{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,21]],"date-time":"2026-08-21T12:12:18Z","timestamp":1787314338713,"version":"build-2736575974"},"reference-count":52,"publisher":"Springer Science and Business Media LLC","issue":"5","license":[{"start":{"date-parts":[[2023,1,14]],"date-time":"2023-01-14T00:00:00Z","timestamp":1673654400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2023,1,14]],"date-time":"2023-01-14T00:00:00Z","timestamp":1673654400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100005941","name":"Dietmar Hopp Stiftung","doi-asserted-by":"publisher","award":["1DH2011152"],"award-info":[{"award-number":["1DH2011152"]}],"id":[{"id":"10.13039\/501100005941","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100005941","name":"Dietmar Hopp Stiftung","doi-asserted-by":"publisher","award":["1DH2011152"],"award-info":[{"award-number":["1DH2011152"]}],"id":[{"id":"10.13039\/501100005941","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Medizinische Fakult\u00e4t Heidelberg der Universit\u00e4t Heidelberg"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Clin Oral Invest"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>To evaluate the diagnostic MRI compatibility of different fixed orthodontic retainers using a high-resolution 3D-sequence optimized for artifact reduction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>\n                      Maxillary and mandibular retainers made of five different materials were scanned in vitro and in vivo at 3\u00a0T MRI using an MSVAT-SPACE sequence. In vitro, artifact volumes were determined for all maxillary and mandibular retainers (AV\n                      <jats:sub>max<\/jats:sub>\n                      ; AV\n                      <jats:sub>mand<\/jats:sub>\n                      ). In vivo, two independent observers quantified the extent of artifacts based on the visibility of 124 dental and non-dental landmarks using a five-point rating scale (1\u2009=\u2009excellent, 2\u2009=\u2009good, 3\u2009=\u2009acceptable, 4\u2009=\u2009poor, 5\u2009=\u2009not visible).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Rectangular-steel retainers caused the largest artifacts (AV\n                      <jats:sub>max<\/jats:sub>\n                      \/AV\n                      <jats:sub>mand<\/jats:sub>\n                      : 18,060\/15,879\u00a0mm\n                      <jats:sup>3<\/jats:sup>\n                      ) and considerable diagnostic impairment in vivo (mean landmark visibility score\u2009\u00b1\u2009SD inside\/outside the retainer areas: 4.8\u2009\u00b1\u20090.8\/2.9\u2009\u00b1\u20091.6). Smaller, but diagnostically relevant artifacts were observed for twistflex\u00a0steel retainers (437\/6317\u00a0mm\n                      <jats:sup>3<\/jats:sup>\n                      , 3.1\u2009\u00b1\u20091.7\/1.3\u2009\u00b1\u20090.7). All retainers made of precious-alloy materials produced only very small artifact volumes (titanium grade 1: 70\/46\u00a0mm\n                      <jats:sup>3<\/jats:sup>\n                      , titanium grade 5: 47\/35\u00a0mm\n                      <jats:sup>3<\/jats:sup>\n                      , gold: 23\/21\u00a0mm\n                      <jats:sup>3<\/jats:sup>\n                      ) without any impact on image quality in vivo (each retainer: visibility scores of 1.0\u2009\u00b1\u20090.0 for all landmarks inside and outside the retainer areas).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>In contrast to steel retainers, titanium and gold retainers are fully compatible for both head\/neck and dental MRI when using MSVAT-SPACE.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical relevance<\/jats:title>\n                    <jats:p>This study demonstrates that titanium and gold retainers do not impair the diagnostic quality of head\/neck and dental MRI when applying an appropriate artifact-reduction technique. Steel retainers, however, are not suitable for dental MRI and can severely impair image quality in head\/neck MRI of the oral cavity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s00784-023-04861-2","type":"journal-article","created":{"date-parts":[[2023,1,14]],"date-time":"2023-01-14T09:03:06Z","timestamp":1673686986000},"page":"2375-2384","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":8,"title":["Diagnostic compatibility of various fixed orthodontic retainers for head\/neck MRI and dental MRI"],"prefix":"10.1007","volume":"27","author":[{"given":"Alexander","family":"Juerchott","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph J.","family":"Roser","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Muhammad Abdullah","family":"Saleem","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mathias","family":"Nittka","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher J.","family":"Lux","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sabine","family":"Heiland","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Martin","family":"Bendszus","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tim","family":"Hilgenfeld","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2023,1,14]]},"reference":[{"key":"4861_CR1","doi-asserted-by":"publisher","first-page":"2400","DOI":"10.1001\/jama.2012.5960","volume":"307","author":"R Smith-Bindman","year":"2012","unstructured":"Smith-Bindman R, Miglioretti DL, Johnson E, Lee C, Feigelson HS, Flynn M, Greenlee RT, Kruger RL, Hornbrook MC, Roblin D, Solberg LI, Vanneman N, Weinmann S, Williams AE (2012) Use of diagnostic imaging studies and associated radiation exposure for patients enrolled in large integrated health care systems, 1996\u20132010. JAMA 307:2400\u20132409. https:\/\/doi.org\/10.1001\/jama.2012.5960","journal-title":"JAMA"},{"key":"4861_CR2","doi-asserted-by":"publisher","first-page":"843","DOI":"10.1001\/jama.2019.11456","volume":"322","author":"R Smith-Bindman","year":"2019","unstructured":"Smith-Bindman R, Kwan ML, Marlow EC, Theis MK, Bolch W, Cheng SY, Bowles EJA, Duncan JR, Greenlee RT, Kushi LH, Pole JD, Rahm AK, Stout NK, Weinmann S, Miglioretti DL (2019) Trends in use of medical imaging in US health care systems and in Ontario, Canada, 2000\u20132016. JAMA 322:843\u2013856. https:\/\/doi.org\/10.1001\/jama.2019.11456","journal-title":"JAMA"},{"key":"4861_CR3","doi-asserted-by":"publisher","unstructured":"Heil A, Lazo Gonzalez E, Hilgenfeld T, Kickingereder P, Bendszus M, Heiland S, Ozga AK, Sommer A, Lux CJ, Zingler S (2017) Lateral cephalometric analysis for treatment planning in orthodontics based on MRI compared with radiographs: a feasibility study in children and adolescents. PLoS One 12:e0174524. https:\/\/doi.org\/10.1371\/journal.pone.0174524","DOI":"10.1371\/journal.pone.0174524"},{"key":"4861_CR4","doi-asserted-by":"publisher","unstructured":"Juerchott A, Freudlsperger C, Weber D, Jende JME, Saleem MA, Zingler S, Lux CJ, Bendszus M, Heiland S and Hilgenfeld T (2020) In vivo comparison of MRI- and CBCT-based 3D cephalometric analysis: beginning of a non-ionizing diagnostic era in craniomaxillofacial imaging? Eur Radiol 30:1488\u20131497.\u00a0https:\/\/doi.org\/10.1007\/s00330-019-06540-x","DOI":"10.1007\/s00330-019-06540-x"},{"key":"4861_CR5","doi-asserted-by":"publisher","first-page":"40","DOI":"10.1186\/s40510-019-0293-x","volume":"20","author":"C Maspero","year":"2019","unstructured":"Maspero C, Abate A, Bellincioni F, Cavagnetto D, Lanteri V, Costa A, Farronato M (2019) Comparison of a tridimensional cephalometric analysis performed on 3 T-MRI compared with CBCT: a pilot study in adults. Prog Orthod 20:40. https:\/\/doi.org\/10.1186\/s40510-019-0293-x","journal-title":"Prog Orthod"},{"key":"4861_CR6","doi-asserted-by":"publisher","unstructured":"Juerchott A, Sohani M, Schwindling FS, Jende JME, Kurz FT, Rammelsberg P, Heiland S, Bendszus M, Hilgenfeld T (2020) In vivo accuracy of dental magnetic resonance imaging in assessing maxillary molar furcation involvement: a feasibility study in humans. J Clin Periodontol 47:809\u2013815. https:\/\/doi.org\/10.1111\/jcpe.13299","DOI":"10.1111\/jcpe.13299"},{"key":"4861_CR7","doi-asserted-by":"publisher","first-page":"1485","DOI":"10.1111\/jcpe.13374","volume":"47","author":"A Juerchott","year":"2020","unstructured":"Juerchott A, Sohani M, Schwindling FS, Jende JME, Kurz FT, Rammelsberg P, Heiland S, Bendszus M, Hilgenfeld T (2020) Comparison of non-contrast-enhanced dental magnetic resonance imaging and cone-beam computed tomography in assessing the horizontal and vertical components of furcation defects in maxillary molars: an in vivo feasibility study. J Clin Periodontol 47:1485\u20131495. https:\/\/doi.org\/10.1111\/jcpe.13374","journal-title":"J Clin Periodontol"},{"key":"4861_CR8","doi-asserted-by":"publisher","first-page":"929","DOI":"10.1111\/jcpe.13458","volume":"48","author":"M Probst","year":"2021","unstructured":"Probst M, Burian E, Robl T, Weidlich D, Karampinos D, Brunner T, Zimmer C, Probst FA, Folwaczny M (2021) Magnetic resonance imaging as a diagnostic tool for periodontal disease: a prospective study with correlation to standard clinical findings-is there added value? J Clin Periodontol 48:929\u2013948. https:\/\/doi.org\/10.1111\/jcpe.13458","journal-title":"J Clin Periodontol"},{"key":"4861_CR9","doi-asserted-by":"publisher","first-page":"397","DOI":"10.1016\/j.joen.2015.11.021","volume":"42","author":"K Iohara","year":"2016","unstructured":"Iohara K, Fujita M, Ariji Y, Yoshikawa M, Watanabe H, Takashima A, Nakashima M (2016) Assessment of pulp regeneration induced by stem cell therapy by magnetic resonance imaging. J Endod 42:397\u2013401. https:\/\/doi.org\/10.1016\/j.joen.2015.11.021","journal-title":"J Endod"},{"key":"4861_CR10","doi-asserted-by":"publisher","first-page":"17","DOI":"10.1038\/s41368-018-0017-y","volume":"10","author":"A Juerchott","year":"2018","unstructured":"Juerchott A, Pfefferle T, Flechtenmacher C, Mente J, Bendszus M, Heiland S, Hilgenfeld T (2018) Differentiation of periapical granulomas and cysts by using dental MRI: a pilot study. Int J Oral Sci 10:17. https:\/\/doi.org\/10.1038\/s41368-018-0017-y","journal-title":"Int J Oral Sci"},{"key":"4861_CR11","doi-asserted-by":"publisher","first-page":"1077","DOI":"10.1111\/iej.12933","volume":"51","author":"G Lizio","year":"2018","unstructured":"Lizio G, Salizzoni E, Coe M, Gatto MR, Asioli S, Balbi T, Pelliccioni GA (2018) Differential diagnosis between a granuloma and radicular cyst: effectiveness of magnetic resonance imaging. Int Endod J 51:1077\u20131087. https:\/\/doi.org\/10.1111\/iej.12933","journal-title":"Int Endod J"},{"key":"4861_CR12","doi-asserted-by":"publisher","first-page":"252","DOI":"10.1111\/iej.13662","volume":"55","author":"A Juerchott","year":"2022","unstructured":"Juerchott A, Jelinek C, Kronsteiner D, Jende JME, Kurz FT, Bendszus M, Heiland S, Hilgenfeld T (2022) Quantitative assessment of contrast-enhancement patterns of the healthy dental pulp by magnetic resonance imaging: a prospective in vivo study. Int Endod J 55:252\u2013262. https:\/\/doi.org\/10.1111\/iej.13662","journal-title":"Int Endod J"},{"key":"4861_CR13","doi-asserted-by":"publisher","first-page":"6392","DOI":"10.1007\/s00330-020-07262-1","volume":"30","author":"T Hilgenfeld","year":"2020","unstructured":"Hilgenfeld T, Juerchott A, Jende JME, Rammelsberg P, Heiland S, Bendszus M, Schwindling FS (2020) Use of dental MRI for radiation-free guided dental implant planning: a prospective, in vivo study of accuracy and reliability. Eur Radiol 30:6392\u20136401. https:\/\/doi.org\/10.1007\/s00330-020-07262-1","journal-title":"Eur Radiol"},{"key":"4861_CR14","doi-asserted-by":"publisher","first-page":"612","DOI":"10.1111\/cid.12939","volume":"22","author":"FA Probst","year":"2020","unstructured":"Probst FA, Schweiger J, Stumbaum MJ, Karampinos D, Burian E, Probst M (2020) Magnetic resonance imaging based computer-guided dental implant surgery-a clinical pilot study. Clin Implant Dent Relat Res 22:612\u2013621. https:\/\/doi.org\/10.1111\/cid.12939","journal-title":"Clin Implant Dent Relat Res"},{"key":"4861_CR15","doi-asserted-by":"publisher","first-page":"1218","DOI":"10.1111\/clr.13819","volume":"32","author":"FS Schwindling","year":"2021","unstructured":"Schwindling FS, Juerchott A, Boehm S, Rues S, Kronsteiner D, Heiland S, Bendszus M, Rammelsberg P, Hilgenfeld T (2021) Three-dimensional accuracy of partially guided implant surgery based on dental magnetic resonance imaging. Clin Oral Implants Res 32:1218\u20131227. https:\/\/doi.org\/10.1111\/clr.13819","journal-title":"Clin Oral Implants Res"},{"key":"4861_CR16","doi-asserted-by":"publisher","first-page":"2175","DOI":"10.1016\/j.jcms.2015.10.011","volume":"43","author":"M Prager","year":"2015","unstructured":"Prager M, Heiland S, Gareis D, Hilgenfeld T, Bendszus M, Gaudino C (2015) Dental MRI using a dedicated RF-coil at 3 Tesla. J Craniomaxillofac Surg 43:2175\u20132182. https:\/\/doi.org\/10.1016\/j.jcms.2015.10.011","journal-title":"J Craniomaxillofac Surg"},{"key":"4861_CR17","doi-asserted-by":"publisher","first-page":"23301","DOI":"10.1038\/srep23301","volume":"6","author":"U Ludwig","year":"2016","unstructured":"Ludwig U, Eisenbeiss AK, Scheifele C, Nelson K, Bock M, Hennig J, von Elverfeldt D, Herdt O, Flugge T, Hovener JB (2016) Dental MRI using wireless intraoral coils. Sci Rep 6:23301. https:\/\/doi.org\/10.1038\/srep23301","journal-title":"Sci Rep"},{"key":"4861_CR18","doi-asserted-by":"publisher","first-page":"20150177","DOI":"10.1259\/dmfr.20150177","volume":"45","author":"J Sedlacik","year":"2016","unstructured":"Sedlacik J, Kutzner D, Khokale A, Schulze D, Fiehler J, Celik T, Gareis D, Smeets R, Friedrich RE, Heiland M, Assaf AT (2016) Optimized 14 + 1 receive coil array and position system for 3D high-resolution MRI of dental and maxillomandibular structures. Dentomaxillofac Radiol 45:20150177. https:\/\/doi.org\/10.1259\/dmfr.20150177","journal-title":"Dentomaxillofac Radiol"},{"key":"4861_CR19","doi-asserted-by":"publisher","first-page":"5104","DOI":"10.1007\/s00330-017-4901-1","volume":"27","author":"T Hilgenfeld","year":"2017","unstructured":"Hilgenfeld T, Prager M, Heil A, Schwindling FS, Nittka M, Grodzki D, Rammelsberg P, Bendszus M, Heiland S (2017) PETRA, MSVAT-SPACE and SEMAC sequences for metal artifact reduction in dental MR imaging. Eur Radiol 27:5104\u20135112. https:\/\/doi.org\/10.1007\/s00330-017-4901-1","journal-title":"Eur Radiol"},{"key":"4861_CR20","doi-asserted-by":"publisher","first-page":"563","DOI":"10.1016\/j.ajodo.2006.10.038","volume":"134","author":"JM Elison","year":"2008","unstructured":"Elison JM, Leggitt VL, Thomson M, Oyoyo U, Wycliffe ND (2008) Influence of common orthodontic appliances on the diagnostic quality of cranial magnetic resonance images. Am J Orthod Dentofacial Orthop 134:563\u2013572. https:\/\/doi.org\/10.1016\/j.ajodo.2006.10.038","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"4861_CR21","doi-asserted-by":"publisher","first-page":"20120271","DOI":"10.1259\/dmfr.20120271","volume":"42","author":"O Tymofiyeva","year":"2013","unstructured":"Tymofiyeva O, Vaegler S, Rottner K, Boldt J, Hopfgartner AJ, Proff PC, Richter EJ, Jakob PM (2013) Influence of dental materials on dental MRI. Dentomaxillofac Radiol 42:20120271. https:\/\/doi.org\/10.1259\/dmfr.20120271","journal-title":"Dentomaxillofac Radiol"},{"key":"4861_CR22","doi-asserted-by":"publisher","first-page":"105","DOI":"10.1093\/ejo\/cju020","volume":"37","author":"A Beau","year":"2015","unstructured":"Beau A, Bossard D, Gebeile-Chauty S (2015) Magnetic resonance imaging artifacts and fixed orthodontic attachments. Eur J Orthod 37:105\u2013110. https:\/\/doi.org\/10.1093\/ejo\/cju020","journal-title":"Eur J Orthod"},{"key":"4861_CR23","doi-asserted-by":"publisher","first-page":"610","DOI":"10.1093\/ejo\/cju103","volume":"37","author":"M Wylezinska","year":"2015","unstructured":"Wylezinska M, Pinkstone M, Hay N, Scott AD, Birch MJ, Miquel ME (2015) Impact of orthodontic appliances on the quality of craniofacial anatomical magnetic resonance imaging and real-time speech imaging. Eur J Orthod 37:610\u2013617. https:\/\/doi.org\/10.1093\/ejo\/cju103","journal-title":"Eur J Orthod"},{"key":"4861_CR24","doi-asserted-by":"publisher","first-page":"281","DOI":"10.1007\/s00784-016-1788-1","volume":"21","author":"FH Blankenstein","year":"2017","unstructured":"Blankenstein FH, Asbach P, Beuer F, Glienke J, Mayer S, Zachriat C (2017) Magnetic permeability as a predictor of the artifact size caused by orthodontic appliances at 1.5 T magnetic resonance imaging. Clin Oral Investig 21:281\u2013289. https:\/\/doi.org\/10.1007\/s00784-016-1788-1","journal-title":"Clin Oral Investig"},{"key":"4861_CR25","doi-asserted-by":"publisher","first-page":"484","DOI":"10.1016\/j.ajodo.2016.07.020","volume":"151","author":"D Zhylich","year":"2017","unstructured":"Zhylich D, Krishnan P, Muthusami P, Rayner T, Shroff M, Doria A, Tompson B, Lou W, Suri S (2017) Effects of orthodontic appliances on the diagnostic quality of magnetic resonance images of the head. Am J Orthod Dentofacial Orthop 151:484\u2013499. https:\/\/doi.org\/10.1016\/j.ajodo.2016.07.020","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"4861_CR26","doi-asserted-by":"publisher","first-page":"7","DOI":"10.1186\/s40510-018-0204-6","volume":"19","author":"E Ozawa","year":"2018","unstructured":"Ozawa E, Honda EI, Parakonthun KN, Ohmori H, Shimazaki K, Kurabayashi T, Ono T (2018) Influence of orthodontic appliance-derived artifacts on 3-T MRI movies. Prog Orthod 19:7. https:\/\/doi.org\/10.1186\/s40510-018-0204-6","journal-title":"Prog Orthod"},{"key":"4861_CR27","doi-asserted-by":"publisher","unstructured":"Valiathan M, Hughes E (2010) Results of a survey-based study to identify common retention practices in the United States. Am J Orthod Dentofacial Orthop 137:170\u20137; discussion 177. https:\/\/doi.org\/10.1016\/j.ajodo.2008.03.023","DOI":"10.1016\/j.ajodo.2008.03.023"},{"key":"4861_CR28","doi-asserted-by":"publisher","unstructured":"Vandevska-Radunovic V, Espeland L, Stenvik A (2013) Retention: type, duration and need for common guidelines. A survey of Norwegian orthodontists. Orthodontics (Chic) 14:e110\u20137. https:\/\/doi.org\/10.11607\/ortho.964","DOI":"10.11607\/ortho.964"},{"key":"4861_CR29","doi-asserted-by":"publisher","first-page":"496","DOI":"10.1016\/j.ajodo.2017.08.013","volume":"153","author":"JAD Padmos","year":"2018","unstructured":"Padmos JAD, Fudalej PS, Renkema AM (2018) Epidemiologic study of orthodontic retention procedures. Am J Orthod Dentofacial Orthop 153:496\u2013504. https:\/\/doi.org\/10.1016\/j.ajodo.2017.08.013","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"4861_CR30","doi-asserted-by":"publisher","first-page":"e654","DOI":"10.1097\/SCS.0b013e3182710609","volume":"23","author":"D Aizenbud","year":"2012","unstructured":"Aizenbud D, Hazan-Molina H, Einy S, Goldsher D (2012) Craniofacial magnetic resonance imaging with a gold solder-filled chain-like wire fixed orthodontic retainer. J Craniofac Surg 23:e654\u2013e657. https:\/\/doi.org\/10.1097\/SCS.0b013e3182710609","journal-title":"J Craniofac Surg"},{"key":"4861_CR31","doi-asserted-by":"publisher","first-page":"63","DOI":"10.5624\/isd.20200199","volume":"51","author":"M Sonesson","year":"2021","unstructured":"Sonesson M, Al-Qabandi F, Mansson S, Abdulraheem S, Bondemark L, Hellen-Halme K (2021) Orthodontic appliances and MR image artifacts: an exploratory in vitro and in vivo study using 1.5-T and 3-T scanners. Imaging Sci Dent 51:63\u201371. https:\/\/doi.org\/10.5624\/isd.20200199","journal-title":"Imaging Sci Dent"},{"key":"4861_CR32","doi-asserted-by":"publisher","unstructured":"Hilgenfeld T, Prager M, Schwindling FS, Nittka M, Rammelsberg P, Bendszus M, Heiland S, Juerchott A (2018) MSVAT-SPACE-STIR and SEMAC-STIR for reduction of metallic artifacts in 3 T head and neck MRI. AJNR Am J Neuroradiol 39:1322\u20131329. https:\/\/doi.org\/10.3174\/ajnr.A5678","DOI":"10.3174\/ajnr.A5678"},{"key":"4861_CR33","doi-asserted-by":"publisher","first-page":"13029","DOI":"10.1038\/s41598-018-31384-8","volume":"8","author":"A Juerchott","year":"2018","unstructured":"Juerchott A, Saleem MA, Hilgenfeld T, Freudlsperger C, Zingler S, Lux CJ, Bendszus M, Heiland S (2018) 3D cephalometric analysis using magnetic resonance imaging: validation of accuracy and reproducibility. Sci Rep 8:13029. https:\/\/doi.org\/10.1038\/s41598-018-31384-8","journal-title":"Sci Rep"},{"key":"4861_CR34","doi-asserted-by":"publisher","first-page":"1423","DOI":"10.1007\/s00784-020-03450-x","volume":"25","author":"C Roser","year":"2021","unstructured":"Roser C, Hilgenfeld T, Sen S, Badrow T, Zingler S, Heiland S, Bendszus M, Lux CJ, Juerchott A (2021) Evaluation of magnetic resonance imaging artifacts caused by fixed orthodontic CAD\/CAM retainers-an in vitro study. Clin Oral Investig 25:1423\u20131431. https:\/\/doi.org\/10.1007\/s00784-020-03450-x","journal-title":"Clin Oral Investig"},{"key":"4861_CR35","doi-asserted-by":"publisher","unstructured":"Zachriat C, Asbach P, Blankenstein KI, Peroz I, Blankenstein FH (2015) MRI with intraoral orthodontic appliance-a comparative in vitro and in vivo study of image artifacts at 1.5\u00a0T. Dentomaxillofac Radiol 44:20140416. https:\/\/doi.org\/10.1259\/dmfr.20140416","DOI":"10.1259\/dmfr.20140416"},{"key":"4861_CR36","doi-asserted-by":"publisher","unstructured":"Hilgenfeld T, Prager M, Schwindling FS, Jende JME, Rammelsberg P, Bendszus M, Heiland S, Juerchott A (2018) Protocol for the evaluation of MRI artifacts caused by metal implants to assess the suitability of implants and the vulnerability of pulse sequences. J Vis Exp 17:57394. https:\/\/doi.org\/10.3791\/57394","DOI":"10.3791\/57394"},{"key":"4861_CR37","doi-asserted-by":"publisher","first-page":"265","DOI":"10.1016\/j.ejrad.2009.03.042","volume":"75","author":"X Liang","year":"2010","unstructured":"Liang X, Jacobs R, Hassan B, Li L, Pauwels R, Corpas L, Souza PC, Martens W, Shahbazian M, Alonso A, Lambrichts I (2010) A comparative evaluation of cone beam computed tomography (CBCT) and multi-slice CT (MSCT) part I. On subjective image quality. Eur J Radiol 75:265\u2013269. https:\/\/doi.org\/10.1016\/j.ejrad.2009.03.042","journal-title":"Eur J Radiol"},{"key":"4861_CR38","doi-asserted-by":"publisher","first-page":"2575","DOI":"10.1007\/s00330-011-2209-0","volume":"21","author":"C Gaudino","year":"2011","unstructured":"Gaudino C, Cosgarea R, Heiland S, Csernus R, Beomonte Zobel B, Pham M, Kim TS, Bendszus M, Rohde S (2011) MR-imaging of teeth and periodontal apparatus: an experimental study comparing high-resolution MRI with MDCT and CBCT. Eur Radiol 21:2575\u20132583. https:\/\/doi.org\/10.1007\/s00330-011-2209-0","journal-title":"Eur Radiol"},{"key":"4861_CR39","doi-asserted-by":"publisher","first-page":"31","DOI":"10.1186\/s40510-017-0185-x","volume":"18","author":"A Andriekute","year":"2017","unstructured":"Andriekute A, Vasiliauskas A, Sidlauskas A (2017) A survey of protocols and trends in orthodontic retention. Prog Orthod 18:31. https:\/\/doi.org\/10.1186\/s40510-017-0185-x","journal-title":"Prog Orthod"},{"key":"4861_CR40","doi-asserted-by":"publisher","first-page":"51","DOI":"10.1016\/j.ajodo.2021.02.022","volume":"162","author":"NCR Carneiro","year":"2022","unstructured":"Carneiro NCR, Nobrega MTC, Meade MJ, Flores-Mir C (2022) Retention decisions and protocols among orthodontists practicing in Canada: a cross-sectional survey. Am J Orthod Dentofacial Orthop 162:51\u201357. https:\/\/doi.org\/10.1016\/j.ajodo.2021.02.022","journal-title":"Am J Orthod Dentofacial Orthop"},{"key":"4861_CR41","doi-asserted-by":"publisher","unstructured":"Jedlinski M, Mazur M, Schmeidl K, Grocholewicz K, Ardan R, Janiszewska-Olszowska J (2022) Orthodontic retention-protocols and materials-a questionnaire pilot study among Polish practitioners. Materials (Basel) 15:666. https:\/\/doi.org\/10.3390\/ma15020666","DOI":"10.3390\/ma15020666"},{"key":"4861_CR42","first-page":"301","volume":"9","author":"T Hilgenfeld","year":"2016","unstructured":"Hilgenfeld T, Prager M, Schwindling FS, Heil A, Kuchenbecker S, Rammelsberg P, Bendszus M, Heiland S (2016) Artifacts of implant-supported single crowns - impact of material composition on artifact volume on dental MRI. Eur J Oral Implantol 9:301\u2013308","journal-title":"Eur J Oral Implantol"},{"key":"4861_CR43","doi-asserted-by":"publisher","first-page":"462","DOI":"10.1111\/jcpe.12870","volume":"45","author":"T Hilgenfeld","year":"2018","unstructured":"Hilgenfeld T, Kastel T, Heil A, Rammelsberg P, Heiland S, Bendszus M, Schwindling FS (2018) High-resolution dental magnetic resonance imaging for planning palatal graft surgery-a clinical pilot study. J Clin Periodontol 45:462\u2013470. https:\/\/doi.org\/10.1111\/jcpe.12870","journal-title":"J Clin Periodontol"},{"key":"4861_CR44","doi-asserted-by":"publisher","first-page":"413","DOI":"10.1055\/s-0043-103280","volume":"189","author":"G Widmann","year":"2017","unstructured":"Widmann G, Henninger B, Kremser C, Jaschke W (2017) MRI sequences in head & neck radiology - state of the art. Rofo 189:413\u2013422. https:\/\/doi.org\/10.1055\/s-0043-103280","journal-title":"Rofo"},{"key":"4861_CR45","doi-asserted-by":"publisher","first-page":"20190513","DOI":"10.1259\/bjr.20190513","volume":"92","author":"P Touska","year":"2019","unstructured":"Touska P, Connor SEJ (2019) Recent advances in MRI of the head and neck, skull base and cranial nerves: new and evolving sequences, analyses and clinical applications. Br J Radiol 92:20190513. https:\/\/doi.org\/10.1259\/bjr.20190513","journal-title":"Br J Radiol"},{"key":"4861_CR46","doi-asserted-by":"publisher","first-page":"365","DOI":"10.1007\/s10334-009-0188-9","volume":"22","author":"O Tymofiyeva","year":"2009","unstructured":"Tymofiyeva O, Boldt J, Rottner K, Schmid F, Richter EJ, Jakob PM (2009) High-resolution 3D magnetic resonance imaging and quantification of carious lesions and dental pulp in vivo. MAGMA 22:365\u2013374. https:\/\/doi.org\/10.1007\/s10334-009-0188-9","journal-title":"MAGMA"},{"key":"4861_CR47","doi-asserted-by":"publisher","first-page":"169","DOI":"10.1007\/s00784-009-0277-1","volume":"14","author":"O Tymofiyeva","year":"2010","unstructured":"Tymofiyeva O, Rottner K, Jakob PM, Richter EJ, Proff P (2010) Three-dimensional localization of impacted teeth using magnetic resonance imaging. Clin Oral Investig 14:169\u2013176. https:\/\/doi.org\/10.1007\/s00784-009-0277-1","journal-title":"Clin Oral Investig"},{"key":"4861_CR48","doi-asserted-by":"publisher","first-page":"1356","DOI":"10.1016\/j.jcms.2014.03.026","volume":"42","author":"AT Assaf","year":"2014","unstructured":"Assaf AT, Zrnc TA, Remus CC, Schonfeld M, Habermann CR, Riecke B, Friedrich RE, Fiehler J, Heiland M, Sedlacik J (2014) Evaluation of four different optimized magnetic-resonance-imaging sequences for visualization of dental and maxillo-mandibular structures at 3 T. J Craniomaxillofac Surg 42:1356\u20131363. https:\/\/doi.org\/10.1016\/j.jcms.2014.03.026","journal-title":"J Craniomaxillofac Surg"},{"key":"4861_CR49","doi-asserted-by":"publisher","first-page":"393","DOI":"10.1002\/jmri.25178","volume":"44","author":"A Manoliu","year":"2016","unstructured":"Manoliu A, Ho M, Nanz D, Dappa E, Boss A, Grodzki DM, Liu W, Chhabra A, Andreisek G, Kuhn FP (2016) MR neurographic orthopantomogram: ultrashort echo-time imaging of mandibular bone and teeth complemented with high-resolution morphological and functional MR neurography. J Magn Reson Imaging 44:393\u2013400. https:\/\/doi.org\/10.1002\/jmri.25178","journal-title":"J Magn Reson Imaging"},{"key":"4861_CR50","doi-asserted-by":"publisher","unstructured":"Hilgenfeld T, Juerchott A, Deisenhofer UK, Weber D, Rues S, Rammelsberg P, Heiland S, Bendszus M, Schwindling FS (2019) In vivo accuracy of tooth surface reconstruction based on CBCT and dental MRI-a clinical pilot study. Clin Oral Implants Res 30:920\u2013927. https:\/\/doi.org\/10.1111\/clr.13498","DOI":"10.1111\/clr.13498"},{"key":"4861_CR51","doi-asserted-by":"publisher","first-page":"14","DOI":"10.1007\/s00056-014-0258-0","volume":"76","author":"F Blankenstein","year":"2015","unstructured":"Blankenstein F, Truong BT, Thomas A, Thieme N, Zachriat C (2015) Predictability of magnetic susceptibility artifacts from metallic orthodontic appliances in magnetic resonance imaging. J Orofac Orthop 76:14\u201329. https:\/\/doi.org\/10.1007\/s00056-014-0258-0","journal-title":"J Orofac Orthop"},{"key":"4861_CR52","doi-asserted-by":"publisher","first-page":"604","DOI":"10.1016\/j.ajodo.2014.11.022","volume":"147","author":"M Shalish","year":"2015","unstructured":"Shalish M, Dykstein N, Friedlander-Barenboim S, Ben-David E, Gomori JM, Chaushu S (2015) Influence of common fixed retainers on the diagnostic quality of cranial magnetic resonance images. Am J Orthod Dentofacial Orthop 147:604\u2013609. https:\/\/doi.org\/10.1016\/j.ajodo.2014.11.022","journal-title":"Am J Orthod Dentofacial Orthop"}],"container-title":["Clinical Oral Investigations"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00784-023-04861-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/article\/10.1007\/s00784-023-04861-2\/fulltext.html","content-type":"text\/html","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/link.springer.com\/content\/pdf\/10.1007\/s00784-023-04861-2.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2023,5,4]],"date-time":"2023-05-04T06:08:42Z","timestamp":1683180522000},"score":1,"resource":{"primary":{"URL":"https:\/\/link.springer.com\/10.1007\/s00784-023-04861-2"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2023,1,14]]},"references-count":52,"journal-issue":{"issue":"5","published-online":{"date-parts":[[2023,5]]}},"alternative-id":["4861"],"URL":"https:\/\/doi.org\/10.1007\/s00784-023-04861-2","relation":{},"ISSN":["1436-3771"],"issn-type":[{"value":"1436-3771","type":"electronic"}],"subject":[],"published":{"date-parts":[[2023,1,14]]},"assertion":[{"value":"24 May 2022","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"3 January 2023","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 January 2023","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 methods were performed in accordance with the ethical standards of the institutional and\/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. This study was approved by the local research ethics committee of the University of Heidelberg (approval number: S-452\/2010).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval"}},{"value":"Written informed consent was obtained from the participant included in the study.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed consent"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}}]}}