Abstract
Background: Tooth discoloration can be treated with dental bleaching using Hydrogen peroxide (H2O2). Dental bleaching may interfere with the shear bond strength of composite resins because the remaining free radicals can affect bonding polymerization. Epigallocatcehin-3-gallate (EGCG) as an antioxidant can neutralize the free radicals produced during bleaching process. Purpose: Analyze the role of EGCG antioxidants in increasing the shear bond strength of composite resin after bleaching.. Reviews: Of the seven journals included in this literature review, six journals reported significant difference, and one journal noted no significant difference in the shear bond strength of composite resin following the EGCG application. Conclusion: The use of EGCG can increase the shear bond strength value of post-bleaching composite resin restorations.
Highlights
Tooth discoloration problems as well as the aesthetic demand for a whiter smile from patients can be treated with a procedure in dentistry called dental bleaching
On the table was already a load of 50 Kgf which would move down to shift the teeth that had been restored by composite resin with a crosshead speed of 0.50 mm/ minute, the monitor screen is connected to the universal testing machine which would show a number indicating the shear force used in shifting the composite resin until it is released from the dentin surface, the amount of F is recorded on the machine screen to calculate the shear bond strength value.[21]
After the bleaching process, remaining free radicals from H2O2 will be formed which will inhibit the polymerization of the composite resin
Summary
Syarifah Nadhira Assyafira Al-Habsyi[1], Kun Ismiyatin 2, Galih Sampoerna3 1Undergraduate of Dental Medicine, Faculty of Dental Medicine, Universitas Airlangga, Surabaya-Indonesia 2,3Department of Conservative Dentistry, Faculty of Dental Medicine, Universitas Airlangga, Surabaya-Indonesia
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