Precision for Computer-Guided Implant Placement: Using 3D Planning Software and Fixed Intraoral Reference Points

Stefan Holst, Markus B. Blatz, Stephan Eitner

Research output: Contribution to journalArticle

39 Scopus citations

Abstract

Purpose: The aim of this article is to describe the application of screws as fixed intraoral reference points for stable, precise, and repeatable positioning of diagnostic and surgical templates for implant placement. Materials and Methods: Currently available software programs in combination with computed tomography data allow 3-dimensional treatment planning in demanding clinical situations prior to implant placement. One drawback of most systems is the lack of stability and support of both radiographic and surgical templates in edentulous patients. The characteristics and application of a new screw system in combination with computer assisted 3-dimensional implant placement are specified. Results: Implants were placed exactly as projected without impairment of the mandibular nerve despite close proximity of the mental foramen. Conclusion: Precision and accuracy of computer-based or -supported implant placement is valuable only if an exact transfer to the intraoral situation is granted. Depending on the clinical patient situation, fixed intraoral reference points can improve precision in an efficient manner.

Original languageEnglish (US)
Pages (from-to)393-399
Number of pages7
JournalJournal of Oral and Maxillofacial Surgery
Volume65
Issue number3
DOIs
StatePublished - Mar 1 2007

ASJC Scopus subject areas

  • Surgery
  • Oral Surgery
  • Otorhinolaryngology

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