A device designed to be used during the planning and post-osteotomy stages of a dental implantation procedure, prior to surgical implant placement/fixation, to measure/determine various lengths (e.g., drill depth of the osteotomy cavity, mucosal height, distance between implants/teeth for determining the mesiodistal position of the implant) and/or angles [e.g., direction of the perforation in relation to the antagonist arch], typically to help select an appropriate final prosthetic abutment to be installed. It is typically graduated and may be a hand-held instrument or a stand-alone device placed intraorally; some types are intended for use during x-ray imaging. This is a reusable device.
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