{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,2]],"date-time":"2026-11-02T00:07:01Z","timestamp":1793578021161,"version":"4.5.0"},"reference-count":31,"publisher":"Springer Science and Business Media LLC","issue":"1","license":[{"start":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T00:00:00Z","timestamp":1736121600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T00:00:00Z","timestamp":1736121600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100002352","name":"Ain Shams University","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100002352","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["BMC Oral Health"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Objective<\/jats:title>\n                <jats:p>This study aimed to evaluate the clinical performance (degree of trueness) of a novel scan body \u201ctooth-modified Scan body\u201d (TMSB)&amp; conventional scan body (CSB) in implant-supported full arch screw retained cases.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Methods<\/jats:title>\n                <jats:p>Seven edentulous arches (two maxillae, five mandibles) in 6 patients were rehabilitated with monolithic zirconia screw-retained implant prostheses supported by 4 (<jats:italic>n<\/jats:italic>\u2009=\u20091) and 5 implants (<jats:italic>n<\/jats:italic>\u2009=\u20096) for a total amount of 34 implants. Implant locations were scanned by intra-oral scanner (IOS) using two types of scan bodies, conventional scan bodies (CSB) in group (1) and tooth-modified scan bodies (TMSB) in group (2). 68 implant positions (representing the total sample size) were captured and compared to the relative reference scans regarding angular and Euclidian deviation (\u0394EUC).<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>The \u0394EUC deviation Of TMSB group had lower values (M\u2009=\u200961.46, SD\u2009=\u200942.12) than that Of CSB group (M\u2009=\u200997.97, SD\u2009=\u200956.69). This difference was statistically significant (<jats:italic>p<\/jats:italic>\u2009=\u2009.005), 95% Confidence interval. The angular deviation of TMSC group had lower values (M\u2009=\u20090.85, SD\u2009=\u20090.69) than that Of CSB group (M\u2009=\u20091.3, SD\u2009=\u20091.06) which was statistically significant (<jats:italic>p<\/jats:italic>\u2009=\u2009.033), 95% Confidence interval. There was a correlation between the type of Jaw and both angular and \u0394EUC deviation of both groups, which was statistically significant.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>A tooth-modified scan body (TMSB) may improve the ease and trueness of full-arch implant scanning, even in challenging mandibular arches.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Clinical trial registry date<\/jats:title>\n                <jats:p>Retrospectively registered in 20\/ 12\/ 2023.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Clinical trial registry number<\/jats:title>\n                <jats:p>NCT06177782.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s12903-024-05172-y","type":"journal-article","created":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T14:03:36Z","timestamp":1736172216000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Trueness of tooth modified scan bodies as a novel technique for edentulous full arch implant supported dental prosthesis: an in vivo prospective comparative study"],"prefix":"10.1186","volume":"25","author":[{"given":"Abdelrahman K.","family":"Eldabe","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0254-0890","authenticated-orcid":false,"given":"Doaa","family":"Adel-Khattab","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kirollos H.","family":"Botros","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,1,6]]},"reference":[{"key":"5172_CR1","doi-asserted-by":"publisher","first-page":"465","DOI":"10.1111\/clr.12567","volume":"27","author":"P Papaspyridakos","year":"2016","unstructured":"Papaspyridakos P, Gallucci GO, Chen CJ, Hanssen S, Naert I, Vandenberghe B. Digital versus conventional implant impressions for edentulous patients: accuracy outcomes. Clin Oral Implants Res. 2016;27:465\u201372.","journal-title":"Clin Oral Implants Res"},{"key":"5172_CR2","doi-asserted-by":"publisher","first-page":"1250","DOI":"10.1111\/clr.13549","volume":"30","author":"M Iturrate","year":"2019","unstructured":"Iturrate M, Eguiraun H, Solaberrieta E. Accuracy of digital impressions for implant-supported complete-arch prosthesis, using an auxiliary geometry part\u2014An in vitro study. Clin Oral Implants Res. 2019;30:1250\u20138.","journal-title":"Clin Oral Implants Res"},{"key":"5172_CR3","doi-asserted-by":"publisher","first-page":"128","DOI":"10.1016\/j.jpor.2019.06.001","volume":"64","author":"L Arcuri","year":"2020","unstructured":"Arcuri L, Pozzi A, Lio F, Rompen E, Zechner W, Nardi A. Influence of implant scanbody material, position and operator on the accuracy of digital impression for complete-arch: a randomized in vitro trial. J Prosthodont Res. 2020;64:128\u201336.","journal-title":"J Prosthodont Res"},{"key":"5172_CR4","doi-asserted-by":"publisher","first-page":"433","DOI":"10.11607\/ijp.4035","volume":"27","author":"V Hoods-Moonsammy","year":"2014","unstructured":"Hoods-Moonsammy V, Owen CP, Howes D. A comparison of the Accuracy of Polyether, Polyvinyl Siloxane, and plaster impressions for Long-Span Implant-supported prostheses. Int J Prosthodont. 2014;27:433\u20138.","journal-title":"Int J Prosthodont"},{"key":"5172_CR5","doi-asserted-by":"publisher","first-page":"7068","DOI":"10.3390\/app13127068","volume":"13","author":"A Leggeri","year":"2023","unstructured":"Leggeri A, Carosi P, Mazzetti V, Arcuri C, Lorenzi C. Techniques to improve the Accuracy of Intraoral Digital Impression in Complete Edentulous arches: a narrative review. Appl Sci. 2023;13:7068.","journal-title":"Appl Sci"},{"key":"5172_CR6","doi-asserted-by":"publisher","first-page":"836","DOI":"10.11607\/jomi.3625","volume":"29","author":"P Papaspyridakos","year":"2014","unstructured":"Papaspyridakos P, Chen C-J, Gallucci G, Doukoudakis A, Weber H-P, Chronopoulos V. Accuracy of Implant impressions for partially and completely edentulous patients: a systematic review. Int J Oral Maxillofac Implants. 2014;29:836\u201345.","journal-title":"Int J Oral Maxillofac Implants"},{"key":"5172_CR7","doi-asserted-by":"publisher","first-page":"83","DOI":"10.1016\/S0022-3913(12)60111-5","volume":"108","author":"P Papaspyridakos","year":"2012","unstructured":"Papaspyridakos P, Lal MSK, George MS, White S. Effect of splinted and nonsplinted impression techniques on the accuracy of fit of fixed implant prostheses in edentulous patients: a comparative study. J Prosthet Dent. 2012;108:83.","journal-title":"J Prosthet Dent"},{"key":"5172_CR8","first-page":"38","volume":"25","author":"R Hariharan","year":"2010","unstructured":"Hariharan R, Shankar C, Rajan M, Baig MR, Azhagarasan NS. Evaluation of accuracy of multiple dental implant impressions using various splinting materials. Int J Oral Maxillofac Implants. 2010;25:38\u201344.","journal-title":"Int J Oral Maxillofac Implants"},{"key":"5172_CR9","doi-asserted-by":"publisher","first-page":"141","DOI":"10.4103\/jips.jips_379_19","volume":"20","author":"S Kachhara","year":"2020","unstructured":"Kachhara S, Nallaswamy D, Ganapathy DM, Sivaswamy V, Rajaraman V. Assessment of intraoral scanning technology for multiple implant impressions - a systematic review and meta-analysis. J Indian Prosthodontic Soc. 2020;20:141\u201352.","journal-title":"J Indian Prosthodontic Soc"},{"key":"5172_CR10","first-page":"101","volume":"10","author":"V Rutkunas","year":"2017","unstructured":"Rutkunas V, Ge\u010diauskaite A, Jegelevi\u010dius D, Vaitiekunas M. Accuracy of digital implant impressions with intraoral scanners. A systematic review. Eur J Oral Implantol. 2017;10:101\u201320.","journal-title":"Eur J Oral Implantol"},{"key":"5172_CR11","doi-asserted-by":"publisher","first-page":"121","DOI":"10.1016\/S0022-3913(13)60028-1","volume":"109","author":"A Ender","year":"2013","unstructured":"Ender A, Mehl A. Accuracy of complete-arch dental impressions: a new method of measuring trueness and precision. J Prosthet Dent. 2013;109:121\u20138.","journal-title":"J Prosthet Dent"},{"key":"5172_CR12","doi-asserted-by":"publisher","first-page":"313","DOI":"10.1016\/j.prosdent.2015.09.011","volume":"115","author":"A Ender","year":"2016","unstructured":"Ender A, Attin T, Mehl A. In vivo precision of conventional and digital methods of obtaining complete-arch dental impressions. J Prosthet Dent. 2016;115:313\u201320.","journal-title":"J Prosthet Dent"},{"key":"5172_CR13","doi-asserted-by":"publisher","first-page":"844","DOI":"10.1016\/j.prosdent.2021.08.018","volume":"129","author":"A Paratelli","year":"2023","unstructured":"Paratelli A, Vania S, G\u00f3mez-Polo C, Ortega R, Revilla-Le\u00f3n M, G\u00f3mez-Polo M. Techniques to improve the accuracy of complete arch implant intraoral digital scans: a systematic review. J Prosthet Dent. 2023;129:844\u201354.","journal-title":"J Prosthet Dent"},{"key":"5172_CR14","doi-asserted-by":"publisher","first-page":"4","DOI":"10.1186\/s40510-020-00337-1","volume":"21","author":"YG Moon","year":"2020","unstructured":"Moon YG, Lee KM. Comparison of the accuracy of intraoral scans between complete-arch scan and quadrant scan. Prog Orthod. 2020;21:4\u20139.","journal-title":"Prog Orthod"},{"key":"5172_CR15","doi-asserted-by":"crossref","unstructured":"Yilmaz B, Gouveia D, Marques VR, Diker E, Schimmel M, Abou-Ayash S. The accuracy of single implant scans with a healing abutment-scanpeg system compared with the scans of a scanbody and conventional impressions: an in vitro study. J Dent. 2021;110.","DOI":"10.1016\/j.jdent.2021.103684"},{"key":"5172_CR16","doi-asserted-by":"publisher","first-page":"237","DOI":"10.1111\/cid.12885","volume":"22","author":"V Rutkunas","year":"2020","unstructured":"Rutkunas V, Larsson C, von Vult P, Mangano F, Gedrimiene A. Clinical and laboratory passive fit assessment of implant-supported zirconia restorations fabricated using conventional and digital workflow. Clin Implant Dent Relat Res. 2020;22:237\u201345.","journal-title":"Clin Implant Dent Relat Res"},{"key":"5172_CR17","first-page":"121","volume":"10","author":"J Katsoulis","year":"2017","unstructured":"Katsoulis J, Takeichi T, Gaviria AS, Peter L, Katsoulis K. Misfit of implant prostheses and its impact on clinical outcomes. Definition, assessment and a systematic review of the literature. Eur J Oral Implantol. 2017;10:121\u201338.","journal-title":"Eur J Oral Implantol"},{"key":"5172_CR18","doi-asserted-by":"publisher","unstructured":"Pozzi A, Carosi P, Gallucci GO, Nagy K, Nardi A, Arcuri L, July. https:\/\/doi.org\/10.1111\/clr.14141.","DOI":"10.1111\/clr.14141"},{"key":"5172_CR19","doi-asserted-by":"publisher","first-page":"96","DOI":"10.1016\/j.prosdent.2019.01.003","volume":"123","author":"RM Mizumoto","year":"2020","unstructured":"Mizumoto RM, Yilmaz B, McGlumphy EA, Seidt J, Johnston WM. Accuracy of different digital scanning techniques and scan bodies for complete-arch implant-supported prostheses. J Prosthet Dent. 2020;123:96\u2013104.","journal-title":"J Prosthet Dent"},{"key":"5172_CR20","doi-asserted-by":"crossref","unstructured":"Kanjanasavitree P, Thammajaruk P, Guazzato M. Comparison of different artificial landmarks and scanning patterns on the complete-arch implant intraoral digital scans. J Dent. 2022;125 August.","DOI":"10.1016\/j.jdent.2022.104266"},{"key":"5172_CR21","doi-asserted-by":"publisher","first-page":"52","DOI":"10.1016\/j.prosdent.2016.01.006","volume":"116","author":"C Manzella","year":"2016","unstructured":"Manzella C, Bignardi C, Burello V, Carossa S, Schierano G. Method to improve passive fit of frameworks on implant-supported prostheses: an in vitro study. J Prosthet Dent. 2016;116:52\u20138.","journal-title":"J Prosthet Dent"},{"key":"5172_CR22","unstructured":"Jemt T. In vivo measurements of precision of fit involving implant-supported prostheses in the edentulous jaw. Int J Oral Maxillofac Implants. 1996;11(2):151-8."},{"key":"5172_CR23","unstructured":"Jemt T, Book K. Prosthesis misfit and marginal bone loss in edentulous implant patients. Int J Oral Maxillofac Implants. 1996;11(5):620-5."},{"key":"5172_CR24","doi-asserted-by":"publisher","first-page":"212","DOI":"10.1016\/j.prosdent.2021.09.035","volume":"130","author":"YJ Zhang","year":"2023","unstructured":"Zhang YJ, Qian SJ, Lai HC, Shi JY. Accuracy of photogrammetric imaging versus conventional impressions for complete arch implant-supported fixed dental prostheses: a comparative clinical study. J Prosthet Dent. 2023;130:212\u20138.","journal-title":"J Prosthet Dent"},{"key":"5172_CR25","doi-asserted-by":"crossref","unstructured":"Orejas-Perez J, Gimenez-Gonzalez B, Ortiz-Collado I, Thuissard IJ, Santamaria-Laorden A. In vivo Complete-Arch Implant Digital impressions: comparison of the Precision of three Optical Impression systems. Int J Environ Res Public Health. 2022;19.","DOI":"10.3390\/ijerph19074300"},{"key":"5172_CR26","doi-asserted-by":"publisher","first-page":"1495","DOI":"10.1007\/s00784-015-1641-y","volume":"20","author":"A Ender","year":"2016","unstructured":"Ender A, Zimmermann M, Attin T, Mehl A. In vivo precision of conventional and digital methods for obtaining quadrant dental impressions. Clin Oral Investig. 2016;20:1495\u2013504.","journal-title":"Clin Oral Investig"},{"key":"5172_CR27","doi-asserted-by":"publisher","first-page":"1099","DOI":"10.1111\/clr.12695","volume":"27","author":"P Papaspyridakos","year":"2016","unstructured":"Papaspyridakos P, Hirayama H, Chen CJ, Ho CH, Chronopoulos V, Weber HP. Full-arch implant fixed prostheses: a comparative study on the effect of connection type and impression technique on accuracy of fit. Clin Oral Implants Res. 2016;27:1099\u2013105.","journal-title":"Clin Oral Implants Res"},{"key":"5172_CR28","doi-asserted-by":"publisher","first-page":"1444","DOI":"10.1111\/clr.13844","volume":"32","author":"V Rutkunas","year":"2021","unstructured":"Rutkunas V, Gedrimiene A, Akulauskas M, Fehmer V, Sailer I, Jegelevicius D. In vitro and in vivo accuracy of full-arch digital implant impressions. Clin Oral Implants Res. 2021;32:1444\u201354.","journal-title":"Clin Oral Implants Res"},{"key":"5172_CR29","doi-asserted-by":"publisher","first-page":"676","DOI":"10.1111\/j.1600-0501.2011.02219.x","volume":"23","author":"P Papaspyridakos","year":"2012","unstructured":"Papaspyridakos P, Benic GI, Hogsett VL, White GS, Lal K, Gallucci GO. Accuracy of implant casts generated with splinted and non-splinted impression techniques for edentulous patients: an optical scanning study. Clin Oral Implants Res. 2012;23:676\u201381.","journal-title":"Clin Oral Implants Res"},{"key":"5172_CR30","doi-asserted-by":"publisher","first-page":"281","DOI":"10.1111\/jopr.13162","volume":"29","author":"K Chochlidakis","year":"2020","unstructured":"Chochlidakis K, Papaspyridakos P, Tsigarida A, Romeo D, Chen Y, wei, Natto Z, et al. Digital Versus Conventional full-Arch Implant impressions: a prospective study on 16 Edentulous Maxillae. J Prosthodont. 2020;29:281\u20136.","journal-title":"J Prosthodont"},{"key":"5172_CR31","doi-asserted-by":"publisher","first-page":"160","DOI":"10.1016\/j.prosdent.2021.05.019","volume":"129","author":"M Revilla-Le\u00f3n","year":"2023","unstructured":"Revilla-Le\u00f3n M, Rubenstein J, Methani MM, Piedra-Casc\u00f3n W, \u00d6zcan M, Att W. Trueness and precision of complete-arch photogrammetry implant scanning assessed with a coordinate-measuring machine. J Prosthet Dent. 2023;129:160\u20135.","journal-title":"J Prosthet Dent"}],"container-title":["BMC Oral Health"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-024-05172-y.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1186\/s12903-024-05172-y\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1186\/s12903-024-05172-y.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,1,6]],"date-time":"2025-01-06T15:03:41Z","timestamp":1736175821000},"score":1,"resource":{"primary":{"URL":"https:\/\/bmcoralhealth.biomedcentral.com\/articles\/10.1186\/s12903-024-05172-y"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2025,1,6]]},"references-count":31,"journal-issue":{"issue":"1","published-online":{"date-parts":[[2025,12]]}},"alternative-id":["5172"],"URL":"https:\/\/doi.org\/10.1186\/s12903-024-05172-y","relation":{},"ISSN":["1472-6831"],"issn-type":[{"value":"1472-6831","type":"electronic"}],"subject":[],"published":{"date-parts":[[2025,1,6]]},"assertion":[{"value":"4 September 2024","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"8 November 2024","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"6 January 2025","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Declarations"}},{"value":"All the performed procedures were conducted according to the ethical principles and standards of the institutional and national research committee and with the Declaration of Helsinki and its later amendments (revised in October 2018). The study protocol was independently reviewed and approved by the Institutional Ethical Committee, Faculty of Dentistry, Ain Shams University (FDASU-RecIR112315). Informed written consent was obtained from all individual participants included in the study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"Not applicable.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"29"}}