PENGARUH PERENDAMAN JAMU KUNYIT ASAM (Curcuma domesticaVal – Tamarindusindica) TERHADAP PERUBAHAN WARNA RESIN KOMPOSIT NANOHYBRID

Faylina, Seffy Vera, J2A015002 (2019) PENGARUH PERENDAMAN JAMU KUNYIT ASAM (Curcuma domesticaVal – Tamarindusindica) TERHADAP PERUBAHAN WARNA RESIN KOMPOSIT NANOHYBRID. Sarjana / Sarjana Terapan (S1/D4) thesis, ["eprint_fieldopt_institution_Universitas Muhammadiyah Semarang" not defined].

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Abstract

Abstract Background:Nanohybrid composite resins have some advantages, such as surface smoothness, good strength, and minimal shrinkage. Composite resin color change can occur extrinsically and intrinsically, which extrinsic color change caused by dyes attached to the surface of composite resins and intrinsic color change caused by oxidation of monomers. Turmeric tamarind is an Indonesian traditional drink with the main ingredients of turmeric and tamarind with a variety of benefits. Objective: To determine the degree of nanohybrid composite resin color change after the submersion with turmeric tamarind traditional drink(Curcuma domestica Val - Tamarindus indica). Method: This research is an experimental laboratory research with pre and post test only group design. The research samples were 16 nanohybrid composite resin pieces with a size of 10 x 2 mm. Samples were treated with turmeric tamarind traditional drink submersion as much as 5 ml of each specimen for 7x24 hours and replaced every day, while the measurements were carried out with a UV-2401 PC Spectrophotometerbefore and after the submersion. The research analyzed different tests with paired t-test. Results: The average value of dE*ab before the submersion was 14,06 and after the submersion was 53,63 indicating a value of p < 0,05 from comparison between before and after the submersion with turmeric tamarind traditional drink. Conclusion: There was a significant color change after the turmeric tamarind traditional drink submersion (Curcuma domestica Val - Tamarindus indica) on nanohybrid composite resin. Keywords: nanohybrid composite resin, color change, turmeric tamarind traditional drink

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