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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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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

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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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.

Effects of glycerin application on the hardness of nanofilled composite immersed in tamarind soft drinks Titis Mustikaningsih Handayani; Raditya Nugroho; Lusi Hidayati; Dwi Warna Aju Fatmawati; Agus Sumono
Dental Journal (Majalah Kedokteran Gigi) Vol. 52 No. 2 (2019): June 2019
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v52.i2.p95-99

Background: Loss of tooth structure is a consideration in the performance of restorative treatment involving nanofilled composite resins. Material polymerization factors and water absorption can affect the hardness of composite resins. Imperfect polymerization producing an oxygen inhibited layer (OIL) and causing water absorption can even compromise the hardness of nanofilled composite resins. Tamarind soft drink, on the other hand, has an acidic pH that compromises the hardness of nanofilled composite resins. Purpose: This study aimed to reveal the effects of glycerin application on the hardness of nanofilled composite resins immersed in tamarind soft drinks. Methods: The research constituted a laboratory experiment using 24 nanofilled composite resin samples with diameters of 5mm or 2mm, divided into six groups, namely: Group G, Group G AS 60, Group G AS 120, Group TG, Group TG AS 60, and Group TG AS 120. Glycerin was applied to the surfaces of three groups before curing, while the other three groups were not treated with glycerin. Finishing was subsequently conducted on all samples using a highspeed handpiece and superfine finishing bur, before they were polished with a low speed handpiece. The samples were then divided into specific groups, namely: a group with a 120-minute immersion time, a group with a 60-minute immersion time, and a group which was not immersed and maintained at a temperature of 37oC. Each sample was tested at three points using a Vickers hardness tester (VHT). Results: The results showed that the groups with glycerin had a higher hardness level than those groups. In addition, the non-immersed groups had a higher hardness level than those groups which were immersed. The one-way ANOVA test results confirmed that there was a statistically significant difference (p<0.05) between all groups. Conclusion: The application of glycerin to nanofilled composite resins immersed in tamarind soft drinks can increase their hardness levels.

The Relationship between Dental Caries and Oral Hygiene of Children 7-12 Years Old at SDN Baletbaru Jember Lusi Hidayati; Dwi Warna Aju Fatmawati; Suhartini Suhartini; Agustin Wulan Suci Dharmayanti
Jurnal Kesehatan Gigi Vol 9, No 1: Juni 2022
Publisher : Jurusan Keperawatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v9i1.8701

Dental caries is the most common dental and oral health problem experienced by school-age children aged 7-12 years. Dental and oral care behavior is essential in determining individual health status, especially oral health and the level of dental caries. Since the pandemic, SDN Balletbaru never provided counseling and assistance in maintaining oral health. However, since the pandemic, there has never been any assistance regarding dental and oral health maintenance. Based on this, the researchers wanted to examine the relationship between dental caries and the level of oral hygiene of children aged 7-12 years at SDN Balletbaru Jember. This descriptive research was carried out on the students of SDN Balletbaru, Jember Regency, aged 7-12 years. This research was conducted by examining OHI-s, DMF-T, and def-t. The results showed a relationship between oral hygiene, age, sex, and dental caries (R 0.5). In conclusion, there was a relationship between dental caries and the level of oral hygiene of children aged 7-12 years at SDN Balletbaru. Therefore, improving oral hygiene is necessary to promote and prevent dental caries. In order to make this effort a success, coordination and cooperation from all parties are needed, namely the students themselves, parents, teachers, and health workers

THE EFFECTIVENESS OF EDAMAME (GLYCINE MAX(L.) MERRILL) EXTRACT AS ACRYLIC RESIN DENTURE CLEANSER ON THE NUMBER OF CANDIDA ALBICANS Dewi Kristiana; Lusi Hidayati; Humam Rafif Nabil
ODONTO : Dental Journal Vol 9, No 1 (2022): July 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.9.1.88-94

Background: Cleaning in denture base is needed to reduce the Candida albicans colonization and prevent denture stomatitis. Denture cleaning can be mechanically cleaned with a toothbrush, or chemically cleaned by immersion. Another natural ingredient that can be used for immersion is edamame (Glycine max (L.) Merrill) extract because it contains saponins, which contain antifungal compounds that can inhibit C. albicans. The purpose of this study was to determine the effectiveness of edamame extract (Glycine max (L.) Merrill) as a heat-cured acrylic resin denture cleanser with concentrations of 25%, 50%, 75%, and 100% by soaking for 8 hours against the amount of C. albicans. Method: This research is a laboratory experimental study with 50 samples divided into 5 groups. The research group consisted of immersion acrylic resin samples with C. albicans contamination for 8 hours in the control group, namely sterile distilled water and the treatment group, namely edamame extract with concentraions of 25%, 50%, 75%, 100% and then spectrophotometer test to see the absorbance of C. albicans.Result: The ANOVA test result showed p <0.005 Based on the results of the LSD test, it showed that there was a significant difference (p<0.05) in most groups except the control group against the acrylic group soaked in 25% edamame extract and acrylic soaked in 75% edamame extract against the acrylic group soaked in 50% and 100% of edamame extractConclusion: Edamame extract at 100% concentration as acrylic resin denture cleanser was the most effective in reducing the amount of C. albicans by soaking for 8 hours

THE EFFECTIVENESS OF EDAMAME (GLYCINE MAX(L.) MERRILL) EXTRACT AS ACRYLIC RESIN DENTURE CLEANSER ON THE NUMBER OF CANDIDA ALBICANS Dewi Kristiana; Lusi Hidayati; Humam Rafif Nabil
Odonto : Dental Journal Vol 9, No 1 (2022): July 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Background: Cleaning in denture base is needed to reduce the Candida albicans colonization and prevent denture stomatitis. Denture cleaning can be mechanically cleaned with a toothbrush, or chemically cleaned by immersion. Another natural ingredient that can be used for immersion is edamame (Glycine max (L.) Merrill) extract because it contains saponins, which contain antifungal compounds that can inhibit C. albicans. The purpose of this study was to determine the effectiveness of edamame extract (Glycine max (L.) Merrill) as a heat-cured acrylic resin denture cleanser with concentrations of 25%, 50%, 75%, and 100% by soaking for 8 hours against the amount of C. albicans. Method: This research is a laboratory experimental study with 50 samples divided into 5 groups. The research group consisted of immersion acrylic resin samples with C. albicans contamination for 8 hours in the control group, namely sterile distilled water and the treatment group, namely edamame extract with concentraions of 25%, 50%, 75%, 100% and then spectrophotometer test to see the absorbance of C. albicans.Result: The ANOVA test result showed p <0.005 Based on the results of the LSD test, it showed that there was a significant difference (p<0.05) in most groups except the control group against the acrylic group soaked in 25% edamame extract and acrylic soaked in 75% edamame extract against the acrylic group soaked in 50% and 100% of edamame extractConclusion: Edamame extract at 100% concentration as acrylic resin denture cleanser was the most effective in reducing the amount of C. albicans by soaking for 8 hours

The effect of preheating on the color stability of microhybrid composite resin after immersion in carbonated beverages and black tea: an experimental study Nugroho, Raditya; Penga, Yohana Maria; Al Ghifari, Faiq Aqil; Wulandari, Erawati; Hidayati, Lusi
Padjadjaran Journal of Dentistry Vol 36, No 3 (2024): November 2024
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol36no3.58667

Introduction: Composite resin is commonly used in restorative dentistry due to its pleasing aesthetics. However, this material tends to experience discoloration, a vital standard reflecting the restoration’s success. Studies show that preheating is effective in maintaining the color stability of other types of composite resin; nevertheless, the effect on microhybrid composite resin is not fully understood. This study aimed to analyze the effect of preheating on the color stability of microhybrid composite resins after immersion in carbonated beverages and black tea. Method: Twenty-four Z250 shade A2 composite resin discs, each with a diameter of 7 mm and a thickness of 2 mm, were divided into four groups (n=6). While groups I and II underwent a preheating process at 68°C before being soaked in carbonated drinks and black tea, groups III and IV were prepared at room temperature (25°C) without preheating and soaked in carbonated drinks and black tea. The discoloration of the samples was determined utilizing a UV-Vis spectrophotometer according to CIEL*a*b* color space. Data were analyzed using one-way ANOVA followed by the Least Significant Difference (LSD) test. Result: Preheating increased the color stability of composite resins. Preheated composite resins experienced significantly lower discoloration than composite resins at room temperature after soaking in carbonated drinks and black tea (p<0.05). Conclusion: preheating can minimize the color change of microhybrid composite resin after immersion in carbonated beverages and black tea.

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