Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis
<b>Background/Objectives:</b> This retrospective study assessed the accuracy of implant positioning with dynamic computer-aided implant surgery (dCAIS) for Toronto Bridge fabrication, using a conometric prosthetic concept and a new intraoral splinting technique (CLIKSS). It compared disc...
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MDPI AG
2025-06-01
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| Series: | Osteology |
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| Online Access: | https://www.mdpi.com/2673-4036/5/2/18 |
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| author | Luca Comuzzi Tea Romasco Massimo Del Fabbro Margherita Tumedei Luca Signorini Francesco Inchingolo Lorenzo Montesani Giulia Marchioli Carlos Fernando Mourão Adriano Piattelli Natalia Di Pietro |
| author_facet | Luca Comuzzi Tea Romasco Massimo Del Fabbro Margherita Tumedei Luca Signorini Francesco Inchingolo Lorenzo Montesani Giulia Marchioli Carlos Fernando Mourão Adriano Piattelli Natalia Di Pietro |
| author_sort | Luca Comuzzi |
| collection | DOAJ |
| description | <b>Background/Objectives:</b> This retrospective study assessed the accuracy of implant positioning with dynamic computer-aided implant surgery (dCAIS) for Toronto Bridge fabrication, using a conometric prosthetic concept and a new intraoral splinting technique (CLIKSS). It compared discrepancies across various anatomical regions, bone qualities, and implant sites. <b>Methods</b>: This study involved 52 patients undergoing full-arch rehabilitation (17 in the mandible, 30 in the maxilla, and 5 in both), with 366 implants placed (125 in the mandible, 241 in the maxilla; 128 in post-extraction sites, and the remainder in healed sites). All implants were immediately loaded. Precision was assessed by measuring linear and three-dimensional (3D) angular deviations between planned and actual implant positions. <b>Results</b>: Measurement errors for apical linear and 3D deviations at the apex and entry point ranged from 0.24 ± 0.10 to 0.55 ± 0.57 mm, and angular deviations varied from 0.32 ± 0.65° to 0.35 ± 0.71°. Maxillary measurements were significantly higher at the entry, apical, and vertical levels, even when comparing anterior and posterior regions with the corresponding mandibular areas, while no differences were found in the angular deviation. Significant discrepancies were observed among different mandibular bone types. Maxillary post-extraction sites exhibited significantly greater deviations than mandibular sites in all parameters except angular deviation. No significant differences were found between healed and post-extraction sites within the same jaw. <b>Conclusions</b>: dCAIS improved implant placement accuracy, leading to predictable prosthetic outcomes, especially during parallel multi-implant insertions. This report introduced dCAIS for conometric/biconometric implant placement combined with the innovative CLIKSS technique as an effective intraoral split method for this prosthesis connection. |
| format | Article |
| id | doaj-art-17b30fe9a7dc4804a401cf011c3ec0ec |
| institution | OA Journals |
| issn | 2673-4036 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Osteology |
| spelling | doaj-art-17b30fe9a7dc4804a401cf011c3ec0ec2025-08-20T02:21:46ZengMDPI AGOsteology2673-40362025-06-01521810.3390/osteology5020018Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series AnalysisLuca Comuzzi0Tea Romasco1Massimo Del Fabbro2Margherita Tumedei3Luca Signorini4Francesco Inchingolo5Lorenzo Montesani6Giulia Marchioli7Carlos Fernando Mourão8Adriano Piattelli9Natalia Di Pietro10Independent Researcher, 31020 San Vendemiano, ItalyDepartment of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technologies (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, ItalyDepartment of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, ItalyDepartment of Biomedical, Surgical and Dental Sciences, University of Milan, 20122 Milan, ItalySchool of Dentistry, Saint Camillus International University for Health Sciences, 00131 Rome, ItalyDepartment of Interdisciplinary Medicine, University of Bari “Aldo Moro”, 70121 Bari, ItalyIndependent Researcher, 00187 Rome, ItalyDepartment of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technologies (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, ItalyDepartment of Basic and Clinical Translational Sciences, School of Dental Medicine, Tufts University, Boston, MA 02111, USASchool of Dentistry, Saint Camillus International University for Health Sciences, 00131 Rome, ItalyDepartment of Medical, Oral and Biotechnological Sciences, Center for Advanced Studies and Technologies (CAST), “G. d’Annunzio” University of Chieti-Pescara, 66100 Chieti, Italy<b>Background/Objectives:</b> This retrospective study assessed the accuracy of implant positioning with dynamic computer-aided implant surgery (dCAIS) for Toronto Bridge fabrication, using a conometric prosthetic concept and a new intraoral splinting technique (CLIKSS). It compared discrepancies across various anatomical regions, bone qualities, and implant sites. <b>Methods</b>: This study involved 52 patients undergoing full-arch rehabilitation (17 in the mandible, 30 in the maxilla, and 5 in both), with 366 implants placed (125 in the mandible, 241 in the maxilla; 128 in post-extraction sites, and the remainder in healed sites). All implants were immediately loaded. Precision was assessed by measuring linear and three-dimensional (3D) angular deviations between planned and actual implant positions. <b>Results</b>: Measurement errors for apical linear and 3D deviations at the apex and entry point ranged from 0.24 ± 0.10 to 0.55 ± 0.57 mm, and angular deviations varied from 0.32 ± 0.65° to 0.35 ± 0.71°. Maxillary measurements were significantly higher at the entry, apical, and vertical levels, even when comparing anterior and posterior regions with the corresponding mandibular areas, while no differences were found in the angular deviation. Significant discrepancies were observed among different mandibular bone types. Maxillary post-extraction sites exhibited significantly greater deviations than mandibular sites in all parameters except angular deviation. No significant differences were found between healed and post-extraction sites within the same jaw. <b>Conclusions</b>: dCAIS improved implant placement accuracy, leading to predictable prosthetic outcomes, especially during parallel multi-implant insertions. This report introduced dCAIS for conometric/biconometric implant placement combined with the innovative CLIKSS technique as an effective intraoral split method for this prosthesis connection.https://www.mdpi.com/2673-4036/5/2/18accuracyconometric connectiondynamic computer-aided implant surgery (dCAIS)full-arch restorationnavigated implant surgerybiconometric concept |
| spellingShingle | Luca Comuzzi Tea Romasco Massimo Del Fabbro Margherita Tumedei Luca Signorini Francesco Inchingolo Lorenzo Montesani Giulia Marchioli Carlos Fernando Mourão Adriano Piattelli Natalia Di Pietro Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis Osteology accuracy conometric connection dynamic computer-aided implant surgery (dCAIS) full-arch restoration navigated implant surgery biconometric concept |
| title | Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis |
| title_full | Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis |
| title_fullStr | Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis |
| title_full_unstemmed | Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis |
| title_short | Accuracy of Dynamic Computer-Aided Implant Surgery for Biconometric Implant Positioning: A Retrospective Case Series Analysis |
| title_sort | accuracy of dynamic computer aided implant surgery for biconometric implant positioning a retrospective case series analysis |
| topic | accuracy conometric connection dynamic computer-aided implant surgery (dCAIS) full-arch restoration navigated implant surgery biconometric concept |
| url | https://www.mdpi.com/2673-4036/5/2/18 |
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