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G-Premio Bond, a universal adhesive system, was applied for all composite resin restorations. Restorations were evaluated using FDI criteria after 2 years. Data were analyzed using the Kruskal-Wallis and Friedman tests.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Results<\/jats:title>\n            <jats:p>At the end of two years, the group treated with Clearfil has showed a significantly higher surface gloss score compared to the G-aenial and Filtek groups. Additionally, it was seen that the marginal adaptation scores of the Clearfil group were similar to the Filtek group and significantly higher than the G-aenial group. In intra-group evaluations, the contact point scores of the Clearfil group showed a statistically significant increase compared to baseline and one-year follow-up assessments. The marginal adaptation scores of the Clearfil and Filtek groups also exhibited a statistically significant increase compared to baseline and one-year follow-up assessments.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Conclusions<\/jats:title>\n            <jats:p>High-filler flowable composite and bulk-fill composite exhibited better clinical properties regarding surface gloss compared to conventional composite. It was observed that the marginal adaptation property of the conventional composite were similar to the bulk-fill composite and lower than the high- filler flowable composite.<\/jats:p>\n          <\/jats:sec>\n          <jats:sec>\n            <jats:title>Clinical relevance<\/jats:title>\n            <jats:p>: The composite resins tested showed similar results in most of the scores evaluated.<\/jats:p>\n          <\/jats:sec>","DOI":"10.1007\/s00784-025-06207-6","type":"journal-article","created":{"date-parts":[[2025,2,13]],"date-time":"2025-02-13T05:55:37Z","timestamp":1739426137000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Comparison of the 2-year clinical performances of class II restorations using different restorative materials"],"prefix":"10.1007","volume":"29","author":[{"given":"Sevim","family":"Han\u00e7er Sar\u0131ca","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soley","family":"Arslan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hacer","family":"Balkaya","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2025,2,13]]},"reference":[{"key":"6207_CR1","doi-asserted-by":"publisher","first-page":"13","DOI":"10.5005\/jp-journals-10024-2205","volume":"19","author":"A Alrahlah","year":"2018","unstructured":"Alrahlah A (2018) Diametral tensile strength, flexural strength, and surface microhardness of bioactive bulk fill restorative. 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