Digital technology for performing a nasopalatine and greater palatine nerve block with a modified implant surgical guide: A technique article

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This article describes a computer-aided design and computer-aided manufacturing (CAD-CAM) technique to perform a precise nerve block of the nasopalatine and greater palatine nerves by using an implant surgical guide. The technique uses additional guide anchor pins planned and positioned for specific anatomic landmarks during guided implant surgical guide planning. A relief modification virtually designed on the intaglio surface of the surgical guide allows for palatal soft tissue distension following administration of local anesthetic. This information is then transferred to the guide manufacturer to order the modified guided implant surgical guide. The purpose of this procedure is to provide precise delivery of local anesthetic and to prevent any discrepancy in surgical guide seating following injection.

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