Peer-reviewed veterinary case report
Accuracy of self-positioning titanium mesh for guided bone repair
By Zhang J et al.·2026·Shanghai Ninth People's Hospital, China·View original on Europe PMC →
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Original publication title: <i>In vitro</i> evaluation of a self-positioning individualized titanium mesh for improved accuracy in guided bone regeneration.
Plain-English summary
This study looked at a new type of titanium mesh that can position itself better during a procedure called guided bone regeneration, which is important for placing dental implants. Researchers tested this self-positioning mesh against a standard version using models of the upper jaw with similar defects. They found that the self-positioning mesh was more accurate in shaping the bone and placing screws correctly. Overall, this new mesh showed promise for improving the success of dental implants in real-life situations.
Abstract
<h4>Introduction</h4>Adequate bone volume and contour are essential for successful implant placement. This study evaluated the accuracy of a novel self-positioning three-dimensional printed individualized titanium mesh (3D-PITM) in guided bone regeneration (GBR).<h4>Methods</h4>Ten identical maxillary phantoms with standardized defects were divided into an experimental self-positioning 3D-PITM group and a conventional 3D-PITM group. Pre- and postoperative CBCT scans were obtained for 3D reconstruction and superimposition. Deviations in augmented contours, screw placement, volumetric accuracy, and 2D cross-sectional augmentation were analyzed.<h4>Results</h4>The self-positioning group showed significantly reduced deviation in augmentation contours (0.82 ± 0.07 mm vs. 1.02 ± 0.13 mm, <i>P</i> = 0.003), improved screw placement accuracy (0.10 ± 0.13 mm vs. 0.65 ± 0.32 mm, <i>P</i> = 0.026), and lower volumetric discrepancies. Two-dimensional evaluation confirmed greater vertical and horizontal accuracy in bone augmentation (<i>P</i> = 0.021, <i>P</i> = 0.018).<h4>Conclusion</h4>The self-positioning 3D-PITM achieved more accurate installation and predictable bone augmentation <i>in vitro</i>, suggesting potential clinical advantages for implant-supported rehabilitation.
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Search related cases →Original publication on Europe PMC: https://europepmc.org/article/MED/41768135