{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T01:13:13Z","timestamp":1787015593057,"version":"build-2736575974"},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2022,9,30]],"date-time":"2022-09-30T00:00:00Z","timestamp":1664496000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"published-print":{"date-parts":[[2023,7]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To test the fracture resistance of maxillary canine to canine fixed partial denture with four missing incisors, with increasing anterior\u2010cantilevers of the pontics and varying connector sizes.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and methods<\/jats:title>\n                    <jats:p>\n                      Two 3D\u2010printed titanium alloy (Ti6Al4V) models mimicking a maxillary canine to canine fixed partial denture (FPD) with four pontics replacing the incisors were used as master models. Zirconia FPDs were digitally designed and milled with two different connector sizes (9 and 12 mm\n                      <jats:sup>2<\/jats:sup>\n                      ) each with three different anterior cantilevers (7, 10, and 13\u00a0mm) accounting for 6 test groups. Seven samples were milled for each group generating a total of 42 samples. The zirconia FPDs were cemented on the titanium model using resin modified glass ionomer cement and the model fixated to a variable angle vice. A sinusoidal cyclic waveform load from 50 to 280N was applied using a universal testing machine at a frequency of 30 cycles per second and a total of 5 million cycles.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The results of Fisher's exact tests showed that the difference in the proportion of fractured versus nonfractured fixed partial dentures was not statistically significant when comparing the 9 with the 12 mm\n                      <jats:sup>2<\/jats:sup>\n                      connector size (\n                      <jats:italic>p<\/jats:italic>\n                      = 1.00), as well as when comparing the six test groups (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.2338); on the other hand, it proved to be statistically significant when comparing the 7\u00a0mm cantilever with the 10 and 13\u00a0mm cantilevers combined (\n                      <jats:italic>p<\/jats:italic>\n                      = 0.0407) indicating that a 7\u00a0mm anterior spread of the pontics showed a significantly greater proportion of fixed partial dentures that fractured.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>\n                      Fracture susceptibility was not a function of cantilever length in this testing configuration for anterior FPDs. Retainer crown thickness seems to be a more important parameter than connector size thickness. Based on the results, a smaller connector size (9 mm\n                      <jats:sup>2<\/jats:sup>\n                      ) can be used to improve the esthetics of pontics in long span anterior FPDs.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.13601","type":"journal-article","created":{"date-parts":[[2022,9,10]],"date-time":"2022-09-10T05:58:17Z","timestamp":1662789497000},"page":"534-539","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["An in vitro trial on the effect of arch form on connector size requirements in long span anterior zirconia fixed dental prostheses"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-1630-2105","authenticated-orcid":false,"given":"Ryan J.","family":"Coello","sequence":"first","affiliation":[{"name":"Army Postgraduate Dental School Uniformed Services University  Fort Campbell KY"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cynthia","family":"Aita\u2010Holmes","sequence":"additional","affiliation":[{"name":"U.S. Army Advanced Education Program in Prosthodontics  Fort Gordon GA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Walter G.","family":"Dimalanta","sequence":"additional","affiliation":[{"name":"U.S. Army Advanced Education Program in Prosthodontics  Fort Gordon GA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Karl","family":"Wenger","sequence":"additional","affiliation":[{"name":"Department of Clinical Investigation Eisenhower Army Medical Center  Fort Gordon GA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2022,9,30]]},"reference":[{"key":"e_1_2_7_2_1","first-page":"31","article-title":"Optical behavior of current ceramic systems","volume":"26","author":"Raptis N","year":"2006","journal-title":"Int J Perio Restor 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