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All Journal e-Journal Pustaka Kesehatan ODONTO Dental Journal Jurnal Kesehatan Gigi Dental Journal (Majalah Kedokteran Gigi) Padjadjaran Journal of Dentistry Literasi : Jurnal Ilmu Pendidikan Odonto dental journal
Lusi Hidayati, Lusi
Faculty Of Dentistry, Universitas Jember, Jember
Biochemistry, Genetics & Molecular Biology Dentistry Education Health Professions Immunology & microbiology Library & Information Science Medicine & Pharmacology Public Health

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Journal : e-Journal Pustaka Kesehatan

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Deformasi Plastis Nilon Termoplastik Setelah Direndam Dalam Ekstrak Biji Kopi Robusta (Plastic Deformation of Thermoplastic Nylon After Immersed In Robusta Coffee Bean Extract) Rizqiyatul Amiliyah; Agus Sumono; Lusi Hidayati
Pustaka Kesehatan Vol 3 No 1 (2015)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

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Abstract

Nylon thermoplastic has started being used as a denture base material because it is made of a flexible material that is not easily broken and good aesthetics. However Valplast has the disadvantage that easily absorbs water so as to affect the strength of the material that may result in changes in the form of the so-called plastic deformation. Robusta coffee bean extract is a herbal ingredients that can be used as a denture cleanser, chlorogenic acid contained in robusta coffee bean extract can supposedly break the chains of thermoplastic polyamide nylon. This aims of this study determine the effect of robusta coffee bean extract of the plastic deformation of thermoplastic nylon. This research is to design laboratory experimental post -test only control group design. The sample size of 64x10x2,5 mm totaling 24 samples. Samples were divided into 6 groups immersed in robusta coffee bean extract, sodium perborate and sterile distilled water for 4 days and 19 days. Plastic deformation of thermoplastic nylon plate was measured by using a Universal Testing Machine, by way of test equipment built at the sample with a second buffer distance of 50 mm, then the machine is switched on and the weight will drop right tools in the middle of the plate. One Way Annova test results showed that there were 0,000 significant difference between each group (p<0.05). The conclusion of this study is there are significant between the thermoplastic nylon plates after immersion with robusta coffee bean extract to deformation plastic. Keywords : Plastic deformation, robusta coffee been extract, thermoplastic nylon.
EFEKTIVITAS EKSTRAK BUNGA KAMBOJA PUTIH (Plumeria alba. L) SEBAGAI DENTURE CLEANSER TERHADAP PERTUMBUHAN Candida albicans PADA BAHAN BASIS GIGI TIRUAN NILON TERMOPLASTIK (Valplast) Effectiveness Of Cambodia White Flower Extract (Plumeria alba L.) As Dent Fitriana Wadianur; Lusi Hidayati; Yani Corvianindya Rahayu
Pustaka Kesehatan Vol 6 No 1 (2018)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/pk.v6i1.7148

Abstract

Background: Nylon thermoplastic (Valplast) is a flexible denture base that is used in the denture. The problem that often occurs in the use of denture namely the denture stomatitis are commonly caused by C. albicans. Denture cleanser is needed to prevent denture stomatitis by lowering the amount of C. albicans. Recently, denture cleanser from natural materials is being develope, one of them is cambodia white flower (Plumeria alba L.) extract. Cambodia white flower (Plumeria alba L.) contains bioactive compounds that are antibacterial and antifungal. Objective: To determine the effectiveness of immersion extract of cambodia white flower (Plumeria alba L.) with various concentrations as denture cleanser to amount of C. albicans in nylon thermoplastic (Valplast). Material and Methods: 25 plates nylon thermoplastic (10x10x1mm) were prepared and divided into 5 groups. The plates then contaminated with C. albicans, after that it was soaked in cambodia white flower extracts with varying concentrations for 30 minutes. The plates are subsequently placed in SDB media. Method to test the effectiveness of extract was done by looking at the SDB media turbidity with a spectrophotometer. Results and Conclusion: Cambodia white flower extract was effective in lowering the amount of C. albicans in denture base thermoplastic nylon. Cambodia white flower contained tannin, flavonoid, alkaloid and saponin which acted as antifungal that could decrease the amount of C. albicans. Keywords: Antifungal, Candida albicans, Nylon Thermoplastic and Cambodia White Flower
Uji Kedalaman Porositas Permukaan Bahan Pit dan Fissure Sealant Berbasis Resin Komposit dan Ionomer Kaca Setelah Direndam Saliva Buatan pH 5,5 (Depth Porosity Test of Surface Materials Pit and Fissure Sealant Based Resin Composite and Glass Ionomer After Annora Ramadhan; Sulistiyani Sulistiyani; Lusi Hidayati
Pustaka Kesehatan Vol 5 No 3 (2017)
Publisher : UPT Percetakan dan Penerbitan Universitas Jember

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Abstract

Background. Salivary pH between 5.6 to 7.0 in a normal state. pH below 5.5 included in environments susceptible to caries. Concentration of H+ ions which will outline the high Ca-P bond and will liberate ions into the surrounding environment. So that the material of fissure sealant will lose inorganic mineral constituent and formed on the surface porosity materials. If the sealant surface rough for their porosity can be a retention of plaque and calculus that may cause caries. Other than that, more porosity will affect the compression strength of the material used for fillings when chewing. Purpose. This research purposed to determine the depth of surface porosity difference between pit and fissure sealant materials based resin with glass ionomer after artificial saliva soaked with a pH of 5.5. Method. This research was a laboratory experimental research design with the post test only control group design. The total number of samples required were 16 samples. The tool used a Scanning Electron Microscope (SEM) with units of measurements µ m. Results. The average depth of the material surface porosity pit and fissure sealant resin-based composite of 2.805 μm, while the glass ionomer amounted to 1.912 μm. The surface material pit and fissure sealant resin composite-based artificial saliva soaked with a pH of 5.5 for 24 hours had a depth porosity greater than the surface material pit and fissure sealant glass ionomer-based. Keywords: Depth porosity, glass ionomer, pH 5,5, pit and fissure sealant, resin composite.
Co-Authors Agustin Wulan Suci Dharmayanti Al Ghifari, Faiq Aqil Annora Ramadhan Dewi Kristiana Dwi Warna Aju Fatmawati Erawati Wulandari Fitriana Wadianur Nabil, Humam Rafif Raditya Nugroho Raditya Nugroho, Raditya Rizqiyatul Amiliyah Suhartini Suhartini Sukati Sukati Sulistiyani . Sumono, Agus Titis Mustikaningsih Handayani Yani Corvianindya Rahayu Yohana Maria Penga