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KMID : 0362420210590040478
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Journal of Korean Academy of Prosthodontics
2021 Volume.59 No. 4 p.478 ~ p.486
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Computer-guided implant surgery and immediate provisionalization by chair-side CAD-CAM: A case report
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Hyun Sang-Woo
Lee Sung-Bok
Lee Suk-Won
Cho Young-Eun
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Abstract
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This report demonstrates a method of generating a chair-side and computer-aided template for implant surgery based on the Top-Down and restoration-driven concept. Compared to the traditional CAD-CAM process which requires multiple steps to be taken between dental clinic and laboratory, this alternative procedure, VARO guide system (VARO Guide, CAD, Pre-Guide, VARO-mill, NeoBiotech, Seoul, South Korea) enables accurate and patient-friendly implant surgery as well as immediate provisional restoration in a single visit. First, bite-registration at centric jaw relation and CBCT were taken using the Pre-Guide. The CBCT data was then reorganized directly through the chair-side CAD, and we could determine the most appropriate 3-dimensional position of implant. The STL file was extracted and put into the chair-side CAM (VARO-mill) to fabricate a VARO. This surgical guide allowed the implants to be accurately positioned into the planned sites within an hour.
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KEYWORD
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CAD-CAM, Chair-side immediate restoration, Patient-friendly, Pre-Guide, Top-Down, Restoration-driven, VARO Guide
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