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SINGLE VISIT ENDODONTIC TREATMANT ON LEFT MAXILLARY FIRST MOLAR WITH RECIPROCAL SYSTEM Wedagama, Dewa Made; Hartini, A.A.A.; Ernawati, Lusi
Interdental: Jurnal Kedokteran Gigi Vol 15 No 1 (2019): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Faculty of Dentistry, Mahasaraswati Denpasar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v15i1.341

Root canal treatment is a step in order to maintain and preserve the tooth. The success rate of root canal treatment depend on the degree of severity illness and treatment techniques are performed. Reciprocal system is a techniques which use rotary one file endodontic. Single visit endodontic on this treatment was chosenbecause this techniques provide distinct advantages, more economical cost and risk contamination can be reduced.Female 25 years-old with irreversible pulpitis in maxillary left first molar, on the X-ray picture of the root canal looks normal without any narrowing. Root canal treatment performed with anesthetic infiltration pehacain 2 %, using rubber dam during treatment to prevent bacterial contamination and access opening. Tooth preparation using rotary one file reciprocal system R#25, previously done by determining work length with apex locator and confirm with X-ray picture. Obturation with single cone gutta percha R#25 and top seal paste, cotton pellet and temporary material filling. Control after 24 hours, percussion is negative, patient feel little ofpain.Success of endodontic is depend on eliminate bacterial product. One visit endodontic with reciprocal technique is a relatively reliable and simple technique for dentist.

KOMBUCHA TEA MENURUNKAN JUMLAH BAKTERI Streptococcus mutans PADA PENDERITA KARIES Ernawati, Kadek Lusi
Interdental: Jurnal Kedokteran Gigi Vol 13 No 2 (2017): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Faculty of Dentistry, Mahasaraswati Denpasar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v13i2.358

Dental caries is an endemic disease that high prevalence and severity. Bacteria, such as Streptococcus mutans are the flora of the mouth, potentially cause caries by producing acid that could demineralize enamel of the tooth. The aim of the study wasw to prove the decreasing of the Streptococcus mutans by rinsing 10-days fermented kombucha tea. The design of this study was experimental Randomized pretest and posttest. These research used two groups:each groups contain 13 subjects. One group as a control and one group as a treatment group. The control group rinsed with sterile distilled water and the treatment group rinsed with 10-days fermented kombucha tea. Datas were analized with paired T-test. Result showed that mean of S. mutans bacteria after treated (rinse 10-days fermented kombucha tea) significantly decreased (p <0.05). It was concluded that rinsing with 10-days fermented kombucha tea could decrease number of Streptococcus mutans. Further research was needed to determine the mechanism of kombucha tea.

SINGLE VISIT ENDODONTIC TREATMANT ON LEFT MAXILLARY FIRST MOLAR WITH RECIPROCAL SYSTEM Dewa Made Wedagama; A.A.A. Hartini; Lusi Ernawati
Interdental: Jurnal Kedokteran Gigi Vol. 15 No. 1 (2019): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Faculty of Dentistry, Mahasaraswati Denpasar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v15i1.341

Root canal treatment is a step in order to maintain and preserve the tooth. The success rate of root canal treatment depend on the degree of severity illness and treatment techniques are performed. Reciprocal system is a techniques which use rotary one file endodontic. Single visit endodontic on this treatment was chosenbecause this techniques provide distinct advantages, more economical cost and risk contamination can be reduced.Female 25 years-old with irreversible pulpitis in maxillary left first molar, on the X-ray picture of the root canal looks normal without any narrowing. Root canal treatment performed with anesthetic infiltration pehacain 2 %, using rubber dam during treatment to prevent bacterial contamination and access opening. Tooth preparation using rotary one file reciprocal system R#25, previously done by determining work length with apex locator and confirm with X-ray picture. Obturation with single cone gutta percha R#25 and top seal paste, cotton pellet and temporary material filling. Control after 24 hours, percussion is negative, patient feel little ofpain.Success of endodontic is depend on eliminate bacterial product. One visit endodontic with reciprocal technique is a relatively reliable and simple technique for dentist.

KOMBUCHA TEA MENURUNKAN JUMLAH BAKTERI Streptococcus mutans PADA PENDERITA KARIES Kadek Lusi Ernawati
Interdental: Jurnal Kedokteran Gigi Vol. 13 No. 2 (2017): Interdental Jurnal Kedokteran Gigi (IJKG)
Publisher : Faculty of Dentistry, Mahasaraswati Denpasar University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46862/interdental.v13i2.358

Dental caries is an endemic disease that high prevalence and severity. Bacteria, such as Streptococcus mutans are the flora of the mouth, potentially cause caries by producing acid that could demineralize enamel of the tooth. The aim of the study wasw to prove the decreasing of the Streptococcus mutans by rinsing 10-days fermented kombucha tea. The design of this study was experimental Randomized pretest and posttest. These research used two groups:each groups contain 13 subjects. One group as a control and one group as a treatment group. The control group rinsed with sterile distilled water and the treatment group rinsed with 10-days fermented kombucha tea. Datas were analized with paired T-test. Result showed that mean of S. mutans bacteria after treated (rinse 10-days fermented kombucha tea) significantly decreased (p <0.05). It was concluded that rinsing with 10-days fermented kombucha tea could decrease number of Streptococcus mutans. Further research was needed to determine the mechanism of kombucha tea.

Effectiveness of Black Cumin Extract (Nigella Sativa) in Inhibiting The Growth of Staphylococcus Aureus Bacteria in Vitro Lusi Ernawati; Sumantri Sumantri; Wedagama Wedagama; Ari Astuti; Diyah Fatmasari
Jurnal Kesehatan Gigi Vol 10, No 1: Juni 2023
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v10i1.9531

Karies gigi yang mencapai pulpa dapat menyebabkan nekrosis pulpa. Bakteri yang dapat menyebabkan nekrosis pulpa, salah satunya Staphylococcus aureus. Perawatan terhadap nekrosis pulpa adalah dengan melakukan perawatan saluran akar (PSA). Salah satu tahapan dalam PSA adalah sterilisasi saluran akar dengan menggunakan kalsium hidroksida (calcium hydroxide) atau kresotin (cresotin). Penggunaan obat kimia, utamanya dalam jangka panjang, dapat menimbulkan efek samping, sehingga diperlukan bahan alternatif lain yang lebih aman dan alami, seperti penggunaan jintan hitam (Nigella sativa). Zat aktif yang terkandung dalam jinten hitam dapat bersifat sebagai antibakteri diantaranya adalah tannin, terpenoid, saponins, alkaloids. Penelitian ini bertujuan untuk mengetahui efektifitas ekstrak jinten hitam dalam menghambat pertumbuhan bakteri Staphylococcus aureus secara invitro dengan metode difusi agar. Penelitian ini menggunakan ekstrak biji jintan hitam (Nigella sativa) dengan konsentrasi 50%, 75% dan 100%. Rancangan penelitian yang digunakan adalah penelitian Post Test Only Control Group Design, yang terdiri dari lima kelompok yakni, kelompok kontrol negatif (aquadest steril), kelompok perlakuan 1 (ekstrak jintan hitam konsentrasi 50%), kelompok perlakuan 2 (ekstrak jintan hitam konsentrasi 75%), kelompok perlakuan 3 (ekstrak jintan hitam konsentrasi 100%) dan kelompok kontrol positif (cresotin). Sampel yang digunakan dalam penelitian ini adalah bakteri Staphylococcus aureus ATCC 25923, dan besar sampel yakni pengulangan sebanyak lima kali untuk setiap kelompok. Hasil uji statistik dengan man witney U terdapat perbedaan yang signifikan antar kelompok dalam menghambat pertumbuhan bakteri Staphylococcus aureus secara in vitro. Simpulan deari penelitian ini bahwa ekstrak jintan hitam (Nigella sativa) dengan konsentrasi 50%, 75% dan 100% dapat menghambat pertumbuhan bakteri Staphylococcus aureus secara in vitro.

Enhanced Optical Properties of ZnO-TiO2 Films Through Co-Sensitization with Multiple Natural Dyes Musyarofah, Musyarofah; Nuraini, Inas; Prayitno, Budi; Ernawati, Lusi; Ismail, Andi Idhil; Triwikantoro, Triwikantoro
Indonesian Journal of Chemistry Vol 25, No 1 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.96154

The ZnO-TiO2 films were co-sensitized with single, double, and triple natural dyes, leading to distinct effects on the optical properties. ZnO (wurtzite) and TiO2 (anatase) were prepared from commercial powders and the XRD results revealed that the crystallite size is 158 and 443 nm, respectively. The UV absorbance of ZnO powder shows significant peaks at wavelengths of 255 and 345 nm, with a band gap energy of 3.07 eV. Meanwhile, TiO2 powder exhibits a maximum peak at 325 nm and possesses a band gap energy of 3.16 eV. The extraction of natural dyes (Moringa oleifera, Biancaea sappan, Matricaria chamomilla, Rosa, and Chrysanthemum) was carried out using a cost-effective and simple method involving immersion in ethanol for 2 × 24 h followed by filtration. FTIR test results show the presence of O–H, C–H, C=C, and C–O functional groups. The results of coating the ZnO-TiO2 film with natural dyes show that the UV spectrum peaks are higher than the visible light wavelength. Co-sensitization of double natural dyes demonstrated different effects on the ZnO-TiO2 film, i.e., achieved panchromatic absorption mainly in the UV wavelength spectrum.

Characterization of Zn-Doped MgTiO3 Powders Synthesized by Dissolved Metals Mixing Method Musyarofah, Musyarofah; Tanaka, Isao; Mohamed, Zakiah; Poo-arporn, Yingyot; Ernawati, Lusi; Yudoyono, Gatut; Prayitno, Budi
Indonesian Journal of Chemistry Vol 25, No 2 (2025)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijc.95879

Zn-doped magnesium titanate powders with different Zn compositions, x = 0 to 1, were synthesized using the dissolved metals mixing method. The roles of calcination temperature and dopant Zn composition on powder morphology, phase composition, crystallite size, crystalline cell volume, and local environment were investigated through scanning electron microscope (SEM) observation, Rietveld analysis of powder X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy and X-ray absorption spectroscopy (XAS) for Ti K-edge X-ray absorption near edge structures (XANES). We found that the geikielite solid solutions were formed during the pre-calcination at 400 °C for 1 h. Results show spherical particles (~1 µm) with minimal size variation across calcination temperatures (600–800 °C) and Zn compositions, though some agglomeration occurs. After calcination at 600 °C for 4 h, the crystalline cell volume of geikielite was proportional to the Zn composition, implying the formation of the solid solution in the range of Zn composition up to the level close to x = 1. This successful synthesis of the Zn-doped magnesium titanate nanocrystals at temperatures much lower than those required by the solid-state reaction method was thereby well demonstrated.

Surface Modification of Carbon Nanotubes (Cnnts) as Electrode of Hybrid Energy Storage Device (Supercapacitor) Reza, Mutia; Pusfitasari, Memik Dian; Ernawati, Lusi; Sari, Thalia Winda; Wardhani, Ranti Kusuma; Sylvia, Novi; Maharsih, Inggit Kresna
Journal of Renewable Energy, Electrical, and Computer Engineering Vol. 5 No. 1 (2025): March 2025
Publisher : Institute for Research and Community Service, Universitas Malikussaleh, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jreece.v5i1.20250

Supercapacitors have an advantage in the form of a higher specific capacitance than conventional capacitors. This alternative is the right idea if it is used to solve the problem of using hybrid energy storage demand. This study aims to analyze the variation in the ratio between activator and carbon nanotubes (Cnnts) that function as electrodes. Electrodes are one of the constituent components of supercapacitors, so they are important to review. Electrodes in the form of Cnnts activated using H2SO4 and HNO3 were analyzed through SEM and FTIR characterization. The activation process produces mesoporous size on the electrode. The activation method is also able to form aromatic compounds that are important for heat stability and electrical conductivity.

PENGOLAHAN SAMPAH PADAT TPAS MANGGAR MENJADI PRODUK BIOPELLET (REFUSE-DERIVED FUEL) DENGAN MESIN PELLETIZER BERBASIS SISTEM PENGGERAK ROLLER Ernawati, Lusi; Ginting, Rizqy Romadhona; Lestari, Rizka; Raihan, Muhammad; Sianturi, Hizkia Gunawan Parulian; Kurniawati, Diniar Mungil; Amrullah, Apip; Farobie, Obie; Prawisudha, Pandji
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 3 (2025): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i3.31314

Abstrak: Dinas Lingkungan Hidup (DLH) Balikpapan memperingatkan bahwa kapasitas Tempat Pemrosesan Akhir Sampah (TPAS) Manggar diperkirakan akan mencapai batas maksimal pada tahun 2026 apabila tidak dilakukan upaya pengelolaan yang lebih optimal. Beberapa cara mengkonversi limbah padat menjadi bahan bakar telah dilakukan untuk mengurangi volume sampah padat yang semakin meningkat. Namun, tidak menunjukkan hasil yang signifikan, sehingga upaya pengolahan sampah padat terus dilakukan. Kegiatan pengabdian masyarakat ini bertujuan untuk meningkatkan kemampuan masyarakat, khususnya komunitas pengelola sampah TPAS Manggar, dengan melatih mereka membuat produk biopellet menggunakan mesin pelletizer yang berbasis sistem penggerak roller. Kegiatan pengabdian dilakukan dengan melibatkan 25 peserta dari komunitas pengelola sampah TPAS Maggar. Kegiatan ini mencakup penyampaian materi teori, yang meliputi sosialisasi mengenai sampah padat, pemilahan sampah, dan manajemen pengolahannya. Selain itu, dilakukan demonstrasi penggunaan alat pelletizer, praktik langsung pembuatan biopellet, serta evaluasi melalui pre-test dan post-test. Dengan menggunakan analisis statistik Paired Two Sample for Means, terdapat peningkatan yang signifikan dalam tingkat pengetahuan serta keterampilan anggota kelompok pelatihan. Perbedaan rerata skor pre-test dan post-test yang secara statistik signifikan mengindikasikan bahwa program pelatihan tersebut memiliki dampak yang positif terhadap kemampuan para peserta. Dengan hasil evaluasi ini, pelatihan serupa diharapkan dapat direplikasi di komunitas lain sebagai upaya peningkatan kesadaran lingkungan dan penerapan teknologi ramah lingkungan dalam pengelolaan sampah.Abstract: The Balikpapan Environmental Agency (DLH) has issued a warning that the Manggar Final Waste Processing Site (TPAS) may reach full capacity by 2026 unless more effective waste management strategies are implemented. Although various methods of converting solid waste into fuel have been attempted to address the growing waste volume, these efforts have yet to produce significant results. Consequently, solid waste processing initiatives remain ongoing.In response, a community service program was initiated to enhance the capabilities of local residents, particularly members of the Manggar TPAS waste management team. This initiative focused on training participants in the production of biopellets using a pelletizer machine equipped with a roller drive system. A total of 20 community members took part in this program. The training included the presentation of theoretical material covering topics such as solid waste management, sorting procedures, and waste processing techniques. It also featured hands-on sessions where participants practiced operating the pelletizer and producing biopellets. To assess the program’s effectiveness, participants underwent pre- and post-training evaluations. Using the Paired Two Sample for Means statistical method, the data revealed a significant improvement in the participants’ knowledge and skills. The measurable increase in average test scores demonstrates the positive impact of the training. Based on these findings, it is advisable to implement similar initiatives in other communities to encourage environmental awareness and the use of sustainable waste management technologies.

PELATIHAN DAN SOSIALISASI ALAT DEGRADATOR FOTOKATALITIK LIMBAH ZAT PEWARNA PUSAT KERAJINAN BATIK SHAHO BALIKPAPAN Ernawati, Lusi; Ginting, Rizqy Romadhona; Musyarofah, Musyarofah; Payungalo, Juwita; Maulidah, Istiana
JMM (Jurnal Masyarakat Mandiri) Vol 9, No 3 (2025): Juni
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jmm.v9i3.31626

Abstrak: Provinsi Kalimantan Timur dikenal tidak hanya karena kekayaan alamnya, tetapi juga keragaman seni rupanya, seperti Batik Shaho dari Balikpapan yang menjadi identitas budaya lokal. Berdasarkan hasil observasi tim pengabdian masyarakat, dalam beberapa tahun terakhir, produsen Batik Shaho beralih dari pewarna alami ke sintetis seperti remasol dan naphtol demi efisiensi, meskipun bahan tersebut bersifat genotoksik, karsinogenik, dan tergolong limbah B3. Tujuan dari pengabdian masyarakat ini adalah mengusung konsep pendampingan yang berkelanjutan dengan memberikan pemahaman dan keterampilan baru bagi mitra Batik Shaho dalam menggunakan alat degradator fotokatalitik limbah zat pewarna kain batik. Pendampingan ini difokuskan pada pelatihan dan sosialisasi pengunaan alat degradator zat pewarna kain batik yang diharapkan dapat membantu para perajin dalam menangani buangan limbah zat pewarna. Mempertimbangkan efisiensi penanganan limbah di wilayah mitra masih terbatas, tim pengabdian masyarakat ITK mengusulkan diseminasi teknologi dekolorator. Alat ini dilengkapi sensor degradasi real-time, material aktif TiO₂ berkinerja tinggi, dan lampu UV untuk mendukung proses dekolorisasi limbah pewarna. Sistem ini dirancang terintegrasi dan diharapkan mampu memberikan dampak signifikan dalam pengelolaan limbah zat pewarna. Inisiatif ini menjadi bagian dari upaya nyata untuk mewujudkan Gerakan peduli lingkungan melalui penerapan teknologi ramah lingkungan dan berkelanjutan. Indikator keberhasilan kegiatan ini dibuktikan melalui pengumpulan data sebanyak 25 responden peserta pelatihan. Berdasarkan hasil evaluasi kuesioner, lebih dari 90% peserta meraih skor rata-rata di atas 80. Hal tersebut mengindikasikan efektivitas pelatihan yang diselenggarakan dalam meningkatkan kompetensi dan pengetahuan para peserta, khususnya terkait pengelolaan limbah warna kain menggunakan teknologi degradator fotokatalitik.Abstract: East Kalimantan Province is known not only for its natural wealth, but also for its diverse fine arts, such as Batik Shaho from Balikpapan which is a local cultural identity. Based on the results of observations by the community service team, in recent years, Batik Shaho producers have switched from natural to synthetic dyes such as remasol and naphtol for efficiency, even though these materials are genotoxic, carcinogenic, and classified as B3 waste. The purpose of this community service is to carry the concept of sustainable assistance by providing new understanding and skills for Batik Shaho partners in using a photocatalytic degrader for batik fabric dye waste. This assistance focuses on training and socialization of the use of a batik fabric dye degrader which is expected to help craftsmen in handling dye waste. Considering that the efficiency of waste handling in partner areas is still limited, the ITK community service team proposed the dissemination of decolorizer technology. This tool is equipped with a real-time degradation sensor, high-performance TiO₂ active material, and UV lamps to support the dye waste decolorization process. This system is designed to be integrated and is expected to have a significant impact on dye waste management. This initiative is part of a real effort to realize the Environmental Care Movement through the application of environmentally friendly and sustainable technology. The indicator of the success of this activity is proven through the collection of data from 25 training participant respondents. Based on the results of the questionnaire evaluation, more than 90% of participants achieved an average score above 80. This indicates the effectiveness of the training held in improving the competence and knowledge of participants, especially related to the management of fabric color waste using photocatalytic technology.

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