Article Per Year (5 Year)
p-Index From 2020 - 2025
0.659
P-Index
This Author published in this journals
All Journal Majalah Kedokteran Gigi Indonesia JURNAL EDUCATION AND DEVELOPMENT AVERROUS: Jurnal Kedokteran dan Kesehatan Malikussaleh International Journal of Renewable Energy Development Al-Intaj : Jurnal Ekonomi dan Perbankan Syariah
Erwin Siregar
Bagian Ortodonti, Fakultas Kedokteran Gigi, Universitas Indonesia, Jakarta, Indonesia
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Health Professions Languange, Linguistic, Communication & Media Medicine & Pharmacology Nursing Public Health

Published : 8 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 8 Documents
Search

 1 
Deformasi Slot Beberapa Produk Braket Stainless Steel Akibat Gaya Torque Pada Kawat Stainless Steel Zairina, Atika; Siregar, Erwin; Ismaniati, Nia Ayu
Majalah Kedokteran Gigi Indonesia Vol 20, No 1 (2013)
Publisher : Majalah Kedokteran Gigi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (714.597 KB)

Abstract

Deformasi slot braket dapat mengurangi besar gaya torque  yang akan dihantarkan ke gigi dan jaringan pendukungnya. Beberapa braket stainless steel yang beredar dipasaran belum pernah diteliti kualitasnya dalam perawatan ortodonsi. Tujuan penelitian adalah untuk membandingkan besar gaya torque akibat sudut puntir 30° 45°  kawat stainless steel dan deformasi slot permanen akibat gaya torque tersebut antara kelompok merk braket (3M, Biom, Versadent, Ormco dan Shinye). Penelitian dilakukan pada lima puluh braket stainless steel edgewise dari lima kelompok merk braket (n=10) di lem ke akrilik. Masing-masing braket dilakukan pengukuran tinggi slot dengan mikroskop stereoskopi lalu dipasang ke alat uji torque yang sudah dibuat untuk penelitian ini. Setelah dilakukan uji torque, braket di ukur kembali tinggi slotnya dan dibandingkan dengan pengukuran sebelumnya untuk mengetahui adanya deformasi slot. Hasil analisis statistik menunjukkan perbedaan bermakna besar gaya torque pada sudut puntir 30° dan 45° antara Biom dan Shinye dengan Omrco. Gaya torque paling besar yaitu pada merk braket 3M (30°= 442,12 gmcm dan 45°= 567,99 gmcm), sedangkan yang terkecil adalah Biom (30°= 285,50 gmcm, 45°=361,38 gmcm). Perbedaan deformasi slot braket terjadi hampir pada semua kelompok merk braket. Deformasi slot braket hanya terjadi pada merk braket Biom (2,82 µm) dan Shinye (2,52 µm). Kesimpulan, salah satu faktor yang mempengaruhi besar gaya torque dan terjadinya deformasi slot yaitu komposisi dan proses manufaktur dari braket stainless steel. Proses manufaktur yang tidak sesuai standar dapat menyebabkan kualitas braket yang buruk. Deformasi slot permanen dalam penelitian ini terjadi pada merek braket Biom dan Shinye.ABSTRACT: Slot Deformation of Various Stainless Steel Bracket Due to Torque Expression On The Wire. Bracket slot deformation can reduce the amount of torque that will be transmitted to teeth and supporting tissues. The quality of some stainless steel brackets in the market is still questionable for orthodontic treatments. This research aims to compare the amount of torque expression due to torsion angle of 30° and 45° at the stainless steel wire and bracket slot permanent deformation caused by the torque in each examined bracket brands (3M, Biom, Versadent, Ormco and Shinye). Fifty Stainless Steel Edgewise brackets from five different brands (n = 10) were attached onto an acrylic. Each bracket slot width was measured with a stereoscopic microscope and then mounted onto a torque apparatus that had been prepared for this study. Once the torque test was done, the width of bracket slot was re-measured to determine if there was a difference from initial bracket slot width at 45°. The results of ANOVA showed significant differences in the amount of torque at torsion angle of 30°and 45° between Biom and Shinye with Omrco. The 3M transmitted the highest load (30°= 442,12 gmcm and 45°= 567,99 gmcm), while the lowest was of Biom (300  = 285,50 gmcm and 450 = 361,38 gmcm). Differences in slot bracket deformation were found virtually in all groups of bracket brands. Deformation of bracket slots occurs only in Biom (2.82 µm) and Shinye (2.52 µm). From the observation, it is concluded that one of the major factors that affect torque and deformation of bracket slot is composition and manufacturing process of the stainless steel brackets. Manufacturing process that does not meet the standard can lead to a poor quality bracket. Permanent slot deformation in this study occurrs with Biom and Shinye bracket brands.
Deformasi Slot Beberapa Produk Braket Stainless Steel Akibat Gaya Torque Kawat Beta Titanium Huda, Marisa Mifta; Siregar, Erwin; Ismah, Nada
Majalah Kedokteran Gigi Indonesia Vol 20, No 1 (2013)
Publisher : Majalah Kedokteran Gigi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (598.513 KB)

Abstract

Deformasi slot braket Stainless Steel akan mempengaruhi gaya yang diaplikasikan kepada gigi.Tujuan penelitian adalah untuk mengetahui deformasi slot braket dari lima merek braket yaitu 3M, Biom, Versadent, Ormco dan Shinye akibat gaya torque kawat Beta Titanium 0.021x0.025 inci dengan sudut puntir 45° dan besar gaya torque dengan sudut puntir 30° dan 45°. Penelitian juga bertujuan untuk membandingkan deformasi dan besar gaya torque antara kelima merek braket. Penelitian dilakukan pada 50 braket Stainless Steel Edgewise dari lima kelompok merek braket (n=10) dilem ke akrilik. Masing-masing braket dilakukan dua tahapan pengukuran yaitu pengukuran deformasi braket dengan menghitung rerata tinggi slot braket dengan mikroskop stereoskopi sebelum dan sesudah uji torque dan pengukuran besar gaya torque dengan alat uji torque. Hasil analisa statistik menunjukkan terdapat deformasi slot braket pada kelima merek braket dengan deformasi permanen secara klinis pada braket Biom (2,79 µm) dan Shinye (2,29 µm). Besar gaya torque pada kelima braket dari yang paling besar yaitu 3M, Ormco, Versadent, Shinye dan Biom. Perbandingan deformasi slot braket dan besar gaya torque antara kelima braket adalah terdapat perbedaan deformasi slot braket antara kelima merek braket kecuali antara 3M dan Ormco dan Biom dan Shinye dan terdapat perbedaan besar gaya torque antara kelima braket dengan sudut puntir 30° (kecuali 3M dan Ormco) dan 45°. Kesimpulan, Komposisi logam dan proses pembuatan braket merupakan faktor yang mempengaruhi terjadinya deformasi slot braket dan besar gaya torque. Proses pembuatan dengan metode MIM dan komposisi logam AISI 303 dan 17-4PH menurunkan risiko deformasi.ABSTRACT: Slot Deformation in Various Stainless Steel Bracket Products due to The Torqueing Force of Beta Titanium Wire. Stainless Steel bracket slot deformation affects force applied to teeth. The research aims to determine slot deformation of five different bracket brands namely, 3M, Biom, Versadent, Ormco and Shinye due to torque of Beta Titanium wire 0.021 x 0.025 inch with torsional angle of 45° and the amount of torque with torsional angle of 30° and 45°. The research also attempts to compare the deformation and amount of torque among all five bracket brands. Fifity Stainless Steel Edgewise brackets from five bracket group brands (n=10) were attached on acrylic. Bracket slot measurement was carried out in two stages: firstly, deformation measurement by calculating average bracket slot height with stereoscopy microscope before and after application of torque; and secondly, measurement of torque with a torque measurement apparatus. Statistical analysis showed that there are slot deformations on the five bracket brands with clinical permanent deformation on Biom (2,79 µm) and Shinye (2,29 µm). The amount of torque on the five bracket brands from the highest is 3M, Ormco, Versadent, Shinye and Biom. From correlation assessment between bracket slot deformation and amount of torque in the five brands, a difference is found in the deformation in five brands except 3M, Ormco, Biom and Shinye. There is a difference in the amount of torque between the five brands with torsional angle of 30° (except 3M and Ormco) and 45°. It is concluded that metal compositions and manufacturing process are the factors that influence the occurrence of deformation bracket slot and the amount of torque. Manufacturing process using MIM and metal compositions of AISI 303 and 17-4 PH reduce the risk of deformation.
PENANAMAN NILAI-NILAI KEBANGSAAN PADA SISWA SEKOLAH DASAR DI TAPANULI SELATAN SIREGAR, ERWIN
JURNAL EDUCATION AND DEVELOPMENT Vol 1 No 1 (2016): Volume 1 No.1 Mei 2016
Publisher : Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2647.448 KB)

Abstract

Nationalism is a belief held by most people in which they expressed a sense of nationhood as a feeling of belonging together within a nation. In the practice of everyday life of the students in the southern Tapanuli has not been able to demonstrate the values ​​of nationalism. Strengthening the sense of nationhood on the whole nation to be touching sense of justice in order to build a sense of togetherness that round. In realizing the actualization is that various gaps must be narrowed even abolished. For example in the areas of society the students do not understand that they all have to live in a society with people around without regard to the differences that exist in the field of state while the students should understand that they all have to abide by and adhere to the government and the state. This understanding is all they get from the material presented cottage teachers. So, in essence, needed a way to print the spirit of nationalism.
KEBIJAKAN PEMERINTAH HINDIA BELANDA TERHADAP PENDIDIKAN KAUM BANGSAWAN DI INDONESIA ( 1900-1920) Siregar, Erwin
JURNAL EDUCATION AND DEVELOPMENT Vol 3 No 1 (2016): Vol.3 No. 1 Nopember 2016
Publisher : Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (894.037 KB)

Abstract

This research aims to know state of the implementation of the Dutch East Indies government ability in the field of education for the nobility Indonesia in 1900-1920. The method is the historical research methods. The collection data technique used documentation an literation study, while the analysis of the data used is analysis of qualitative data. The results showed that the Dutch East Indies Government’s education policy is given to the Indonesian people are preferred for the nobility Bumiputera. Dutch East Indies government policy of education for the nobility in Indonesia is in the form of the estabilishment of school institution. School that established by the Ducth Government for the nobility in Indonesia, among which: ELS.
HUBUNGAN PENGENDALIAN GLUKOSA DARAH DAN MORNING BLOOD PRESSURE SURGE DENGAN KEJADIAN PENYAKIT JANTUNG KORONER PADA PASIEN DIABETES MELITUS TIPE 2 DI RUMAH SAKIT UMUM CUT MEUTIA Debbyousha, Maulina; Sawitri, Harvina; Millizia, Anna; Siregar, Erwin; Jailani, Muhammad
AVERROUS: Jurnal Kedokteran dan Kesehatan Malikussaleh Averrous, Vol. 5: No. 1 (Mei, 2019)
Publisher : Fakultas Kedokteran Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (229.489 KB) | DOI: 10.29103/averrous.v5i1.1625

Abstract

Pasien diabetes melitus (DM) cenderung menujukkan percepatan proses aterosklerotik dan akibatnya risiko penyakit kardiovaskular lebih tinggi seperti penyakit jantung koroner.DM sering dipersulit dangan komorbiditas lainnya yang berkontribusi terhadap peningkatan risiko penyakit kardiovaskular (seperti, hipertensi, penyakit ginjal kronis, dan dislipidemia).  Kontrol glikemik yang tidak adekuat atau terjadinya resistensi insulin mengaktifkan saraf simpatis, yang memicu MBPS berlebihan pada pasien DM.MBPS berlebihan terlibat dalam patogenesis kejadian kardiovaskular pada pagi hari  dengan mencetuskan stres hemodinamik. Tujuan umum dari penelitian ini adalah untuk mengetahui hubungan antara  pengendalian glukosa darah dan MBPS, serta hubungan antara MBPS dan kejadian penyakit jantung koroner pada pasien diabetes melitus di Rumah Sakit Umum Cut Meutia. Penelitian ini merupakan penelitian observasional analitik dengan rancangan potong lintang (cross sectional). Sumber data dalam penelitian ini diperoleh dari data primer berdasarkan hasil identifikasi karakteristik pasien, pengukuran morning blood pressure surge, kadar gula darah puasa dan pemeriksaan EKG. Hasil penelitian menunjukkan sebesar 75% responden pada penelitian ini (n = 32) memiliki kadar gula darah puasa yang tidak terkontrol, 53,1% responden dengan morning hypertension dan 62,5% responden mengalami Penyakit Jantung Koroner (PJK).  Pada analisis bivariat, hasil menunjukkan terdapat hubungan antara kontrol gula darah puasa dengan morning hypertension (p value = 0.024%). Secara umum terdapat hubungan timbal balik antara DM dengan hipertensi.
Renewable energy in sustainable cities: Challenges and opportunities by the case study of Nusantara Capital City (IKN) Yudiartono, Yudiartono; Santosa, Joko; Fitriana, Ira; Wijaya, Prima Trie; Rahardjo, Irawan; Abdul Wahid, La Ode Muhammad; Siregar, Erwin; Hesty, Nurry Widya; Fithri, Silvy Rahmah; Sugiyono, Agus
International Journal of Renewable Energy Development Vol 13, No 6 (2024): November 2024
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2024.60390

Abstract

This study explores strategies for optimizing energy consumption in Indonesia's New Capital City (IKN) to achieve net zero emissions by 2045, focusing on energy efficiency, sustainable mobility, and renewable energy through the Low Emissions Analysis Platform (LEAP) model. Sustainable cars, such as renewable-energy-powered electric and green hydrogen-powered vehicles, can reduce energy consumption by 43% in 2045 and 33% in 2060, respectively, compared to BAU. GHG emissions per capita will drop 70% in 2045 and 63% in 2060. In NZE scenario, IKN can reach 100% green energy by 2045 with a 4.4 GW solar power plant, a 0.92 GWh BESS, and a full load hour capability of 4 hours. By 2045, 1.1 GW of hydropower and 143 MW of wind power are expected to be utilized. In 2060, hydropower will be 2.8 GW, wind power will be 184 MW, and solar power will be 8 GW with 1.6 GWh of BESS. Lack of legislation, technical expertise, high prices, inadequate grid infrastructure, and renewables shortfalls restrict Indonesia's BESS. Solar installation criteria, subsidies, and off-grid project incentives can all help ease BESS use. Forecasts predict 0.53 GW of rooftop solar PV capacity by 2045 and 3.35 GW by 2060. Net metering and solar tariffs boost rooftop solar system profitability. One ton of green hydrogen production requires 55.7 MWh from a solar power plant. Solar power plant capacity will rise to 0.49 GW by 2045, producing 19,359 tons of green hydrogen, and almost quintuple to 89,594 tons by 2060. Hydrogen generation, storage, transit, and distribution require specific infrastructure due to high capital costs and a lack of networks, yet interest in them is growing.
MARDATU “PENGOBATAN TRADISIONAL DI ERA GLOBALISASI” Siregar, Erwin; Harahap, Mansyur Alamsyah; Pohan, Sahrudin
JURNAL EDUCATION AND DEVELOPMENT Vol 13 No 1 (2025): Vol 13 No 2 Mei 2025
Publisher : Institut Pendidikan Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37081/ed.v13i1.4910

Abstract

Remaja ketika meninggalkan rumah untuk menetap di lingkungan baru dapat berpeluang mengalami kerinduan yang mendalam terhadap rumah atau homesickness di tahun pertama perpindahan. Homesickness dapat berdampak negatif bagi seseorang sehingga dibutuhkan pemberian dukungan sosial salah satunya dari teman sebaya. Tujuan penelitian ini adalah untuk melihat bagaimana keterkaitan dukungan dari teman sebaya dengan santri yang mengalami homesickness. Penelitian ini merupakan penelitian kuantitatif menggunakan pendekatan korelasional. Penelitian ini dilakukan pada seluruh santri MTs IGBS Darul Marhamah. Hasil penelitian menunjukkan bahwa ada keterkaitan yang negatif dengan taraf sedang dan signifikan, antara dukungan sosial teman sebaya dengan homesickness pada santri di MTs IGBS Darul Marhamah khususnya di tahun pertama. Ketika dukungan dari teman sebaya diperoleh para santri yang merujuk pada kenyamanan, kepedulian serta bantuan yang tersedia, memiliki peran untuk menurunkan tingkat homesickness yang dirasakan oleh para santri berupa keadaan emosional yang negative yang dikarenakan terpisah dari rumah dan figure terdekat. Selain itu dukungan informasi menjadi dukungan yang paling banyak dirasakan keberadaannya oleh santri. Hasil penelitian ini menyarankan untuk santri dapat melakukan kegiatan atau hobi bersama dengan teman untuk menumbuhkan relasi yang positif di pesantren.
Peran Bank Syariah Pada Masa Pandemi Covid-19 Cahyono, Andi; Siregar, Erwin; Wati, Asiah
Al-Intaj : Jurnal Ekonomi dan Perbankan Syariah Vol 7, No 2 (2021)
Publisher : Faculty of Economics and Islamic Business, UIN Fatmawati Sukarno Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29300/aij.v7i2.3556

Abstract

This study aims to determine the effectiveness of social funds in Islamic banks against MSMEs due to the Covid-19 pandemic. The approach used in this research is descriptive qualitative. The techniques used are content analysis and library research. The results of this study indicate that Micro, Small, and Medium Enterprises (MSMEs) receive assistance from zakat, infaq, and sadaqah. Apart from leading business capital assistance for the business sector or Micro, Small and Medium Enterprises (MSMEs) from the government for Micro, Small and Medium Enterprises (MSMEs) that already have a business permit from the village, as well as through the qardhul hasan scheme and loans for businesses that exist in Islamic banks. . So far, the social funds in Islamic banks for Micro, Small and Medium Enterprises (MSMEs) have not been effective because people use more funds to fulfill basic needs.
Co-Authors Abdul Wahid, La Ode Muhammad Agus Sugiyono Atika Zairina, Atika Fithri, Silvy Rahmah fitriana, ira Harahap, Mansyur Alamsyah Hesty, Nurry Widya Joko Santosa, Joko Marisa Mifta Huda, Marisa Mifta Maulina Debbyousha Millizia, Anna Muhammad Jailani Nada Ismah Nia Ayu Ismaniati Nurwijayanti Pohan, Sahrudin Rahardjo, Irawan Sawitri, Harvina Wati, Asiah Wijaya, Prima Trie yudiartono, yudiartono