{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,11]],"date-time":"2026-07-11T16:07:59Z","timestamp":1783786079567,"version":"3.55.0"},"reference-count":50,"publisher":"Oxford University Press (OUP)","issue":"8","license":[{"start":{"date-parts":[[2024,1,17]],"date-time":"2024-01-17T00:00:00Z","timestamp":1705449600000},"content-version":"vor","delay-in-days":135,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,11,1]]},"abstract":"<jats:sec>\n                  <jats:title>Objectives:<\/jats:title>\n                  <jats:p>Three-dimensional cone beam computed tomography (CBCT) imaging can be considered, especially in patients with complicated peri-implantitis (PI). Artifacts induced by dense materials are the drawback of CBCT imaging and the peri-implant bone condition may not be assessed reliably because the artifacts are present in the same area. This pilot study investigates the performance of the artifact reduction algorithm (ARA) of the Planmeca Viso G7 CBCT device (Planmeca, Helsinki, Finland) with three different implant materials and imaging parameters.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Methods:<\/jats:title>\n                  <jats:p>Three pairs of dental implants consisting of titanium, zirconia, and fiber reinforced composite (FRC) were set into a pig mandible. A vertical defect simulating peri-implantitis bone loss was made on the buccal side of one of each implant. The defect was identified and measured by two observers and compared to the actual dimensions. In addition, the bone structure and the marginal cortex visibility between the implants were estimated visually.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>The bone defect and its dimensions with the zirconia implant could not be identified in any image with or without the metal artifact reduction algorithm. The bone defect of titanium and FRC implants were identified with all three imaging parameters or even without ARA. The interobserver agreement between the two observers was almost perfect for all categories analyzed.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusion:<\/jats:title>\n                  <jats:p>Peri-implantitis defect of the zirconia implant and the peri-implant bone structure of the zirconia implants cannot be recognized reliably with any ARA levels, or any imaging parameters used with the Planmeca Viso G7. The need for ARA when imaging the peri-implant bone condition of the titanium and FRC implants may be unnecessary.<\/jats:p>\n               <\/jats:sec>","DOI":"10.1259\/dmfr.20230252","type":"journal-article","created":{"date-parts":[[2023,8,29]],"date-time":"2023-08-29T09:18:56Z","timestamp":1693300736000},"source":"Crossref","is-referenced-by-count":13,"title":["Zirconia implants interfere with the evaluation of peri-implant bone defects in cone beam computed tomography (CBCT) images even with artifact reduction, a pilot study"],"prefix":"10.1093","volume":"52","author":[{"given":"Niina","family":"Kuusisto","sequence":"first","affiliation":[{"name":"Department of Oral Pathology and Radiology, Institute of Dentistry, University of Turku , Turku, Finland"},{"name":"Department of Radiology, P\u00e4ij\u00e4t-H\u00e4me Central Hospital , Lahti, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Faleh","family":"Abushahba","sequence":"additional","affiliation":[{"name":"Department of Prosthetic Dentistry and Stomatognathic Physiology, Institute of Dentistry, University of Turku , Turku, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stina","family":"Syrj\u00e4nen","sequence":"additional","affiliation":[{"name":"Department of Oral Pathology and Radiology, Institute of Dentistry, University of Turku , Turku, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sisko","family":"Huumonen","sequence":"additional","affiliation":[{"name":"Institute of Dentistry, University of Eastern Finland , Kuopio, Finland"},{"name":"Diagnostic Imaging Center, Kuopio University Hospital , Kuopio, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pekka","family":"Vallittu","sequence":"additional","affiliation":[{"name":"Department of Biomaterials Science and Turku Clinical Biomaterials Centre \u2013 TCBC, Institute of Dentistry, University of Turku , Turku, Finland"},{"name":"Welfare Division, City of Turku , Turku, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Timo","family":"N\u00e4rhi","sequence":"additional","affiliation":[{"name":"Department of Prosthetic Dentistry and Stomatognathic Physiology, Institute of Dentistry, University of Turku , Turku, Finland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"286","published-online":{"date-parts":[[2023,9,4]]},"reference":[{"key":"2024011814550824800_b1","doi-asserted-by":"crossref","first-page":"286","DOI":"10.1111\/j.1600-051X.2008.01274.x","article-title":"Definition and prevalence of peri-implant diseases","volume":"35","author":"Zitzmann","year":"2008","journal-title":"J Clin Periodontol"},{"key":"2024011814550824800_b2","doi-asserted-by":"crossref","first-page":"S286","DOI":"10.1111\/jcpe.12957","article-title":"Peri-implant diseases and conditions: consensus report of Workgroup 4 of the 2017 world workshop on the classification of Periodontal and peri-implant diseases and conditions","volume":"45","author":"Berglundh","year":"2018","journal-title":"J Clin Periodontol"},{"key":"2024011814550824800_b3","doi-asserted-by":"crossref","first-page":"63","DOI":"10.1111\/j.1600-0757.1998.tb00124.x","article-title":"The diagnosis and treatment of peri-Implantitis","volume":"17","author":"Mombelli","year":"1998","journal-title":"Periodontol 2000"},{"key":"2024011814550824800_b4","doi-asserted-by":"crossref","first-page":"S158","DOI":"10.1111\/jcpe.12334","article-title":"Peri-implant health and disease. 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