{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,29]],"date-time":"2026-01-29T13:39:49Z","timestamp":1769693989234,"version":"3.49.0"},"reference-count":48,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,4,12]],"date-time":"2022-04-12T00:00:00Z","timestamp":1649721600000},"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":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To evaluate and compare the shear bond strength (SBS) of composite veneering material to polyetherketoneketone (PEKK), polyetheretherketone (PEEK), zirconia (YZ), and nickel\u2010chromium alloy (NiCr) substructure restorative materials.<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and methods<\/jats:title><jats:p>Forty samples (12 \u00d7 2 mm) were prepared from four materials: PEKK, PEEK, zirconia, and NiCr alloy (n = 10). The Vickers hardness was evaluated before preparing the surface for bonding by shot\u2010blasting using 110 \u03bcm Al<jats:sub>2<\/jats:sub>O<jats:sub>3<\/jats:sub> particles. The surface roughness (Ra) of each sample was determined using a noncontact optical profilometer. The veneering resin was bonded onto each sample following primer application. The prepared samples were then subjected to an SBS test using a universal testing machine at 0.5 mm\/min crosshead speed. Failure modes and surface topography following debonding were assessed. The data were statistically analyzed using ANOVA and Tukey's\u00a0post\u2010hoc\u00a0comparison test (<jats:italic>p<\/jats:italic> &lt; 0.05).\u00a0<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The highest and lowest mean surface roughness was observed in PEEK (3.45 \u00b10.13 \u03bcm) and NiCr (1.87 \u00b10.07 \u03bcm) materials, respectively. A significant difference in roughness values was observed between the materials except for NiCr and YZ (<jats:italic>p<\/jats:italic> = 0.547). Concerning SBS, PEEK and NiCr exhibited the highest (16.23 \u00b10.96 MPa) and lowest (10.1 \u00b10.63 MPa) values. The mean difference in SBS indicated a statistically significant difference between the material groups (<jats:italic>p<\/jats:italic> &lt; 0.01).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>PEKK materials demonstrated significantly lower SBS than PEEK and significantly higher SBS values than conventional zirconia and alloy materials. A positive and significant correlation between mean roughness and SBS was observed, but the causality could be either intrinsic to the material or the roughness.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.13511","type":"journal-article","created":{"date-parts":[[2022,3,27]],"date-time":"2022-03-27T18:10:16Z","timestamp":1648404616000},"page":"147-153","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Surface Characteristics and Adhesion of Veneering Composite Resin to PAEK\u2010Based Substructure Restorative Materials"],"prefix":"10.1111","volume":"32","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-7209-2800","authenticated-orcid":false,"given":"Omar","family":"Alsadon","sequence":"first","affiliation":[{"name":"Dental Health Department, College of Applied Medical Sciences King Saud University  Riyadh Saudi Arabia"},{"name":"Engineer Abdullah Bugshan Research Chair for Dental and Oral Rehabilitation, College of Dentistry King Saud University  Riyadh Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Robert","family":"Moorehead","sequence":"additional","affiliation":[{"name":"The Henry Royce Institute and Department of Materials Science and Engineering University of Sheffield  Sheffield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Haitham","family":"Almansour","sequence":"additional","affiliation":[{"name":"Dental Health Department, College of Applied Medical Sciences King Saud University  Riyadh Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Durgesh","family":"Bangalore","sequence":"additional","affiliation":[{"name":"Dental Health Department, College of Applied Medical Sciences King Saud University  Riyadh Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Omar","family":"Alageel","sequence":"additional","affiliation":[{"name":"Dental Health Department, College of Applied Medical Sciences King Saud University  Riyadh Saudi Arabia"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Duncan","family":"Wood","sequence":"additional","affiliation":[{"name":"Academic Unit of Restorative Dentistry, School of Clinical Dentistry University of Sheffield  Sheffield UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2022,4,12]]},"reference":[{"key":"e_1_2_7_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/jopr.12016"},{"key":"e_1_2_7_3_1","doi-asserted-by":"publisher","DOI":"10.4047\/jap.2016.8.4.267"},{"key":"e_1_2_7_4_1","doi-asserted-by":"publisher","DOI":"10.4047\/jap.2018.10.2.79"},{"key":"e_1_2_7_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.prosdent.2006.09.018"},{"key":"e_1_2_7_6_1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-3913(00)80016-5"},{"key":"e_1_2_7_7_1","first-page":"348","article-title":"Zirconia in dentistry: part 2. 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