{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,25]],"date-time":"2026-09-25T22:15:08Z","timestamp":1790374508729,"version":"4.1.0"},"reference-count":28,"publisher":"Wiley","issue":"9","license":[{"start":{"date-parts":[[2024,6,5]],"date-time":"2024-06-05T00:00:00Z","timestamp":1717545600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clinical Oral Implants Res"],"published-print":{"date-parts":[[2024,9]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the mechanical performance of patient\u2010specific prefabricated temporary shell versus laboratory\u2010fabricated CAD\/CAM provisional restorations on titanium temporary abutments, with and without thermo\u2010mechanical ageing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>Implants with a conical connection were divided into four groups (<jats:italic>n<\/jats:italic>\u2009=\u200924) and restored with temporary shell or laboratory\u2010fabricated central or lateral incisor PMMA restorations that were relined or bonded on titanium temporary abutments. The diameter of the central and lateral incisor groups' implants was regular (<jats:italic>\u03d5<\/jats:italic> 4.3\u2009mm) or narrow (<jats:italic>\u03d5<\/jats:italic> 3.5\u2009mm), respectively. Half of each group's specimens were subjected to ageing, simultaneous thermocycling (5\u201355\u00b0C) and chewing simulation (120,000\u2009cycles, 50\u2009N, 1.7\u2009Hz) resulting in eight groups in total (<jats:italic>n<\/jats:italic>\u2009=\u200912). The aged specimens were evaluated with optical microscopy, and survival and complication rates were determined according to modified USPHS criteria. The non\u2010aged specimens and those that had survived ageing were loaded until failure, whereupon bending moments were calculated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Survival rates after ageing were 100% for all groups. Apart from wear facets (<jats:italic>\u03d5<\/jats:italic> 2\u20133\u2009mm) on the palatal restoration surface, no complications were observed. The mean fracture load and bending moments ranged between 597.6\u2013847.1\u2009N and 433.3\u2013550.6\u2009Ncm, respectively, with no significant differences between the eight groups (<jats:italic>p<\/jats:italic>\u2009=\u2009.25; <jats:italic>p<\/jats:italic>\u2009=\u2009.20).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>As patient\u2010specific temporary shell central and lateral incisor provisional implant\u2010supported restorations are mechanically stable enough to withstand clinical bite forces, even after thermo\u2010mechanical ageing, they may serve as an alternative to laboratory\u2010fabricated provisional restorations.<\/jats:p><\/jats:sec>","DOI":"10.1111\/clr.14308","type":"journal-article","created":{"date-parts":[[2024,6,5]],"date-time":"2024-06-05T11:59:07Z","timestamp":1717588747000},"page":"1172-1179","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Mechanical performance of patient\u2010specific prefabricated temporary shell versus laboratory\u2010fabricated <scp>CAD<\/scp>\/<scp>CAM<\/scp> provisional implant\u2010supported single\u2010tooth restorations: A\u00a0laboratory study"],"prefix":"10.1111","volume":"35","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4302-9033","authenticated-orcid":false,"given":"Vincent J. J.","family":"Donker","sequence":"first","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Paulien E. A.","family":"Janss","sequence":"additional","affiliation":[{"name":"Dental School, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5179-4563","authenticated-orcid":false,"given":"Christiaan W. P.","family":"Pol","sequence":"additional","affiliation":[{"name":"Department of Restorative Dentistry, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3578-7141","authenticated-orcid":false,"given":"Gerry M.","family":"Raghoebar","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2581-4361","authenticated-orcid":false,"given":"Arjan","family":"Vissink","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1702-6031","authenticated-orcid":false,"given":"Henny J. A.","family":"Meijer","sequence":"additional","affiliation":[{"name":"Department of Oral and Maxillofacial Surgery, University Medical Center Groningen University of Groningen  Groningen The Netherlands"},{"name":"Department of Restorative Dentistry, University Medical Center Groningen University of Groningen  Groningen The Netherlands"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2024,6,5]]},"reference":[{"key":"e_1_2_11_2_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00784\u2010005\u20100017\u20100"},{"key":"e_1_2_11_3_1","doi-asserted-by":"publisher","DOI":"10.3390\/ijms25094880"},{"key":"e_1_2_11_4_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1600\u2010051X.2010.01650.x"},{"key":"e_1_2_11_5_1","doi-asserted-by":"publisher","DOI":"10.1155\/2022\/5114332"},{"key":"e_1_2_11_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/0109\u20105641(92)90102\u2010I"},{"key":"e_1_2_11_7_1","doi-asserted-by":"publisher","DOI":"10.1111\/cid.12796"},{"key":"e_1_2_11_8_1","doi-asserted-by":"publisher","DOI":"10.11607\/ijp.7623"},{"key":"e_1_2_11_9_1","doi-asserted-by":"publisher","DOI":"10.3109\/00016357709064128"},{"key":"e_1_2_11_10_1","volume-title":"ISO 14801. 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