{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T19:21:03Z","timestamp":1787772063334,"version":"build-2784847793"},"reference-count":22,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2024,3]]},"abstract":"\n Backround:<\/jats:title>\n The evolution of restorative materials in prosthodontics has led to the emergence of indirect composite resins, including ceromers, as alternatives to traditional metal-ceramic restorations. However, research gaps exist regarding the impact of ageing protocols on the bond strength of ceromer composites to different metal substructures, necessitating further investigation in this area.<\/jats:p>\n <\/jats:sec>\n \n Aim:<\/jats:title>\n This study aimed to determine the effect of five different ageing protocols on the shear bond strength (SBS) of ceromer indirect composites on two different substructures.<\/jats:p>\n <\/jats:sec>\n \n Methods:<\/jats:title>\n \n In this\n in vitro<\/jats:italic>\n study, 120 metallic discs (10 \u00d7 2 mm) were cast from cobalt-chromium (Co-Cr) alloy (\n n<\/jats:italic>\n = 60) and spark erosion treated from grade V titanium (\n n<\/jats:italic>\n = 60). Each sample was sandblasted. The M.L. primer (Shofu, Germany) and layers of opaque were applied to the surface following the manufacturer\u2019s instructions. A special jig (6 \u00d7 2 mm) was placed on each disc. The ceromer was condensed in it and light-cured separately for 90 s. Following polishing, specimens were separated into five ageing groups: distilled water (as a control), thermal cycling, tea, coffee, and gastric acid immersion. All samples were placed in 37\u00b0C incubation for 28 days for distilled water, coffee, and tea, and 7 days for gastric acid immersion and thermal cycling for 5000 cycles (5-55\u00b0C). A universal test machine was used to measure the SBS. The samples were evaluated for failure modes using stereomicroscopy. Data were analyzed using one-way analysis of variance (ANOVA) (\n P<\/jats:italic>\n < 0.05).\n <\/jats:p>\n <\/jats:sec>\n \n Results:<\/jats:title>\n \n According to one-way ANOVA, the mean SBS (MPa) between the two groups was compared in each ageing protocol, and there were no significant differences between the Co-Cr-C and Ti-C groups (\n P<\/jats:italic>\n > 0.05). The most frequent mode of failure in all groups was mixed.\n <\/jats:p>\n <\/jats:sec>\n \n Conclusions:<\/jats:title>\n Applying the ageing protocols, the type of substructure material had no significant effect on the SBS of the ceromer indirect composite except for tea immersion.<\/jats:p>\n <\/jats:sec>","DOI":"10.4103\/njcp.njcp_88_23","type":"journal-article","created":{"date-parts":[[2024,3,26]],"date-time":"2024-03-26T01:15:04Z","timestamp":1711415704000},"page":"368-375","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":0,"title":["The Effect of Different Ageing Protocols on the Shear Bond Strength of the Ceromer Indirect Composite on Two Different Substructure Materials"],"prefix":"10.4103","volume":"27","author":[{"given":"HY Yay","family":"Kuscu","sequence":"first","affiliation":[{"name":"Department of Prosthodontics, Faculty of Dentistry, Mehmet Akif Ersoy University, Burdur, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2024,3,26]]},"reference":[{"key":"R1-20240907","doi-asserted-by":"crossref","first-page":"67","DOI":"10.30699\/jidai.32.3.4.67","article-title":"Micro-shear bond strength of indirect composite resin to three different computer-milled cores after thermocycling","volume":"32","author":"Zeighami","year":"2020","journal-title":"J Islam Dent Assoc Iran"},{"key":"R2-20240907","doi-asserted-by":"crossref","first-page":"655","DOI":"10.1016\/j.dental.2008.11.012","article-title":"Microtensile bond strength of resin-based composites to Ti-6Al-4V","volume":"25","author":"Fernandes","year":"2009","journal-title":"Dent Mater"},{"key":"R3-20240907","doi-asserted-by":"crossref","first-page":"355","DOI":"10.1089\/pho.2016.4129","article-title":"Bonding strength of ceromer with direct laser sintered, Ni-Cr-Based, and ZrO2 metal \u0131nfrastructures after Er: YAG, Nd: YAG, and Ho: YAG Laser surface treatments\u2014A comparative \u0131n vitro study","volume":"34","author":"Gorler","year":"2016","journal-title":"Photomed Laser Surg"},{"key":"R4-20240907","doi-asserted-by":"crossref","first-page":"e113","DOI":"10.1016\/j.dental.2013.04.011","article-title":"Influence of substructure design, veneer application technique, and firing regime on the in vitro performance of molar zirconia crowns","volume":"29","author":"Preis","year":"2013","journal-title":"Dent Mater"},{"key":"R5-20240907","doi-asserted-by":"crossref","first-page":"267","DOI":"10.4047\/jap.2016.8.4.267","article-title":"Shear bond strength of indirect composite material to monolithic zirconia","volume":"8","author":"Sari","year":"2016","journal-title":"J Adv Prosthodont"},{"key":"R6-20240907","doi-asserted-by":"crossref","first-page":"e119","DOI":"10.4317\/jced.51876","article-title":"An in vitro evaluation of the effect of sandblasting and laser surface treatment on the shear bond strength of a composite resin to the facial surface of primary anterior stainless steel crowns","volume":"7","author":"Grover","year":"2015","journal-title":"J Clin Exp Dent"},{"key":"R7-20240907","first-page":"635","article-title":"Bonding indirect resin composites to metal: Part 1. 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