{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T11:55:37Z","timestamp":1790682937075,"version":"4.1.0"},"reference-count":39,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:00:00Z","timestamp":1790640000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T00:00:00Z","timestamp":1790640000000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Journal of Prosthodontics"],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>Lithium disilicate glass\u2010ceramics have excellent esthetic characteristics, but lack the strength of zirconia. Some newer lithium silicates now contain zirconia and are marketed as \u201czirconia\u2010reinforced\u201d with the implication that they are improved in strength. The purpose of this study was to determine the edge chip resistance\/toughness and translucency of lithium silicate\u2013based glass\u2010ceramics.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Materials and Methods<\/jats:title>\n                    <jats:p>\n                      Four lithium silicate\/disilicate glass\u2010ceramic materials, IPS e.max CAD\u2010HT\/MT and GC Initial LiSi\u2010HT\/LT blocks, and two zirconia\u2010lithium silicate glass\u2010ceramic materials, VITA Suprinity PC and Celtra Duo, were tested (\n                      <jats:italic>N<\/jats:italic>\n                      = 20\/group). Specimens (14 \u00d7 12 \u00d7 1.5 mm) were sectioned from commercially available chairside CAD\u2010CAM blocks, fired (if indicated), ground, and polished. Translucency was assessed via a spectrophotometer. For edge chipping, specimens were adhered to a resin bed. Edge chips were produced using a 120\u2010degree sharp, diamond indenter mounted in a universal testing machine with the specimen's edge positioned at distances ranging from approximately 0.4 to 1 mm horizontally from the indenter tip. Translucency was compared with one\u2010way ANOVA and edge chipping was evaluated with regression and Kruskal\u2013Wallis tests.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Significant differences in translucency parameter (TP\n                      <jats:sub>00<\/jats:sub>\n                      ) were found between the materials (\n                      <jats:italic>p<\/jats:italic>\n                      \u2264 0.001). The statistical ranking of the TP\n                      <jats:sub>00<\/jats:sub>\n                      was: GC Initial LiSi\u2010HT &gt; IPS e.max CAD\u2010HT &gt; Celtra Duo &gt; GC Initial LiSi\u2010LT &gt; VITA Suprinity PC = IPS e.max CAD\u2010MT. For edge chipping, VITA Suprinity PC and Celtra Duo had significantly (\n                      <jats:italic>p &lt;<\/jats:italic>\n                      0.05) lower edge chip resistance (\n                      <jats:italic>R<\/jats:italic>\n                      <jats:sub>eA<\/jats:sub>\n                      ) than IPS e.max CAD HT, but all other comparisons were not significant.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>The incorporation of zirconia in lithium silicate glass\u2010ceramics did not result in superior edge chip resistance. Moreover, VITA Suprinity PC was more opaque than the other tested ceramics except IPS e.max CAD\u2010MT.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1111\/jopr.70246","type":"journal-article","created":{"date-parts":[[2026,9,29]],"date-time":"2026-09-29T11:00:24Z","timestamp":1790679624000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Edge chipping and translucency comparison among lithium silicate\u2010based ceramics"],"prefix":"10.1111","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-0266-1812","authenticated-orcid":false,"given":"Essa A.","family":"Alghamdi","sequence":"first","affiliation":[{"name":"Department of General Dental Sciences Marquette University School of Dentistry  Milwaukee Wisconsin USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0003-5893-4869","authenticated-orcid":false,"given":"Geoffrey 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