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Gendex has released its latest imaging system. The GXB-500 features a medium size form-factor cone beam CT for for implant planning, TMJ analysis, and small oral surgery procedures. The system’s unique Amorphous Silicon Flat Panel sensor yields accurate, highly detailed image quality at the fastest scan and reconstruction rates in the industry (8.9 seconds and 20 seconds respectively), that allow dental teams to experience greatly improved workflow. Adding to the value of the GXCB-500, the system serves a dual function—it also features traditional digital panoramic imaging for capturing 2-D data
Allison, a green sea turtle, lost three of her flippers in a shark attack. To prevent her swimming in a permanent spiral, researchers plan on fitting a prosthetic flipper attached via a dental implant. The other option would be an external strap-on device. She was rescued in 2005 on the sub-tropical shores of South Padre Island on the Texas Gulf coast and now resides in a small tank at Sea Turtle, Inc, a research and conservation center which among other things rehabilitates injured sea turtles. The implant will go where her lower left flipper once was and even if it is successful she will still not be released back into the wild as the flipper will have to be replaced periodically and enlarged as she grows. The dental implant will be the work of Dr. Sudarat Kiat-Amnuay, an assistant professor at The University of Texas Dental Branch at Houston. It might work on Allison because the size of the dental implant ranges from 2 mm to 6 mm and the diameter of her bone is about 10 mm. "We are going to drill into the bone and then place the implant and let it integrate for a few months and if it integrates then we can add the flipper," she said. The prosthetic appendage would be made from an imprint of a flipper of a dead turtle of a similar size.
Researchers at the Dunedin School of Medicine, Dunedin, New Zealand have reported in the Journal of the American Medical Association (JAMA) that Cannabis smoking may be a risk factor for periodontal disease that is independent of the use of tobacco. Tobacco smoking was strongly associated with periodontal disease experience, but there was no interaction between cannabis use and tobacco smoking in predicting the condition`s occurrence
As previously reported, Clearchoice Dental Implant Centers provide one stop implant services: CT-Scan, surgery and restorations. They have sponsored a pseudo-news infomercial in Colorado.
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Biomet 3i have developed a protocol and set of surgical instruments for use with their implants in CT guided surgery. The Navigator System utilizes a surgical plan devised from CT images using Materialises`s Simplant Technology and a combination of specially designed surgical and laboratory drills and instruments to allow template-based implant positioning and immediate restoration if so desired.
ZikonZahn have developed the Zirkograph, a copy-milling unit, that is a manually operated machine for the manufacture of crown & bridge frameworks. An analog model is scanned using a stylus and enlarged by the panthographic principle when milling frameworks out of zirconia blanks. The Zirkograph 025 ECO can mill single abutments to 14 unit bridges or occlusal screwed bridges.
Denture cleaners like Polident and Fixodent have caused serious and sometimes fatal reactions in some people. The Food and Drug Administration (FDA) announced Monday that one person died and at least 72 others were sickened as a result of allergic reactions to denture cleaners. In some cases, the reactions were a result of product misuse. The FDA report blamed a bleach called persulfate, an allergen used in most denture cleansers. Persulfates are used in these products as part of the cleaning and bleaching process. The FDA is urging doctors and patients to be aware of the symptoms of an allergic reaction and to only use the cleansers as directed. The person who died and some of those who were sickened misused the cleaners, the FDA said. "Some patients have gargled or swallowed it, resulting in abdominal pain, vomiting, seizure, hypotension and difficulty breathing," it said. Meanwhile, some who reported allergic reactions used the cleaners properly, the FDA said.
Dr Christopher Lie of the Sussex Eye Hospital in Brighton, England performed a sight restoring procedure called Osteo Odonto Kerato Prosthesis (OOKP) which involves fitting a living canine tooth with an optical cylinder and transplanting it into the eye cavity, restoring a blind Irishman`s sight. The procedure involves removing a canine tooth, a part of the adjacent bone and related ligaments from a patient. It is attached in the first stage to the cheek area to develop a blood supply and is allowed to heal for several months.
Later the tooth complex is removed from the cheek area and placed within the eye, attaching a corneal replacement implant. Bob McNichol, 57, from County Mayo in the western part of Ireland was blinded by a freak accident explosion involving melted aluminum at a recycling business two years ago received the tooth from his son Robert, 23.
Swiss company Nobel Biocare bought Israeli dental implant startup Alpha Bio for $95 million. Alpha Bio Implant was a one-man show: Dr. Ophir Fromovich, CEO, owner and dentist to the stars, not that he`ll say who his clients are. Fromovich founded Alpha Bio Implant in 1988. Alpha Bio created a new type of implant, the first generation of what became called the NobelActive, the implant with the novel thread pattern. The device Web site explains that it does not "cut through bone like conventional implants," it presses through it like a corkscrew. Patients with old-type implants had to wait three to six months for the traumatized jawbone to stabilize before the crown could be "loaded". Also, these old implants could cause bone erosion and lead the gums to recede, which is unsightly. The new one does none of that, says Fromovich. It even suits "soft bone" situations, and causes very little injury to the bone tissue. Also, in most cases, the crown can be loaded on immediately, which is the ultimate victory for the inventors: No need to wait for months to see the patient`s white smile.
Swiss Researchers at the Paul Scherrer Institute have developed a novel method for producing dark-field x-ray images at wavelengths used in typical medical and industrial imaging equipment. Dark-field images provide more detail than ordinary x-ray radiographs and could be used to diagnose the onset of osteoporosis, breast cancer or Alzheimer’s disease. Unlike traditional x-ray images, which show a simple absorption contrast, dark-field images capture the scattering of the radiation within the material itself, exposing subtle inner changes in bone, soft tissue, or alloys. The overall clarity of the images is striking. The improved sensitivity in measuring bone density and hairline fractures could help diagnose the onset of osteoporosis.
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