Raditya Nugroho
Bagian Konservasi Fakultas Kedokteran Gigi Universitas Jember

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The effect of carbonated beverage to the discoloration of polished and unpolished nanohybrid composite resin Hany Maghfiroh; Raditya Nugroho; Niken Probosari
Journal of Dentomaxillofacial Science Vol. 1 No. 1 (2016): (Available online: 1 April 2016)
Publisher : DiscoverSys Inc.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15562/jdmfs.v1i1.18

Abstract

Nanohybrid resin composite is one of the restorative dental materials that has goodaesthetic value and smooth surface. However, resin composite can be discolored due toconsuming foods and beverages, one of which is a carbonated beverage. To determine the difference of discoloration of polished and unpolished nanohybrid resin compositeafter the immersion in carbonated beverage. An experimental laboratories research withthe post test only control group design. In the group of polished composite, polishing wasdone on one side only, while the unpolished composit group, any treatment wasn't done.The total were 32 samples, divided into 4 groups which were immersed in carbonatedbeverages and artificial saliva for 7 days. The shredded material was replaced every 24hours. The instrument used for testing the discoloration was a spectrophotometer. Datawas analyzed by parametric statistical test One-way ANOVA and LSD (Least SignificantDifferent). There were significant differences between the unpolished composite resin thatsoaked in carbonated beverages and the other groups (p <0.05). Unpolished resincomposite are prone to discolorate compared to the polished resin composite
PERUBAHAN WARNA RESIN KOMPOSIT NANOFILLER SETELAH PERENDAMAN DALAM MINUMAN SUSU FERMENTASI (PENELITIAN IN VITRO) Istibsyaroh I; Sri Lestari; Raditya Nugroho
The Indonesian Journal of Health Science Vol 10, No 1 (2018): The Indonesian Journal Of Health Science
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/the.v10i1.1453

Abstract

Resin komposit adalah salah satu jenis bahan tumpatan gigi anterior yang populer karena memiliki kelebihan dalam bidang estetik dan sewarna gigi. Komposit nanofiller memiliki sifat mekanik lebih baik dibandingkan microhybrid dan dapat mempertahankan kehalusan selama pemakaian setara microfiller. Resin komposit dapat mengalami perubahan warna di dalam rongga mulut, salah satunya dapat disebabkan oleh minuman dengan pH rendah. Tujuan penelitian adalah mengetahui adanya pengaruh perendaman di dalam minuman susu fermentasi terhadap perubahan warna resin komposit nanofiller. Selain itu untuk mengetahui adanya perbedaan perubahan warna resin komposit nanofiller selama perendaman 6, 12, dan 18 jam. Jenis penelitian yang digunakan adalah eksperimental laboratories dengan rancangan penelitian desain grup pretest and post test. Sampel berjumlah 24 direndam dalam susu fermentasi selama 6, 12, dan 18 jam. Pengukuran perubahan warna menggunakan spektrofotometer optik untuk mengetahui nilai intensitas cahaya. Nilai perubahan warna tampak pada besarnya nilai intensitas cahaya yang muncul pada alat spektrofotometer optik.  Analisis data menggunakan uji Paired-T Test dan One Way Annova. Nilai uji intensitas cahaya  sesudah perlakuan lebih tinggi dari sebelum perlakuan. Selisih rata-rata nilai uji intensitas cahaya sebelum dan setellah perlakuan paling tinggi pada perendaman 18 jam dan paling rendah pada perendaman 6 jam. Resin komposit nanofiller mengalami perubahan warna setelah dilakukan perendaman dalam minuman susu fermentasi dengan perbedaan yang signifikan. Kata kunci: Resin Komposit, Perubahan Warna, Estetik, Susu Fermentasi, Nanofiller
Microleakage of Nanofiller Resin Composite, Glass Ionomer Cement and Resin Modified Glass Ionomer Cement in Class V Cavities Sania Wahyuanafi Arstiara; Dwi Warna Aju Fatmawati; Raditya Nugroho
Pustaka Kesehatan Vol 10 No 3 (2022): Volume 10 No.3, 2022
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/pk.v10i3.18956

Abstract

Class V cavity is cavity happened in a third of anterior or posterior teeth cervix that can be restored with resin composite, glass ionomer cement, and resin modified glass ionomer cement. Discoloration is often seen in the marginal of the filling that caused by microleakage. The purpose of the study is to find out aesthetic restoration microleakage in class V cavity. This study type is laboratory experimental research. There are 12 samples of maxillary premolar which were prepared for class V cavity. Group I restored with resin composite (n=4), group II restored with glass ionomer cement (n=4) and group III restored with resin modified glass ionomer cement (n=4). Furthermore, premolar teeth that have been filled soaked into methylene blue solution for 24 hours at 37°C. The microleakage value is measured based on the penetration depth of methylene blue solution at the marginal of the cavity. The average calculation of microleakage in sequence is resin modified glass ionomer cement, glass ionomer cement, and resin composite. The conclusions of this study prove that there is significant difference in microleakage value of each group samples. Keyword: Class V cavity, Microleakage, Resin composite, Glass ionomer cement, Resin modified glass ionomer