In-house 3D-printed surgical guides for osseous lesions of the lower jaw: an experimental study

Lukas Postl, Thomas Mücke, Stefan Hunger, Oliver Bissinger, Michael Malek, Svenia Holberg, Rainer Burgkart, Stefan Krennmair
2021 European Journal of Medical Research  
The accuracy of computer-assisted biopsies at the lower jaw was compared to the accuracy of freehand biopsies. Patients with a bony lesion of the lower jaw with an indication for biopsy were prospectively enrolled. Two customized bone models per patient were produced using a 3D printer. The models of the lower jaw were fitted into a phantom head model to simulate operation room conditions. Biopsies for the study group were taken by means of surgical guides and freehand biopsies were performed
more » ... es were performed for the control group. The deviation of the biopsy axes from the planning was significantly less when using templates. It turned out to be 1.3 ± 0.6 mm for the biopsies with a surgical guide and 3.9 ± 1.1 mm for the freehand biopsies. Surgical guides allow significantly higher accuracy of biopsies. The preliminary results are promising, but clinical evaluation is necessary.
doi:10.1186/s40001-021-00495-w pmid:33722284 fatcat:xndqh576vfhsphnrcmijg4z2l4