Medizinische Universität Graz - Research portal
Selected Publication:
Wagner, A; Wanschitz, F; Birkfellner, W; Zauza, K; Klug, C; Schicho, K; Kainberger, F; Czerny, C; Bergmann, H; Ewers, R.
Computer-aided placement of endosseous oral implants in patients after ablative tumour surgery: assessment of accuracy.
Clin Oral Implants Res. 2003; 14(3):340-348
Doi: 10.1034/j.1600-0501.2003.110812.x
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- Co-authors Med Uni Graz
- Schicho Kurt
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- Abstract:
- The objective of this study was to evaluate the feasibility and accuracy of a novel surgical computer-aided navigation system for the placement of endosseous implants in patients after ablative tumour surgery. Pre-operative planning was performed by developing a prosthetic concept and modifying the implant position according to surgical requirements after high-resolution computed tomography (HRCT) scans with VISIT, a surgical planning and navigation software developed at the Vienna General Hospital. The pre-operative plan was transferred to the patients intraoperatively using surgical navigation software and optical tracking technology. The patients were HRCT-scanned again to compare the position of the implants with the pre-operative plan on reformatted CT-slices after matching of the pre- and post-operative data sets using the mutual information-technique. A total of 32 implants was evaluated. The mean deviation was 1.1 mm (range: 0-3.5 mm). The mean angular deviation of the implants was 6.4 degrees (range: 0.4 degrees - 17.4 degrees, variance: 13.3 degrees ). The results demonstrate, that adequate accuracy in placing endosseous oral implants can be delivered to patients with most difficult implantologic situations.
- Find related publications in this database (using NLM MeSH Indexing)
- Dental Implantation, Endosseous -
- Dental Implants -
- Feasibility Studies -
- Humans -
- Image Processing, Computer-Assisted -
- Imaging, Three-Dimensional -
- Jaw Neoplasms - surgery
- Patient Care Planning -
- Reconstructive Surgical Procedures -
- Software -
- Surgery, Computer-Assisted - statistics & numerical data
- Tomography, X-Ray Computed -
- Find related publications in this database (Keywords)
- accuracy
- computer-aided surgery
- implant dentistry
- mutual information matching