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All Journal Journal of Dentistry Indonesia ODONTO Dental Journal Insisiva Dental Journal : Majalah Kedokteran Gigi Insisiva Dentino: Jurnal Kedokteran Gigi Dental Journal (Majalah Kedokteran Gigi) Jurnal Kedokteran Gigi Universitas Padjadjaran Journal of Indonesian Dental Association Padjadjaran Journal of Dental Researchers and Students E-Prodenta Journal of Dentistry Jurnal Material Kedokteran Gigi Sriwijaya Journal of Dentistry Cakradonya Dental Journal Odonto dental journal

Eriwati, Yosi Kusuma

Department Of Dental Materials Science, Faculty Of Dentistry, Universitas Indonesia

Author-ID : 2879678

Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Immunology & microbiology Materials Science & Nanotechnology Medicine & Pharmacology Public Health

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Effect Of Led Exposure Time On The Temperature Rise, Depth Of Cure And Microhardness Of Nanohybrid Composite Resin Nauli Komala, Olivia; Budianto, Ednanisa; Kusuma Eriwati, Yosi; Triaminingsih, Siti
Insisiva Dental Journal Vol 1, No 1 (2012)
Publisher : Insisiva Dental Journal

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It has been reported that depth of cure of composite resin can beachieved by prolonged light curing but causing temperature rise that could harmthe pulp and resulted uncomfortable condition to patient. Objectives: To evaluatethe effect of light-emitting-diode (LED) light curing unit on the temperature rise,depth of cure and microhardness of nanohybrid composite resin. Materials andMethods: Sixty specimens of nanohybrid composite resin (Tetric N Ceram,Ivoclar-Vivadent, Lichtenstein) with diameter of 5 mm, thickness of 5 mm weredivided into 3 groups: Group I (n=20) were light-cured for 15 seconds, Group II(n=20) for 20 seconds, Group III (n=20) for 40 seconds using LED light curingunit (Hilux/Ledmax, Japan). The temperature rise was measured using digitalthermometer at initial time to the highest temperature peak. The depth of cure wasmeasured by scraping method. Microhardness was determined using VickersMicrohardness Tester at each 1 mm depth of the composite resin. Data wereanalyzed using Kruskal-Wallis and Mann-Whitney tests. Results: There weresignificant differences on temperature rise, depth of cure and hardness ofnanohybrid composite resin at each 1 mm depth after light exposure time of 15,20, and 40 seconds. The highest depth of cure was achieved after curing for 40seconds but the highest microhardness was achieved after curing for 20 seconds at1 mm from the top of specimens. Conclusion: Exposure time of 20 secondsproduced low temperature rise, depth of cure and the highest VHN than the otherexposure time.

Effect of Salivary pH on Water Absorption and Solubility of Enhanced Resin- Modified Glass Ionomer Eriwati, Yosi Kusuma; Dhiaulfikri, Muhammad; Herda, Ellyza
Journal of Dentistry Indonesia Vol. 27, No. 3
Publisher : UI Scholars Hub

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The influence of immersion period and liquid pH on water absorption capacity and solubility of the resin-modified glass ionomer cement (RMGIC) raises the question of whether the critical pH of hydroxyapatite and fluoroapatite influences the water absorption capacity and solubility of enhanced resin-modified glass ionomer (ERMGI). Objective: This study was designed to investigate the effects of immersion periods and various pH levels of artificial saliva on the water absorption and solubility of RMGIC and ERMGI. Methods: Fifty-four disc-shaped specimens (15 mm x 1 mm) of enhanced RMGI (ACTIVATM BioACTIVE-RESTORATIVE, Pulpdent, Watertown, MA, USA) and 54 disc-shaped specimens (15 mm x 1 mm) of RMGIC (Fuji II LC Capsules, GC Corp, Tokyo, Japan) were prepared. Both materials were divided into 9 groups based on artificial saliva pH (pH 7, pH 5.5, and pH 4.5) and immersion time (1, 7, and 14 days). Water absorption and solubility were measured based on ISO 4049: 2009. Data were analyzed statistically using one-way ANOVA. Results: The results showed significant differences in water absorption and solubility value between RMGIC and enhanced RMGI for all the groups. Both materials showed increased water absorption and solubility when immersed in artificial saliva that exhibited a lower pH level and under higher immersion period. Conclusion: Lower pH levels and longer immersion time influence the water absorption and solubility of enhanced RMGI and RMGIC.

PROPERTIES OF COMPOSITE RESIN ALKASIT AND ZIRCONIA-REINFORCED GLASS-IONOMER CEMENT IN DIFFERENT STORAGE Clarinda Vinindya; Cynthia Pratiwi; Yosi Kusuma Eriwati; Siti Triaminingsih; Decky J Indrani
ODONTO : Dental Journal Vol 7, No 1 (2020): July 2020
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.7.1.40-47

Background: The temperature and salivary pH in a person's mouth are highly dynamic (e.g., before, during, and after eating) and so restorations in a cavity must be resilient to these variable conditions. Temperature and immersion conditions affect the mechanical properties of a restoration. This study aimed to determine the effect of environmental conditions on diametral tensile strength (DTS) and surface microhardness of a resin composite with alkaline fillers or zirconia–reinforced glass ionomer cement (Zr-reinforced GIC). Method: Thirty specimens of a resin composite with alkaline fillers (Cention-N, Ivoclar-Vivadent, Lichtenstein) and 30 specimens with zirconia-reinforced GIC (Zirconomer, Shofu, Japan) were stored at different conditions (23°C and 37°C; with and without immersion in water) for 24 hours. DTS was tested with a Universal Testing Machine (AGS-X series, Shimadzu, Japan) and surface microhardness was tested with a Vickers Microhardness tester (HMV-G Series Micro Vickers Microhardness Tester, Shimadzu, Japan). Data were analyzed statistically using a one-way ANOVA test (and Shapiro-Wilk test. Result: The values of microhardness and DTS increased significantly both for the composite resin alkasite and zirconia-reinforced GIC with increasing temperature in the groups without immersion. However, there was a significant decrease in microhardness and DTS after immersion in distilled water at 37°C for both the composite resin alkasite and zirconia-reinforced GIC. Conclusion: It can be concluded that storage conditions affect the microhardness and DTS of resin composite Alkasite and Zirconia-reinforced GIC

FABRICATION OF POROUS CARBONATE APATITE BASED ON THE DISSOLUTION-PRECIPITATION OF CALCIUM SULFATE HEMIHYDRATE Dede Arsista; Yosi Kusuma Eriwati; Siti Triaminingsih; Sunarso Sunarso
Dentino : Jurnal Kedokteran Gigi Vol 4, No 2 (2019)
Publisher : FKG Unlam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/dentino.v4i2.7055

Background: Carbonate apatite (C-Ap) has been used as a bone replacement material because it has osteoconductive properties. The pores contained in C-Ap are useful so that cells can diffuse during new bone formation. Calcium sulfate hemihydrate (CaSO4.1/2H2O) precursor has been used as it possesses Ca2+ ions, while polymethylmetacrylate (PMMA) is chosen because it is easily burned out at low temperatures. Objectives: To fabricate porous carbonate apatite based on a calcium sulfate hemihydrate precursor using the dissolution-precipitation method and identify its phases by X-ray diffraction. Methods: The pores were made by crushing polymethyl methacrylate (PMMA) granules and sieving them to sizes of 300–500 µm. Specimens of porous carbonate apatite were prepared from a mixed calcium sulfate hemihydrate precursor with different quantities of porogen: 0 wt% PMMA (n = 60 ), 25 wt% PMMA ( n = 60 ), and 50 wt% PMMA ( n = 60 ). Calcium sulfate hemihydrate containing PMMA was mixed with distilled water at a water: powder ratio of 0.5 ml: 1g. Calcium sulfate dihydrate specimens were placed in an oven at 700˚C for 4 h to burn out the PMMA, resulting in porous calcium sulfate anhydrate. This was then immersed in phosphate mixed solution (Na3PO4) and carbonate solution (Na2CO3) for 1, 3, and 5 days to obtain carbonate apatite through a precipitation-dissolution process. An X-ray diffraction technique (X-Ray Diffractometer, PANalytical XPert PRO) was used to analyze each group of specimens to identify the phase formation of porous carbonate apatite. Results: The X-ray diffraction pattern showed peaks of carbonate apatite in all specimens with 0, 25, and 50 wt% PMMA in 1, 3, and 5 days of immersion, except in the 0 wt% specimens at 1 day. The carbonate apatite diffraction peaks were at 2q = 25.9°, 29.2°, 32°, and 34°. The earliest complete formation of the carbonate apatite phase was identified from the preparation of porous anhydrous CaSO4 with porogen of 50 wt% PMMA immersed for 1 day. Conclusion: Porous carbonate apatite can be produced from precursors of calcium sulfate hemihydrate and porogen of PMMA via a precipitation-dissolution method.

Shear bond strength of self-adhering flowable composite on dentin surface as a result of scrubbing pressure and duration Ferry Jaya; Siti Triaminingsih; Andi Soufyan S; Yosi Kusuma Eriwati
Dental Journal (Majalah Kedokteran Gigi) Vol. 45 No. 3 (2012): September 2012
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Self-adhering flowable composite is a combination of composite resin and adhesive material. Its application needs scrubbing process on the dentin surface, but sometimes it is difficult to determine the pressure and duration of scrubbing. Purpose: This study was aimed to analyze the effect of scrubbing pressure and duration on shear bond strength of self-adhering flowable composite to dentin surface Methods: Fifty four mandibulary third molar were cut to get the dentin surface and divided into nine groups (n = 6). Dentin surface was scrubbed with 1, 2, and 3 grams of scrubbing pressure, each for 15, 20, and 25 seconds respectively. surface was scrubbed with 1, 2, and 3 grams of scrubbing pressure, each for 15, 20, and 25 seconds respectively. Composite resin was applied incrementally and polymerized for 20 seconds. All specimens were immersed in saline solution at 37º C for 24 hours. Shear bond strength was tested for all specimens by using Universal Testing Machine (Shimadzu AG-5000E, Japan) at a crosshead speed of 1 mm/minute and analyzed by ANOVA and Post Hoc Test Bonferonni. The interface between self-adhering flowable interface between self-adhering flowable composite and dentin was observed with a Scanning Electron Microscope (JEOL JSM 6510LA). Results: The highest shear bond strength was obtained by 3 grams scrubbing pressure for 25 seconds or equal to applying the brush applicator in 0º relative to dentin surface. Conclusion: Increasing the scrubbing pressure and duration will increase the shear bond strength of self adhering flowable composite resin to dentinal surface. The highest shear bond strength was obtained when the applicator in 0º relative to dentin surface. Latar belakang: Self-adhering flowable composite merupakan gabungan resin komposit dengan material adhesif yang dalam penggunaannya memerlukan teknik scrubbing pada permukaan dentin, namun sulit untuk menentukan besar tekanan yang tepat saat scrubbing. Tujuan: Tujuan dari penelitian ini adalah untuk menganalisa pengaruh tekanan dan lama scrubbing saat aplikasi selfadhering flowable composite terhadap shear bond strength pada permukaan dentin. Metode: 54 gigi molar-3 rahang bawah dipotong sampai permukaan dentin dan dibagi atas 9 kelompok (n = 6). Scrubbing pada permukaan dentin dilakukan dengan besar tekanan 1, 2, dan Scrubbing pada permukaan dentin dilakukan dengan besar tekanan 1, 2, dan 3 gram, masing-masing selama 15, 20, dan 25 detik. Resin komposit diaplikasikan secara inkremental dan dipolimerisasi dengan sinar selama 20 detik. Spesimen direndam dalam larutan salin dan disimpan dalam inkubator pada suhu 37º C selama 24 jam. Shear bond strength diuji menggunakan Universal Testing Machine. Analisa data melalui uji ANOVA diikuti Post Hoc Test Bonferonni. Antarmuka self-adhering flowable composite resin dan dentin diamati melalui Scanning Electron Microscope (SEM). Hasil: Shear bond strength tertinggi antara self-adhering flowable composite resin dan dentin diperoleh pada tekanan scrubbing 3 gram selama 25 detik atau kuas membentuk sudut 0º dengan permukaan dentin. Kesimpulan: Semakin besar tekanan dan lama waktu scrubbing akan meningkatkan shear bond strength material self-adhering flowable composite resin terhadap permukaan dentin. Kekuatan paling tinggi diperoleh bila kuas aplikator membentuk sudut 0º dengan permukaan dentin selama proses scrubbing.

Peran metode modifikasi permukaan implan terhadap keberhasilan osseointegrasiThe role of implant surface modification method on the success of osseointegration Difa Putri Utami; Decky Joesiana Indrani; Yosi Kusuma Eriwati
Jurnal Kedokteran Gigi Universitas Padjadjaran Vol 31, No 2 (2019): Agustus 2019
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Pendahuluan: Dental implan saat ini sudah menjadi pilihan perawatan untuk menggantikan gigi yang hilang. Keberhasilan dari perawatan implan bergantung pada kemampuan materialnya untuk berintegrasi dengan lingkungan sekitarnya. Makalah ini bertujuan untuk membahas modifikasi permukaan implan dengan pengaplikasian HA menggunakan teknik plasma spray dan sol-gel dip serta bagaimana respons logam implan dan tulang dengan adanya aplikasi HA. Metode: Penelitian ini menggunakan pencarian pada database di jurnal pada Sciencedirect, Pubmed tentang material kedokteran gigi dan sains yang bereputasi internasional dengan menggunakan kata kunci titanium implant, surface modification, plasma spray method, sol-gel dip method, hydroxyapatite, coating dan osseointegrasi. Hasil: Osseointegrasi dapat dipengaruhi oleh material implan yang digunakan. Material implan umumnya dibuat dengan titanium alloy yang dilapisi hidroksiapatit. Lapisan hidroksiapatit yang menempel pada permukaan implan merupakan hasil modifikasi dengan teknik plasma spray dan sol-gel dip. Simpulan: Teknik modifikasi permukaan implan plasma spray lebih baik dibandingkan permukaan implan sol-gel dip. Hal ini karena parameter pelapisan HA pada permukaan implan dengan metode plasma spray memenuhi nilai standar kristalinitas HA, kemurnian HA, dan kekasaran permukaan yang baik. Dengan memodifikasi permukaan logam dengan HA maka akan terjadi proses adhesi HA dengan implan, yang merupakan salah satu faktor pendukung terbentuknya osseointegrasi. Kata kunci : Implan, osseointegrasi, modifikasi permukaan, plasma spray, sol-gel dip. ABSTRACTIntroduction: Dental implants are now the treatment of choice for replacing lost teeth. The success of implant treatment depends on the ability of the material to integrate with the surrounding environment. This paper aims to discuss the surface modification of the implant by the application of HA using the Plasma Spray and Sol-Gel Dip technique and how the implant and bone metal respond to the application of HA. Methods: This study used a database search in the journal ScienceDirect, Pubmed on dentistry and science materials with international reputation using the keywords titanium implant, surface modification, plasma spray method, sol-gel dip method, hydroxyapatite, coating and osseointegration. Results: Osseointegration can be affected by the implant material used. The implant material was generally made with titanium alloy coated with hydroxyapatite. Hydroxyapatite coating attached to the surface of the implant is the result of modification with the Plasma Spray and Sol-Gel dip technique. Conclusion: The surface modification technique for Plasma Spray implants is better than the Sol-Gel Dip implant surface. This is because the HA coating parameters on the surface of the implant using the Plasma Spray method meet the standard values of HA crystallinity, HA purity, and good surface roughness. By modifying the surface of the metal with HA the HA adhesion process with implants will occur, which is one of the supporting factors for the formation of osseointegration.Keywords: Implants, osseointegration, surface modification, plasma spray, sol-gel dip.

Desain dan fungsi implan kedokteran gigi yang beredar di pasaranDesign and function of dental implants widely circulated on the market Dede Arsista; Yosi Kusuma Eriwati
Jurnal Kedokteran Gigi Universitas Padjadjaran Vol 30, No 3 (2018): Desember
Publisher : Fakultas Kedokteran Gigi Universitas Padjadjaran

Pendahuluan: Perkembangan material dan sistem implan di kedokteran gigi mengalami perkembangan dan evolusi yang sangat cepat. Topografi permukaan implan, desain implan dan jenis koneksi implan-abutment masih terus dikembangkan karena memiliki relevansi utama untuk mendapatkan interaksi optimal antara jaringan tubuh dan material implan. Tujuan penulisan ini adalah untuk membahas desain dan fungsi implan kedokteran gigi yang beredar di pasaran. Ulasan sistematik: Berbagai sistem implan banyak diciptakan oleh produsen dan setiap produsen memiliki sistem implan tersendiri yang memungkinkan praktisi untuk memilih sesuai kebutuhan dan penggunaannya. Tiga faktor utama untuk keberhasilan material implan yang dapat diterima oleh jaringan tubuh adalah (1) Sifat biologis material implan. Sifat biologis implan sangat berpengaruh pada waktu proses penyembuhan. Interaksi tulang dan permukaan material implan berperan juga pada proses osseointegrasi yang harus didukung oleh fitur desain implan agar stabil dan tahan terhadap gaya-gaya di dalam rongga mulut. (2) Desain implan Desain implan dengan penambahan diameter sebesar 3,3 mm (30%) akan mengurangi nilai beban terhadap gaya kunyah sebanyak 31%. (3) Biokompatibilitas material implan. Biokompatibilitas material implan harus memberikan keseimbangan dan keharmonisan interaksi dari ketiga faktor yaitu material yang digunakan, pasien (host), dan kondisi lokasi implan tersebut ditempatkan. Simpulan: Desain dan fungsi implan kedokteran gigi yang beredar di pasaran saat ini sesuai dengan ukuran rata-rata panjang dan lebar akar gigi. Geometri thread yang beredar untuk gigi anterior adalah V thread atau reverse buttress, sedangkan untuk gigi posterior square thread dan struktur makro dan mikro permukaan SLA (Sandblasted Large Grit Acid Etching).Kata kunci: Material implan, desain implan, biokompatibilitas, karakteristik mikro, karakteristik makro. ABSTRACT Introduction: Development of material and implant systems in dentistry has experienced rapid development and evolution. The implant surface topography, design, and type of implant-abutment connection are still being developed due to the primary relevance in obtaining the optimal interactions between body tissue and implant material. The purpose of this systematic review was to discuss the design and function of dental implants widely circulated on the market. Systematic review: Many implant systems are created by manufacturers and each manufacturer has its implant system allows practitioners to choose according to their needs and use. The three main factors for the success of the osseointegration of implant materials were: (1) The biological properties of implant material. The implant biological properties were very influential during the healing process. Bone interaction and the implant material also play a role in the osseointegration process which must be supported by the stability and resistance of the implant design features towards the forces in the oral cavity; (2) Implant design. Implant design with an additional diameter of 3.3 mm (30%) would be able to reduce the load value of mastication force by 31%; (3) Biocompatibility of implant material. Biocompatibility of implant material must provided the balance and harmony of interactions of the three factors, namely, the material being used, the patient (host), and the condition of the location of the implant placed in the oral cavity. Conclusion: Design and function of dental implants widely circulated on the market nowadays were by the average size of the length and width of the radicular. The most founded geometry of the thread for the anterior teeth in the market was the V thread or reverse buttress, while for the posterior teeth was the square thread, and the most founded macrostructure and microstructure surface was the SLA (Sandblasted Large Grit Acid Etching).Keywords: Dental implant material, dental implant design, biocompatibility, micro characteristics, macro characteristics.

Analisis patahan veneer indirek resin komposit yang direkatkan pada email menggunakan dua resin semen berbeda Octarina Octarina; Yosi Kusuma Eriwati; Andi Soufyan
Jurnal Material Kedokteran Gigi Vol 1 No 1 (2012): JMKG Vol 1 No 1 Maret 2012
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (587.397 KB)

Indirect resin composite veneer restoration (VIRK) is used as esthetic restoration for anterior teeth. Attachment between restoration and enamel surface was obtained using multi-step (MS) resin cement. Recently, a one step self-adhesive dual-cured resin cement (SADRC) was introduced. Determine failure analysis of VIRK bonded to enamel using MS resin cement and SADRC. Twenty specimens of buccal surface of enamel premolar were used. The specimens were flattened using silicon carbide no.2000. VIRK cylindrical specimens (diameter 3mm, thickness 3mm), were light-cured in Solidilite chamber (Shofu, Japan) for 3 minutes. VIRK specimens were then divided into: Group I with Multi-step resin cement (n=10) and Group II with SADRC (n=10). After 24h in incubator (37oC), Shear Bond Strength (SBS) were tested using Universal Testing Machine(Shimadzu AG5000). Failure analysis was determine using Stereomicroscope (Nikon, Japan) and Scanning Electron Microscope ( JEOL JSM 6510LA, Japan). Data were analyzed using Independent Sample T-Test (p<0.05). The average SBS value of group VIRK+MS was (16.97 + 7.67 MPa) higher than VIRK+SADRC (7.17 + 3.67 MPa). VIRK+Multi-step group has mixed failure, while VIRK+SADRC group has adhesive failure. Mixed failure shows strong bond between VIRK and enamel using Multi-step resin cement.

Role of Composition to Degree of Conversion of Bulk Fill Composite Resins Sefty Aryani Harahap; Yosi Kusuma Eriwati
Jurnal Material Kedokteran Gigi Vol 6 No 1 (2017): JMKG Vol 6 No 1 Maret 2017
Publisher : Ikatan Peminat Ilmu Material dan Alat Kedokteran Gigi (IPAMAGI)

A recent technology of Bulk fill composite resin has been developed to save manipulation time. Bulk fill composite resinhas been claimed to have depth of cure up to 4 mm with a high degree of conversion. This paper will evaluate the role of bulk fill composite resin’s composition in increasingits degree of conversion. The degree of conversion is the percentage of carbon double bonds that were converted into single bonds as a result of polymerization. It is determined by its composition that contained filler, resin matrix and the photoinitiator. With the development and modifications of the composition, the bulk fill compositeresin can be obtained a high degree of conversion so that the expected properties can be achieved.

Effect of Antiseptic Mouthwash as Water Substitute on Setting Time and Detail Reproduction of Alginate Impression Material Putu Natasha Diska Agusjaya; Yosi Kusuma Eriwati; Sunarso
Sriwijaya Journal of Dentistry Vol. 2 No. 2 (2021): Sriwijaya Journal of Dentistry
Publisher : Dentistry Study Program, Faculty of Medicine Universitas Sriwijaya

Introduction: Heating composite resins can reduce viscosity properties, increase adaptation to cavity walls, and facilitate application. There is still a lot of debate about the degree of microleakage and bond strength in preheated composites to determine how strong these composites are as cementation materials. Purpose: To analyze the strength level of preheated composite as cementation material in indirect adhesive restoration in terms of microleakage rate and bond strength. Methods: Preheating composite can reduce the viscosity of the composite to facilitate the placement of the composite and obtain better adaptation to the cavity wall. By analyzing the relevant references, the strength of the preheated composite material will be investigated by looking at the level of microleakage and the level of bonding between surfaces. Conclusion: Heating the composite to an appropriate temperature (50°C) can reduce microleakage and increase the micro-shear bond strength in the exposed dentin.

Co-Authors Amy Nindia Carabelly Andi Soufyan Andi Soufyan S Anggasaputra, Claudia Cendikiawan, Reagan Clarinda Vinindya Claudia Anggasaputra Cynthia Pratiwi Decky J Indrani Decky Joesiana Indrani Decky Joesiana Indrani Dede Arsista Dede Arsista Dede Arsista Dewi Puspitasari Dhiaulfikri, Muhammad Difa Putri Utami Ednanisa Budianto, Ednanisa Ellyza Herda Erni Marlina Ferry Jaya Ichrom Nahzi, Muhammad Yanuar Indrani, Decky Joesiana Maharani Laillyza Apriasari Maria Tanumihardja, Maria Octarina Olivia Nauli Komala, Olivia Putri, Shahnaz Putu Natasha Diska Agusjaya Savira, Nabila Sarah Sefty Aryani Harahap Siti Triaminingsih Sunarso Sunarso Sunarso Syahriani, Alyana Utami, Juliyatin Putri

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