{"id":6271,"date":"2026-06-18T11:56:12","date_gmt":"2026-06-18T09:56:12","guid":{"rendered":"https:\/\/bebdental.it\/?p=6271"},"modified":"2026-06-18T12:13:56","modified_gmt":"2026-06-18T10:13:56","slug":"the-zero-gap-protocol-for-the-rehabilitation-of-severe-jaw-atrophy-via-the-digital-workflow-a-preliminary-clinical-study","status":"publish","type":"post","link":"https:\/\/bebdental.it\/en\/the-zero-gap-protocol-for-the-rehabilitation-of-severe-jaw-atrophy-via-the-digital-workflow-a-preliminary-clinical-study\/","title":{"rendered":"The “Zero-Gap Protocol” for the Rehabilitation of Severe Jaw Atrophy via the Digital Workflow: A Preliminary Clinical Study"},"content":{"rendered":"\t\t
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The “Zero-Gap Protocol” for the Rehabilitation of Severe Jaw Atrophy via the Digital Workflow: A Preliminary Clinical Study<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t
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Alberto Gasbarri, Giulia Caporro, Antonio Capogreco, Maurizio D\u2019Amario, Giulia Ciciarelli\u00a0<\/span>and Filippo Giovannetti<\/p>

1<\/span> Postgraduate School of Oral Surgery, Department of Life, Health and Environmental Sciences,<\/p>

University of L\u2019Aquila, 67100 L\u2019Aquila, Italy<\/p>

2<\/span> Department of Life, Health and Environmental Sciences, University of L\u2019Aquila, 67100 L\u2019Aquila, Italy<\/p>

* Correspondence: alberto.gasbarri@student.univaq.it<\/p>

Abstract<\/b><\/p>

Background:<\/b> Severe jaw atrophy (Cawood and Howell Class V\u2013VI) often renders conventional endosseous implantation unfeasible due to the lack of medullary bone and vascularization. This study presents a digital workflow for customized subperiosteal implants designed to eliminate bone segmentation errors and ensure optimal passive fit.<\/p>

Methods:<\/b> Two clinical cases of severe atrophy\u2014a full-arch maxillary rehabilitation and a unilateral partial rehabilitation\u2014were treated using a prosthetic-driven CAD\/CAM workflow. Key innovations included densitometric mapping using Hounsfield Units (HU) to identify high-mineralization zones (+1200 to +1800 HU) for strategic screw fixation. Intraoperatively, cobalt\u2013chrome osteoplasty guides and PMMA check-templates were utilized to validate bone segmentation accuracy in vivo and regularize the cortical base.<\/p>

Results:<\/b> The protocol achieved high precision with a monitored alignment deviation of 0.2 mm. At the 2-year follow-up, clinical and radiographic evaluations (CBCT) confirmed the total absence of gaps at the bone\u2013implant interface. No signs of peri-implantitis, osteolysis, or progressive bone loss were observed, and soft tissues remained stable and healthy.<\/p>

Discussion:<\/b> Success was driven by the rigorous management of the bone\u2013implant interface and the use of preparatory surgical devices to bridge the gap between digital planning and surgical reality. The mechanical stability achieved through divergent fixation vectors prevented stress shielding by converting shear forces into compression, stimulating basal bone density according to Wolff\u2019s Law.<\/p>

Conclusions:<\/b> The standardized digital workflow and the use of preparatory surgical devices in this preliminary study showed that complex rehabilitations can be performed with favorable short-term outcomes. While this approach reduces surgical time and biological stress, further prospective studies are required to confirm its clinical predictability and define next-generation subperiosteal implants as a valid alternative for the management of severely atrophic cases.<\/p>

Keywords:<\/b> subperiosteal implants; maxillary atrophy; bone segmentation; stereolithographic models; immediate loading<\/p>

CLICK HERE<\/b><\/a>\u00a0TO CHECK THE COMPLETE ARTICLE<\/strong><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Post Recenti<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\r\n\t\t\t\t\t\t\t\tImplant-prosthetic rehabilitation of the atrophic posterior mandible with additively manufactured custom-made subperiosteal implants: a cohort study<\/span><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t
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\r\n\t\t\t\r\n\t\t\t\tImplant-prosthetic rehabilitation of the atrophic posterior mandible with additively manufactured custom-made subperiosteal implants: a cohort study\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t
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L. A. Vaira, A. Biglio, A. Favro, G. Salzano, V. Abbate, J. R. Lechien, G. \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t

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\r\n\t\t\t\t\t\t\t\tCan Bone Compaction Improve Primary Implant Stability? An In Vitro Comparative Study with Osseodensification Technique<\/span><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t
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\r\n\t\t\t\r\n\t\t\t\tCan Bone Compaction Improve Primary Implant Stability? An In Vitro Comparative Study with Osseodensification Technique\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t
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Alessandro Antonelli 1,* , Francesco Bennardo 1 , Ylenia Brancaccio 1, Selene Barone 1 , \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t

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\r\n\t\t\t\t\t\t\t\tPrimary Stability of Three Different Osteotomy Techniques in Medullary Bone: An in Vitro Study<\/span><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t
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\r\n\t\t\t\r\n\t\t\t\tPrimary Stability of Three Different Osteotomy Techniques in Medullary Bone: An in Vitro Study\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t
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Ferdinando Attanasio, Alessandro Antonelli * , Ylenia Brancaccio, Fiorella Averta, Michele Mario Figliuzzi, Leonzio Fortunato \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t

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\r\n\t\t\t\t\t\t\t\tGraftless Maxillary Sinus Lifting with Simultaneous Dental Implant placement in Extraction Socket and Edentulous Ridge: A prospective Clinical Study<\/span><\/a>\r\n\t\t\t\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\r\n\t\t\t\t\t\t\t\t\t\t\t\t
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\r\n\t\t\t\r\n\t\t\t\tGraftless Maxillary Sinus Lifting with Simultaneous Dental Implant placement in Extraction Socket and Edentulous Ridge: A prospective Clinical Study\t\t\t<\/a>\r\n\t\t<\/h2>\r\n\t\t\t\t
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Mohammed Mansoor Albadani 1, Mohammed Ali Al-wesabi 2, Sadam Ahmed Elayah 3 1 Department of \u2026<\/p>\t\t<\/div>\r\n\t\t\t\t\t\t\t\r\n\t\t\t\t<\/div>\r\n\t\t\t<\/div>\r\n\t\t<\/div>\r\n\r\n\t\t\t\t<\/div>\r\n\r\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t

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Alberto Gasbarri, Giulia Caporro, Antonio Capogreco, Maurizio D\u2019Amario, Giulia Ciciarelli\u00a0and Filippo Giovannetti 1 Postgraduate School of Oral Surgery, Department of Life, Health and Environmental Sciences, University of L\u2019Aquila, 67100 L\u2019Aquila, Italy 2 Department of Life, Health and Environmental Sciences, University of L\u2019Aquila, 67100 L\u2019Aquila, Italy * Correspondence: alberto.gasbarri@student.univaq.it Abstract Background: Severe jaw atrophy (Cawood and […]<\/p>\n","protected":false},"author":3,"featured_media":1987,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[],"class_list":["post-6271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-letteratura"],"yoast_head":"\nThe "Zero-Gap Protocol" for the Rehabilitation of Severe Jaw Atrophy via the Digital Workflow: A Preliminary Clinical Study - B&B Dental<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/bebdental.it\/en\/the-zero-gap-protocol-for-the-rehabilitation-of-severe-jaw-atrophy-via-the-digital-workflow-a-preliminary-clinical-study\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The "Zero-Gap Protocol" for the Rehabilitation of Severe Jaw Atrophy via the Digital Workflow: A Preliminary Clinical Study - 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