Boldizsár Vánkos, Dénes Palaszkó, Kata Kelemen, Anna Németh, Judit Schmalzl, Dániel Márk Zentai, Elek Dinya, Péter Hermann, Barbara Kispélyi
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Models built from intraoral scans were additively fabricated, and open-tray impressions were poured with type-4 dental stone. The prepared models were digitized using a desktop scanner with an accuracy of 4 μm (E4, 3Shape; Copenhagen, Denmark) and superimposed on the reference scan. Four linear distances and root mean square (RMS) deviations were measured using metrology software.</p>\n </section>\n \n <section>\n \n <h3> Results</h3>\n \n <p>Five dimensions were measured using signed and absolute deviations, resulting in nine outcomes. RMS and diagonal deviations provided the most insight into overall model deviations. Mean RMS deviations were: 58.30 (14.95) μm for CC_conv, 47.66 (13.04) μm for On1_conv, 204.97 (37.40) μm for CC_dig, and 136.64 (13.49) μm for On1_dig. Significant differences were found between On1_conv vs. CC_dig, On1_conv vs. On1_dig, and CC_conv vs. CC_dig. Mean linear deviations between the molar positions were: 24.49 (58.20) μm for CC_conv, 87.46 (106.70) μm for On1_conv, −104.76 (125.83) μm for CC_dig, and 140.64 (190.56) μm for On1_dig. Significant differences were observed between On1_conv vs. CC_dig and CC_dig vs. On1_dig.</p>\n </section>\n \n <section>\n \n <h3> Conclusions</h3>\n \n <p>Based on the RMS deviations, the conventional method is significantly more accurate at both implant and platform levels in the case of an in vitro edentulous lower jaw model. The RMS deviations of the implant analogs are smaller on the platform level with both conventional and digital methods.</p>\n </section>\n </div>","PeriodicalId":50679,"journal":{"name":"Clinical Implant Dentistry and Related Research","volume":"27 3","pages":""},"PeriodicalIF":3.7000,"publicationDate":"2025-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/cid.70036","citationCount":"0","resultStr":"{\"title\":\"Enhancing Implant Prosthodontics: In Vitro Accuracy of Coded Healing Abutments on the Edentulous Lower Jaw\",\"authors\":\"Boldizsár Vánkos, Dénes Palaszkó, Kata Kelemen, Anna Németh, Judit Schmalzl, Dániel Márk Zentai, Elek Dinya, Péter Hermann, Barbara Kispélyi\",\"doi\":\"10.1111/cid.70036\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div>\\n \\n \\n <section>\\n \\n <h3> Objective</h3>\\n \\n <p>This study aimed to investigate the accuracy of conventional and digital impression-making and cast-fabrication using coded healing abutments on an edentulous mandibular model under in vitro conditions.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Materials and Methods</h3>\\n \\n <p>Our study investigated the accuracy of the On1 Concept (Nobel Biocare; Kloten, Switzerland) coded healing abutment system using conventional and digital workflows. The Conical Connection (CC) system (Nobel Biocare; Kloten, Switzerland) was used as the control group in both workflows. 10–10 open-tray impressions and intraoral scans were made from the reference model with each system. Models built from intraoral scans were additively fabricated, and open-tray impressions were poured with type-4 dental stone. The prepared models were digitized using a desktop scanner with an accuracy of 4 μm (E4, 3Shape; Copenhagen, Denmark) and superimposed on the reference scan. Four linear distances and root mean square (RMS) deviations were measured using metrology software.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Results</h3>\\n \\n <p>Five dimensions were measured using signed and absolute deviations, resulting in nine outcomes. RMS and diagonal deviations provided the most insight into overall model deviations. Mean RMS deviations were: 58.30 (14.95) μm for CC_conv, 47.66 (13.04) μm for On1_conv, 204.97 (37.40) μm for CC_dig, and 136.64 (13.49) μm for On1_dig. Significant differences were found between On1_conv vs. CC_dig, On1_conv vs. On1_dig, and CC_conv vs. CC_dig. Mean linear deviations between the molar positions were: 24.49 (58.20) μm for CC_conv, 87.46 (106.70) μm for On1_conv, −104.76 (125.83) μm for CC_dig, and 140.64 (190.56) μm for On1_dig. Significant differences were observed between On1_conv vs. CC_dig and CC_dig vs. On1_dig.</p>\\n </section>\\n \\n <section>\\n \\n <h3> Conclusions</h3>\\n \\n <p>Based on the RMS deviations, the conventional method is significantly more accurate at both implant and platform levels in the case of an in vitro edentulous lower jaw model. 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Enhancing Implant Prosthodontics: In Vitro Accuracy of Coded Healing Abutments on the Edentulous Lower Jaw
Objective
This study aimed to investigate the accuracy of conventional and digital impression-making and cast-fabrication using coded healing abutments on an edentulous mandibular model under in vitro conditions.
Materials and Methods
Our study investigated the accuracy of the On1 Concept (Nobel Biocare; Kloten, Switzerland) coded healing abutment system using conventional and digital workflows. The Conical Connection (CC) system (Nobel Biocare; Kloten, Switzerland) was used as the control group in both workflows. 10–10 open-tray impressions and intraoral scans were made from the reference model with each system. Models built from intraoral scans were additively fabricated, and open-tray impressions were poured with type-4 dental stone. The prepared models were digitized using a desktop scanner with an accuracy of 4 μm (E4, 3Shape; Copenhagen, Denmark) and superimposed on the reference scan. Four linear distances and root mean square (RMS) deviations were measured using metrology software.
Results
Five dimensions were measured using signed and absolute deviations, resulting in nine outcomes. RMS and diagonal deviations provided the most insight into overall model deviations. Mean RMS deviations were: 58.30 (14.95) μm for CC_conv, 47.66 (13.04) μm for On1_conv, 204.97 (37.40) μm for CC_dig, and 136.64 (13.49) μm for On1_dig. Significant differences were found between On1_conv vs. CC_dig, On1_conv vs. On1_dig, and CC_conv vs. CC_dig. Mean linear deviations between the molar positions were: 24.49 (58.20) μm for CC_conv, 87.46 (106.70) μm for On1_conv, −104.76 (125.83) μm for CC_dig, and 140.64 (190.56) μm for On1_dig. Significant differences were observed between On1_conv vs. CC_dig and CC_dig vs. On1_dig.
Conclusions
Based on the RMS deviations, the conventional method is significantly more accurate at both implant and platform levels in the case of an in vitro edentulous lower jaw model. The RMS deviations of the implant analogs are smaller on the platform level with both conventional and digital methods.
期刊介绍：
The goal of Clinical Implant Dentistry and Related Research is to advance the scientific and technical aspects relating to dental implants and related scientific subjects. Dissemination of new and evolving information related to dental implants and the related science is the primary goal of our journal.
The range of topics covered by the journals will include but be not limited to:
New scientific developments relating to bone
Implant surfaces and their relationship to the surrounding tissues
Computer aided implant designs
Computer aided prosthetic designs
Immediate implant loading
Immediate implant placement
Materials relating to bone induction and conduction
New surgical methods relating to implant placement
New materials and methods relating to implant restorations
Methods for determining implant stability
A primary focus of the journal is publication of evidenced based articles evaluating to new dental implants, techniques and multicenter studies evaluating these treatments. In addition basic science research relating to wound healing and osseointegration will be an important focus for the journal.
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