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All Journal Jurnal Wiyata : Penelitian Sains dan Kesehatan Marine Science and Technology Journal Bhakta Dental Journal
Rudy S, Rudy
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Biochemistry, Genetics & Molecular Biology Dentistry Engineering Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Other

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Perbandingan Radiasi Sinar UV Pada Pelaksanaan Praktik Pengelasan (SMAW) Di Fakultas Kemaritiman UNISVET Dengan Peralatan Sterilisasi Corona Virus 19 Kurniawan, Ratna Dwi; S, Rudy
Marine Science and Technology Journal Vol 2 No 2 (2021): Marine Science and Technology Journal
Publisher : Universitas Ivet

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31331/maristec.v1i2.1591

Abstract

Covid19 has changed the behavior of the world's people, until the whole world is affected, schools, offices, public places are closed, restrictions on activities, this condition forces scientists to be extra hard to create inventions to overcome these problems. Medicines to treat it have not yet been found, but several vaccines have been found, but whether the effectiveness of the vaccines can really overcome the pandemic, then efforts that can be done are to minimize the spread of the corona virus. Apart from medicine and vaccines, research is also being conducted on the equipment that can be used to kill viruses. Equipment with UV light has been widely offered and even sold freely, even though the use of UV can not be arbitrary because it can cause irritation. In welding that also emits harmful UV radiation, with a current of 150 -200A, Radiation ranges from 0.87-3.2 W / m2 far beyond the allowable limit of 0.001W / m2, while that of the steilization equipment ranges from 2.8 W / m2 By looking at this comparison, can the implementation of welding practices on campus be said to be safe? Because the UV emission from welding the value is like that used in sterilization equipment.
PENGARUH EFFERVESCENT EKSTRAK BUAH NANAS (Ananas Cosmosus L.Merr) SEBAGAI DENTURE CLEANSER TERHADAP KEKUATAN TRANSVERSAL TERMOPLASTIK NILON s, rudy
Jurnal Wiyata Penelitian Sains dan Kesehatan Vol 10 No 2 (2023)
Publisher : LP2M IIK (Lembaga Penelitian dan Pengabdian Masyarakat Institut Ilmu Kesehatan) Bhakti Wiy

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56710/wiyata.v10i2.752

Abstract

Latar Belakang: Termoplastik nilon merupakan bahan yang dapat digunakan sebagai alternatif basis gigi tiruan. Ketahanan basis gigi tiruan dapat diuji menggunakan kekuatan transversal. Gigi tiruan harus selalu dibersihkan untuk mencegah terjadinya denture stomatitis. Salah satunya dengan merendam gigi tiruan dalam larutan desinfektan. Buah nanas (Ananas Cosmosus L.Merr) dapat digunakan sebagai denture cleanser karena mempunyai efek menghambat pertumbuhan bakteri. Tujuan: Mengetahui pengaruh pemberian effervescent ekstrak buah nanas (Ananas Cosmosus L.Merr) sebagai denture cleanser terhadap kekuatan transversal pada termoplastik nilon. Metode: True eksperimental laboratoris dengan rancangan post test only control group design. Hasil: Data dianalisis menggunakan uji non parametrik kruskall walls didapatkan nilai signifikansi sebesar 0,000 (p < 0,05) sehingga terdapat pengaruh pengaruh effervescent ekstrak buah nanas (Ananas Cosmosus L.Merr) sebagai denture cleanser terhadap kekuatan transversal termoplastik nilon. Kesimpulan: Effervescent ekstrak buah nanas dapat digunakan sebagai denture cleanser.
Perbandingan Perubahan Warna Resin Aklirik (Heat Cured) Dan Thermoplastic Nylon Terhadap Perendaman Teh Hijau Caezar, Herautami; Susanto, Husein Silalahi; Gustina, Mara; Mayangsari, Nino; S, Rudy; Lukis, Prima Agusti
Bhakta Dental Journal Vol 2 No 02 (2024): Desember
Publisher : Fakultas Kedokteran Gigi IIK Bhakti Wiyata, Kediri.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56710/bhaktadent.v2i02.46

Abstract

Abstract Background: Denture base materials, acrylic and thermoplastic nylon, have the disadvantage of high water absorption. Green tea contains tannins wich can cause discoloration of the denture base. Objective: To compare the magnitude of the color change in heat cured acrylic resin and thermoplastic nylon after being soaked in green tea. Method:The design of this research is laboratory experimental with a pretest and posttest only control group design, consisting of 2 groups. Group 1 is resin acrylic and Group 2 is thermoplastic nylon, both were soaked in green tea for 7 days. The samples were measured using a spectrophotometer. Results were analyzed using One Way ANOVA. Results: Based on the One-Way ANOVA test, it is known that the p-value of 0.000 is smaller than 0.05 (p < 0.05). so it can be said that there is a significant difference in color change of resin and thermoplastic nylon denture bases after being soaked in green tea. Conclusion: Thermoplastic nylon absorbs more color agent (tannis) compared to acrylic resin Keywords: Acrylic resin, Thermoplastic nylon, Green tea, Color change
Pengaruh Effervescent Ekstrak Kulit Manggis (Garcinia Mangostana L.) sebagai Denture Cleanser terhadap Kekuatan Transversal Termoplastik Nilon S, Rudy; Arifin, Nafilah Novianti; Mayangsari, Nino; Septommy, Catur; Gustina, Mara Gustina; Setiawati, Herautami Caesar Yulia
Bhakta Dental Journal Vol 3 No 2 (2025): Desember 2025
Publisher : Fakultas Kedokteran Gigi IIK Bhakti Wiyata, Kediri.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56710/bhaktadent.v3i2.65

Abstract

Background: Thermoplastic nylon is a flexible denture base. Denture base strength was measured by transverse strength test. A natural Denture Cleanser can be made from mangosteen peel extract. Mangosteen peel extract has antibacterial and antifungal properties so it can be used as a cleaning medium for nylon thermoplastic dental plates. Purpose: To determine the effect of soaking effervescent mangosteen rind extract (Garcinia mangostana L.) with concentrations of 30% and 60% as a Denture Cleanser on the transverse strength of thermoplastic nylon. Methods: True experimental laboratory research with a post test only control group design. This study used nylon thermoplastic samples with a total of 24 samples divided into 4 groups, namely control group (-), control (+), treatment 1 (30% mangosteen effervescent extract), and treatment 2 (60% mangosteen Effervescent extract). Results: The Shapiro-Wilk test showed results that were not normally distributed because the sig values ​​of the control group (-), control (+), and 60% mangosteen extract had a p value <0.05. In the homogeneity test between homogeneous groups. Then proceed with non-parametric statistical tests using the Kruskal Wallis test showing a p value <0.05. Conclusion: There is an effect of effervescent mangosteen rind extract (Garcinia mangostana L.) as a Denture Cleanser on the transverse strength of thermoplastic nylon. Keywords: Mangosteen Peel Extract, Denture Cleanser , Thermoplastic Nylon, Transverse Strength.
Co-Authors Arifin, Nafilah Novianti Caezar, Herautami Gustina, Mara Gustina, Mara Gustina Kurniawan, Ratna Dwi Lukis, Prima Agusti Mayangsari, Nino Setiawati, Herautami Caesar Yulia Susanto, Husein Silalahi