaging system is being developed which can at this time detect and characterize small lesions on the surface and deep inside a tooth or tissue. It depends on the existence of light photons which can fully traverse a tooth in a straight path
Publikováno v:
SPIE Proceedings.
Dental x-ray systems are at this time the best method to locate carious lesions but it is difficult to detect them when they are small. Light imaging systems in the past have shown to be more sensitive than x-ray system to carious lesions but one has
Publikováno v:
SPIE Proceedings.
Investigations of new transillumination techniques have created a need for detailed transmission studies of teeth and tissues. Recent results have shown that light imaging of extracted teeth can identify small (1 mm2 cross-section) caries in teeth by
Publikováno v:
SPIE Proceedings.
The stable xenon/CT method has been expanded to study in addition to the tissue flow the flow of the vessels in the brain. This method was then applied to a series of baboon experiments to measure the flow and diameters of vessels and their dependenc
Publikováno v:
SPIE Proceedings.
A new high resolution transillumination technique has been developed to detect small lesions in teeth and in tissues. It uses collimated, narrow light beams synchronized with a highly sensitive receiver to scan the sample. Extracted teeth and tissues