Keum-Ah Han

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 Background. For radiobiological experiments using the Gamma Knife model B, we constructed a stereotactic device to irradiate rat and mouse brains and verify the absorbed dose at the target using thermoluminescence dosimetry and a head phantom.  Methods. Our stereotactic device is primarily designed for rats using the fixation principles of a stereotactic(More)
There are many obstacles to overcome in implant dentistry. The bony defect around implant can be seen in immediate installation procedures. Following tooth extraction, however, a socket often presents dimensions that may be considerably greater than the diameter of a conventional implant.1) The placement of implants in fresh extraction sockets was advocated(More)
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