ArticleBiomimetics (Basel, Switzerland)2026
Prospective Clinical Evaluation of Customized Titanium Occlusive Barriers with Window Modification for Guided Bone Regeneration: Radiographic and Histological Outcomes.
Article in Biomimetics (Basel, Switzerland), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to quantify horizontal and vertical bone gain using superimposition of preoperative and postoperative cone beam computed tomography (CBCT) in severe alveolar ridge defects treated with a modified guided bone regeneration (GBR) technique based on customized titanium occlusive barriers with a window design, combined with autologous blood clot and β-tricalcium phosphate (β-TCP). In this prospective case series, 13 patients (28 defects) were treated. Customized titanium barriers were digitally designed based on CBCT data and manufactured by laser sintering. The barriers were fixed over the defects and filled with a mixture of an autologous blood clot and β-TCP, providing an osteoconductive scaffold within a stable regenerative compartment. A standardized window-based follow-up protocol was applied during healing, including irrigation and controlled deepithelialization. Primary outcomes were horizontal and vertical bone gain, assessed by pre- and postoperative CBCT superimposition. Histological evaluation was performed at the time of implant placement. After 8 months, significant bone gain was observed, with a mean horizontal gain of 4.50 ± 2.02 mm and a mean vertical gain of 4.40 ± 2.82 mm (
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