{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,22]],"date-time":"2026-09-22T05:10:52Z","timestamp":1790053852729,"version":"4.0.1"},"reference-count":44,"publisher":"Wiley","issue":"7","license":[{"start":{"date-parts":[[2023,11,1]],"date-time":"2023-11-01T00:00:00Z","timestamp":1698796800000},"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":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To compare the impact of three different chemical denture cleansers (CDCs) (Corega, chlorhexidine, and hydrogen peroxide) on the surface roughness, microhardness, and color stability of 3D\u2010printed, computer\u2010aided design and computer\u2010aided manufacturing (CAD\u2010CAM) milled, and heat\u2010polymerized denture base material (DBM).<\/jats:p><\/jats:sec><jats:sec><jats:title>Materials and Methods<\/jats:title><jats:p>A total of 420 disc\u2010shaped specimens (10 \u00b1\u00a00.1 \u00d7 2 \u00b10.1\u00a0mm) were fabricated using three different construction techniques: three\u2010dimensional (3D) printing (<jats:italic>n<\/jats:italic> = 140), CAD\u2010CAM milling (<jats:italic>n<\/jats:italic> = 140), and heat\u2010polymerization (<jats:italic>n<\/jats:italic> = 140). Sixty specimens (20 of each DBM) were used for baseline (pre\u2010immersion) measurements (T<jats:sub>1<\/jats:sub>) for the tested surface properties (hardness [<jats:italic>n<\/jats:italic> = 10\/material] and roughness [<jats:italic>n<\/jats:italic> = 10\/material]). The remaining 360 specimens (<jats:italic>n<\/jats:italic> = 120\/material) were investigated for surface roughness, microhardness, and color change after immersion for 1 year (T<jats:sub>2<\/jats:sub>) in distilled water or CDCs (<jats:italic>n<\/jats:italic> = 30\/solution and <jats:italic>n<\/jats:italic> = 10\/test). The data were analyzed using two\u2010way ANOVA, one\u2010way ANOVA followed by post\u2010hoc Tukey's test at a significance level of less than 0.05.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Significant differences were observed in the effects of the tested CDCs on the surface roughness, micro\u2010hardness, and color stability of varying DBM specimens (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05). Corega showed the highest surface roughness and color change in all DBMs while H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> resulted in the lowest microhardness for all DBMs. The lowest changes in all tested properties were seen with distilled water followed by chlorhexidine. A significant effect of type of cleanser, denture base material, and the interaction between the two was seen on all measured properties (<jats:italic>p<\/jats:italic>\u00a0&lt;\u00a00.05).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The tested CDCs significantly affected the surface properties of all DBMs but at varying degrees. Corega produced the highest negative effect on roughness and color change while H<jats:sub>2<\/jats:sub>O<jats:sub>2<\/jats:sub> dramatically affected the microhardness. Prolonged use of CDCs should be cautiously followed.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jopr.13761","type":"journal-article","created":{"date-parts":[[2023,9,28]],"date-time":"2023-09-28T12:38:04Z","timestamp":1695904684000},"page":"691-699","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":15,"title":["Impact of different chemical denture cleansers on the properties of digitally fabricated denture base resin materials"],"prefix":"10.1111","volume":"33","author":[{"given":"Ramy Abdallah Abd","family":"Elrahim","sequence":"first","affiliation":[{"name":"Department of Dental Biomaterials Faculty of Dental Medicine Al\u2010Azhar University  Cairo Egypt"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ahmed","family":"Shown","sequence":"additional","affiliation":[{"name":"Department of Prosthodontics Faculty of Dental Medicine Al\u2010Azhar University  Cairo Egypt"},{"name":"Al Mouwasat Hospital, Al Madinah Al 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