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All Journal Jurnal Kedokteran Diponegoro Dentino: Jurnal Kedokteran Gigi
Nadia Hardini
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Dentistry Medicine & Pharmacology

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Journal : Dentino: Jurnal Kedokteran Gigi

 1 
THE EFFECT OF GLYCERIN APPLICATION ON SURFACE HARDNESS OF NANOHYBRID COMPOSITE RESIN IMMERSED IN ALCOHOLIC MOUTHWASH Tio Aldi Nugroho; Gloria Fortuna; Lusiana Batubara; Nadia Hardini
Dentino : Jurnal Kedokteran Gigi Vol 8, No 1 (2023)
Publisher : FKG Unlam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/dentino.v8i1.16088

Abstract

ABSTRACT Background: Composite resin is the most commonly used restorative material. One of properties composite resins is surface hardness can change due to exposure of the restorative material to oral fluids such as alcoholic mouthwash. The degradation that occurs due to alcoholic mouthwash is able to reduce the surface hardness of the nanohybrid composite resin. Glycerin is able to increase the hardness of the composite resin by perfecting the polymerization that occurs in the restorative material when exposed to light cured light. Objectives: This study aims to determine the effect of glycerin application on the hardness of nanohybrid composite resins after immersion in alcoholic mouthwash. Methods: A total of 32 samples of nanohobride composite resin in this study were made in the form of a cylinder with a diameter of 5 mm and a thickness of 2 mm. The nanohybrid composite resin samples were divided into control and treatment group by applying glycerin on the sample surface before light curing. The study was continued by immersing the sample into artificial saliva for 24 hours and alcoholic mouthwash for 6 hours. The research continued with surface hardness test using the Vickers Hardness Tester. Result : Paired bivariate T test showed a significant difference between the two groups (p<0.005). The conclusions of this study indicate that the application of glycerin has an effect on the hardness of the nanohybrid composite resin after immersion with alcoholic mouthwash. Conclusion: The application of glycerin affects the hardness of the nanohybrid composite resin after immersion with alcoholic mouthwash.  Key words: Glycerin application, Hardness, Nanohybrid composite resin
THE EFFECT OF GLYCERIN APPLICATION ON ROUGHNESS OF NANOHYBRID COMPOSITE RESIN IMMERSED IN ISOTONIC DRINK Laila Rahma Milenia; Surya Nelis; Brigitta Natania Brigitta Natania Renata Purnomo; Nadia Hardini
Dentino : Jurnal Kedokteran Gigi Vol 8, No 1 (2023)
Publisher : FKG Unlam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/dentino.v8i1.16087

Abstract

ABSTRACTBackground: Composite resin is the most commonly used restorative material. One type of composite resin based on the filler material is a nanohybrid composite resin which has the advantage of good strength and smooth surface to produce good improvements in terms of durability and aesthetics. The roughness of the resin can be affected by drinks with low pHs, such as isotonic drink. Glycerin can reduce the roughness of the composite resin by acting as a barrier so that an oxygen inhibition layer (OIL) is not formed. Purpose: This study is to determine the effect of glycerin application on the roughness of nanohybrid composite resin immersed in an isotonic drink. Method: A total of 32 samples of nanohybrid composite resin used in this study were made with a diameter of 5 mm and a thickness of 2 mm. The nanohybrid composite resin samples were divided into group I without glycerin application and group II with glycerin application before the light curing process. Both groups were then immersed in an isotonic drink for 18 hours in an incubator. The research continued with roughness testing using a surface roughness tester. Result: There was a significant difference in the roughness of the nanohybrid composite resin immersed in an isotonic drink with and without glycerin application. This is indicated by the p-value < 0.05 in the unpaired bivariate t-test, which means that there is a significant difference in the two sample groups.  Conclusion: The application of glycerin can reduce the roughness of the nanohybrid composite resin immersed in isotonic drink. Keywords: Glycerin application, Nanohybrid composite resin, Roughness.
Co-Authors Adidharma Himawan Brigitta Natania Brigitta Natania Renata Purnomo Endang Sri Lestari Gloria Fortuna Laila Rahma Milenia Lusiana Batubara Prihatiningsih, Tyas Rebriarina Hapsari Rizki Nurida Rahmawati Surya Nelis Tio Aldi Nugroho Vivi Indah Fatmasari