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All Journal VALENSI Medali Jurnal : Media Dental Intelektual Dentika Dental Journal Jurnal Teknosains The Indonesian Journal of Dental Research Majalah Kedokteran Gigi Indonesia ODONTO Dental Journal Dental Journal (Majalah Kedokteran Gigi) B-Dent, Jurnal Kedokteran Gigi Universitas Baiturrahmah Jurnal Material Kedokteran Gigi Jurnal Abdi Masyarakat Indonesia JURNAL PENGABDIAN PENDIDIKAN MASYARAKAT (JPPM) Odonto dental journal Journal Center of Excellent : Health Assistive Technology (CoE)

Siti Sunarintyas

Universitas Gadjah Mada, Daerah Istimewa Yogyakarta, Indonesia

Author-ID : 392662

Religion Humanities Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Other

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EFFECT OF NON DENTAL GLASS FIBER ORIENTATION ON TRANSVERSE STRENGTH OF DENTAL FIBER REINFORCED COMPOSITE Abdulghani Ali Khalil; Widowati Siswomiharjo; Siti Sunarintyas
Jurnal Teknosains Vol 5, No 2 (2016): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.9131

FRC is widely used in dentistry especially for dental bridges construction. E glass fiber is commonly used because it has good properties and good bonding with polymers. Its availability is limited and its price quite expensive in Indonesia. Non dental glass fiber is available in Indonesia with lower price. The aim of this research was to evaluate the effect of non dental glass fiber orientation on transverse strength of dental FRC. Non dental glass fiber (HJ, China) with two orientations (Roving and Woven roving), Flowable composite (CharmFil Flow, DenKist, Korea) , Silane coupling agent (Monobond S, Ivoclar Vivadent, Liechtenstein) and distilled water. 24 specimens of non dental glass FRC, divided into 2 groups. The specimens was immersed in water for 24 hours and 7 days. The data were analyzed by Independent sample T-test. T-test analysis showed that for transverse strength with 24 hours water immersion there was a significant difference between the two orientation groups (p< 0.05). The data of 7 days immersion there was no statistical difference between the groups (p> 0.05). In conclusion: there was different transverse strength between roving and woven roving orientation in dental FRC.

Strut Linker Geometry Improving Mechanical Behaviorof Coronary Stent Rachmat Sriwijaya; Dita Ayu Mayasari; Siti Sunarintyas
Jurnal Teknosains Vol 9, No 2 (2020): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.54519

Stent is one of the common solution that is offered to the patient with atherosclerosis. An ideal stent should have good mechanical and biological properties. This research aims to analyze how importance strut linker geometry affect mechanical behavior of stent especially on recoil percentage, foreshortening percentage and fatigue safety factor prediction using finite element analysis. The result showed that strut linker geometry would specify the mechanical behavior

The effect of silanated and impregnated fiber on the tensile strength of E-glass fiber reinforced composite retainer Niswati Fathmah Rosyida; Siti Sunarintyas; Pinandi Sri Pudyani
Dental Journal (Majalah Kedokteran Gigi) Vol. 48 No. 1 (2015): March 2015
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Fiber reinforced composite (FRC) is can be used in dentistry as an orthodontic retainer. FRC still has a limitations because of to a weak bonding between fibers and matrix. Purpose: This research was aimed to evaluate the effect of silane as coupling agent and fiber impregnation on the tensile strength of E-glass FRC. Methods: The samples of this research were classified into two groups each of which consisted of three subgroups, namely the impregnated fiber group (original, 1x addition of silane, 2x addition of silane) and the non-impregnated fiber group (original, 1x addition of silane, 2x addition of silane). The tensile strength was measured by a universal testing machine. The averages of the tensile strength in all groups then were compared by using Kruskal Wallis and Mann Whitney post hoc tests. Results: The averages of the tensile strength (MPa) in the impregnated fiber group can be known as follow; original impregnated fiber (26.60±0.51), 1x addition of silane (43.38±4.42), and 2x addition of silane (36.22±7.23). The averages of tensile strength (MPa) in the non-impregnated fiber group can also be known as follow; original non-impregnated fiber (29.38±1.08), 1x addition of silane (29.38±1.08), 2x addition of silane (12.48±2.37). Kruskal Wallis test showed that there was a significant difference between the impregnated fiber group and the non-impregnated fiber group (p<0.05). Based on the results of post hoc test, it is also known that the addition of silane in the impregnated fiber group had a significant effect on the increasing of the tensile strength of E-glass FRC (p<0.05), while the addition of silane in the non-impregnated fiber group had a significant effect on the decreasing of the tensile strength of E-glass FRC. Conclusion: It can be concluded that the addition of silane in the non-silanated fiber group can increase the tensile strength of E-glass FRC, but the addition of silane in the silanated fiber group can decrease the tensile strength of E-glass FRC. It is also known that the impregnation of fiber can increase the tensile strength of E-glass FRC.

The effects of ultrasonic scaling duration and replication on caspase-3 expression of Sprague Dawley rat's pulp cells Archadian Nuryanti; Marsetyawan HNE Soesatyo; Dewi Agustina; Siti Sunarintyas
Dental Journal (Majalah Kedokteran Gigi) Vol. 48 No. 1 (2015): March 2015
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Ultrasonic scaling has been used commonly for stain and calculus removal in dental clinic for over 60years. Previous researches even had proved that ultrasonic scaling may give effects on the surface of tooth root. Ultrasonic wave exposure for 20 seconds or more can increase caspase-3 activity as an indicator of increased apoptotic cells associated with tissue damage. Purpose: This research was aimed to investigate the effects of ultrasonic scaling duration and replication on caspace-3 expression in dental pulp cells. Methods: The samples of this research were 54 male Sprague Dawley rats aged 2 months old divided into 2 groups, each of which consisted of 27 mice. The first group was induced with stain, while the second group was not. Each group was divided into 3 subgroups for ultrasonic scaling 1, 3, and 5 times. Each subgroup was divided into 3 sub-subgroups for duration procedure of 15, 30 and 60 seconds respectively. During scaling process, those rats were anesthetized using 0.1 ml of ketamine and 0.1 ml of xylol added to 2 ml of distilled water injected intramuscularly into their right thigh as much as 0.4 ml. Scaling was done on buccal surface of right first maxillary molar from cervical to occlusal. The teeth were decalcified and embedded in paraffin, then their sagittal plane was cut for thickness of 3µm and painted with immunohystochemistry for detecting caspace-3 expression of cell within dental pulp. Results: The results showed that the duration and replication of ultrasonic scaling procedures affected on the expression of caspace-3 cells as analyzed with Univariate Analisis of Variance test (p<0.05). Conclusion: It can be concluded that duration and replication of ultrasonic scaling procedure on teeth with and without stain enhauced the expression of caspace-3 in dental pulp cells.

The effect of CPP-ACP containing fluoride on Streptococcus mutans adhesion and enamel roughness Yulita Kristanti; Widya Asmara; Siti Sunarintyas; Juni Handajani
Dental Journal (Majalah Kedokteran Gigi) Vol. 46 No. 4 (2013): December 2013
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Direct contact between the bleaching agent and the enamel surface results in demineralization, alteration in surface roughness and bacterial adhesion. Many studies try to minimize this side effect through different way. Purpose: The aim of this study was to determined the effect of Calcium Phospho Peptide-Amorphous Calcium Phosphate (CPP-ACP) containing fluoride application before and after bleaching procedure on the adhesion of S. Mutans and enamel roughness. Methods: The samples were 6 teeth which were divided into 4 groups, and each tooth was cut into four pieces. Group A and C were treated with CPP-ACP after bleaching, while group B and D were treated with CPP-ACP before and after bleaching. CPP-ACP used in group C and D was the one that contain fluoride. After treatment, all samples were sterilized, immersed in steril human saliva for one hour, then immersed into S. mutans suspension of 108 CFU. Samples were incubated overnight. On the next day the samples were put into steril BHI and vortexed for one minute to detach the bacteria. Fifteen ml BHI containing bacteria was poured into TYS agar then incubated 37°Cfor 48 hours. Bacterial colony was counted with colony counter. The SEM examination was done on all samples. Results: Application of desensitizing agent reduced the S.mutans adhesion significantly among groups (p<0.05) except between group A and C. SEM evaluation revealed significant differences among groups. Conclusion: The application of CPP-ACP containing fluoride before and after bleaching was effective to reduce the accumulation of S.mutans colony and enamel roughness.Latar belakang: Kontak langsung antara bahan bleaching dan permukaan enamel menyebabkan demineralisasi, perubahan kekasaran permukaan dan berpengaruh terhadap banyaknya bakteri Streptococcus mutans (S. mutans) yang melekat. Banyak peneliti mencoba meminimalkan efek samping ini dengan cara yang beragam. Tujuan: Penelitian ini bertujuan untuk meneliti efek aplikasi CPP-ACP mengandung fluor sebelum dan setelah bleaching terhadap adhesi S.mutans dan kekasaran enamel. Metode: Sampel penelitian adalah 6 buah gigi yang dibagi dalam 4 kelompok, kemudian masing-masing gigi dibelah menjadi 4 bagian. Kelompok A dan C diaplikasi dengan CPP-ACP setelah bleaching, sedang Kelompok B dan D diaplikasi CPP-ACP sebelum dan setelah bleaching. CPP-ACP yang digunakan pada kelompok C dan D adalah yang mengandung fluor. Setelah perlakuan, semua sampel disterilkan dan direndam dalam saliva steril, lalu direndam dalam suspensi S. mutans 108 CFU dan diinkubasi 24 jam. Hari berikutnya sampel dimasukkan dalam BHI steril, divortex 1 menit untuk melepaskan bakteri. Lima belas ml BHI yang berisi S. mutans tersebut diambil untuk dikultur dalam agar TYS dan diinkubasi 37°C selama 48 jam. Bakteri yang tumbuh dihitung dengan colony counter. Pemeriksaan SEM dilakukan untuk meneliti permukaan enamel. Hasil: Aplikasi CPP-ACP(F) menurunkan jumlah bakteri yang melekat pada enamel secara signifikan (p<0,05) pada semua kelompok, kecuali antara kelompok A dan C. Simpulan: Aplikasi CPP-ACP mengandung fluor sebelum dan sesudah bleaching efektif mengurangi akumulasi S. mutans dan kekasaran pada permukaan enamel.

Sifat fisik hidroksiapatit sintesis kalsit sebagai bahan pengisi pada sealer saluran akar resin epoxy (Physical properties of calcite synthesized hydroxyapatite as the filler of epoxy-resin-based root canal sealer) Ema Mulyawati; Marsetyawan HNES; Siti Sunarintyas; Juni Handajani
Dental Journal (Majalah Kedokteran Gigi) Vol. 46 No. 4 (2013): December 2013
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: The filler addition to resin based sealers will enhance the physical properties of the polymer. Because of its biological properties, the synthetic hydroxyapatite (HA) has been proposed as filler for dental material such as composite resin. The calcite synthesized HA is the HA produced of calcite minerals that came from many Indonesian mining. Purpose: The aim of study was to determine the effect of different concentration of calcite synthesized HA as the filler of the epoxy-resin-based root canal sealer on the physical properties such as its contact angle, the film thickness and the microhardness. Methods: The crystal of the calcite synthesized hydroxyapatite with the size between 77.721-88.710 nm and the ratio of Ca/P 1.6886 were synthesized at Ceramic Laboratory, Mechanical Engineering, using wet method of hydrothermal microwave. The powders of the epoxy- resin were prepared by added the synthesized hydroxyapatite crystal in 5 different weight ratios (e.g.: HA-10%, HA-20%, HA-30%, HA-40% and HA-50%). Each of these was mixed with the paste of 3:1 ratio using spatula on a glass plate until homogen and then measuring the contact angle and the film thickness. Microhardness test was conducted after the mixture of experimental sealer was stored for 24 hrs at 37 oC to reach perfect polymerization. Results: All of contact angles were <90o and were not significantly different to each other (p= 0.510). All groups had a film thickness in accordance with ISO 6876 (<50 um) and with no statistical difference (p= 0.858). In the HA of 10%, 20%, 30% seen that the microhardness were increased, while in the HA-50% was decreased and in the HA-40% has the same microhardness to the control groups (HA-0%). Conclusion: Calcite synthesized HA as the filler did not affect contact angle and film thickness of the sealer. Microhardness of the epoxy-resin based sealer could be increased using maximum 30% of the calcite synthesized HA as the filler.Latar belakang: Penambahan bahan pengisi pada sealer berbahan dasar resin akan meningkatkan sifat fisik polimer. Karena sifat biologis bagus, hidroksiapatit (HA) sintetis digunakan sebagai bahan pengisi material kedokteran gigi seperti resin komposit. Hidroksiapatit sintesis kalsit merupakan HA yang hasilkan dari mineral kalsit berasal dari berbagai daerah pertambangan di Indonesia. Tujuan: Penelitian ini bertujuan untuk meneliti pengaruh berbagai konsentrasi HA sintesis kalsit sebagai bahan pengisi sealer berbahan dasar resin epoksi terhadap sifat fisiknya yaitu sudut kontak, ketebalan film dan kekerasan mikronya. Metode: Kristal HA sintesis kalsit yang berukuran 7,721-88,710 nm dengan rasio Ca/P 1,6886 diperoleh dari sintesis di Laboratorium Keramik, Teknik Mesin, Universitas Gadjah Mada menggunakan wet method dengan microwave hidrotermal. Serbuk resin epoksi dipersiapkan dengan menambahkan kristal HA sintesis kalsit dalam lima konsentrasi yang berbeda yaitu HA-10%, HA-20%, HA-30%, HA-40% dan HA-50% (dalam berat). Masing-masing serbuk diaduk dengan pasta resin epoksi dengan perbandingan 3:1 menggunakan spatula di atas glassplate hingga homogen, selanjutnya dilakukan pengukuran sudut kontak dan ketebalan film. Pengukuran kekerasan mikro dilakukan setelah sealer disimpan dalam inkubator 37 oC selama 24 jam sehingga mencapai polimerisasi sempurna. Hasil: Semua kelompok menunjukkan bahwa sudut kontak <90o dan menunjukkan tidak ada perbedaan yang signifikan (p=0,510). Semua kelompok menunjukkan bahwa ketebalan filmnya sesuai dengan ISO 6876 (<50 um) dan menunjukkan tidak ada perbedaan yang signifikan (p=0,858). Pada kelompok HA-10%, 20% dan 30% kekerasan mikronya meningkat, sedangkan pada HA-50% menurun dan HA-40% kekerasannya sama dengan kelompok kontrol (HA-0%). Simpulan: Penambahan hingga 50% HA sintesis kalsit sebagai bahan pengisi sealer resin epoksi tidak mempengaruhi sudut kontak dan ketebalan film. Kekerasan sealer dapat ditingkatkan dengan menambahkan HA sintesis kalsit maksimum hingga 30%.

Color stability of visible light cured composite resin after soft drink immersion Alizatul Khairani Hasan; Siti Sunarintyas; Dyah Irnawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 3 (2009): September 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Composite resin is a tooth-colored filling material containing Bis-GMA which exhibits water sorption properties. People tend to consume soft drink with various colors. Water sorption properties can alter the color stability of composite resin purpose. Purpose: This study was to determine the influence of immersion durations of composite resin in soft drink on color stability. Methods: The visible-light cured hybrid composite resin and soft drink were used. Ten disk specimens (2.5 mm thickness and 15 mm diameter) of composite resin were prepared and light cured for 20 seconds, then stored in distilled water for 24 hours at 37° C. The initial color of specimens were measured by Chromameter. After that, each specimen was immersed in 30 ml of soft drink up to 48, 72, and 96 hours at 37° C. The specimens’ color were measured again after each immersion. The color changes were calculated by CIE L*a*b* system formula. The data was analyzed by One-Way ANOVA and LSD (α = 0.05). Result: The ANOVA showed that the immersion durations of composite resin in soft drinks had significant influence on the color stability (p < 0.05). The LSD0.05 tests showed significant differences among all groups. The least color change was detected from the group of 48 hours immersion, while the greatest color change was from the group of 96 hours immersion. Conclusions: The immersion of composite resin in soft drinks influenced the color stability (began after 48 hours immersion).

Storage duration effect on deformation recovery of repacked alginates Siti Sunarintyas; Dyah Irnawati
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 3 (2009): September 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Manufacturers supply alginate impression materials as a powder that is packaged in bulk and in individual container. Some Indonesian dental suppliers often repackage the bulk alginate into individual plastic packages which are not tied tightly and stored in the display room without air conditioner. It is known that critical factors to the shelf life of alginate includer avoidance of moisture contamination which may lead to premature setting of the alginate and avoidance of high temperature which may cause depolymerization of the alginate. Purpose: The aim of this study was to determine storage duration effect of repacked alginates on deformation recovery. Methods: Two brands of alginates (Tulip®TU, and Aroma Fine DF III®AF) were repacked into 120 plastic containers. The samples were stored in room condition (temperature 29° C ± 1° C, relative humidity 60% ± 10%) for 1, 2, 3, 4 and 5 weeks. The alginates setting time and recovery from deformation were measured according to the ANSI/ADA specification number 18 (ISO 1563). result: The results revealed that there was decreased setting time during 5 weeks but there was slight decreased in deformation recovery after 3 weeks storage. The ANOVA showed there was no significant difference of alginates deformation recovery among the storage times (p > 0.05). Conclusion: Storage duration of repacked alginates in plastic containers during 5 weeks in room condition do not influence the alginate deformation recovery.

Functional relationship of room temperature and setting time of alginate impression material Dyah Irnawati; Siti Sunarintyas
Dental Journal (Majalah Kedokteran Gigi) Vol. 42 No. 3 (2009): September 2009
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Background: Indonesia is a tropical country with temperature variation. A lot of dental clinics do not use air conditioner. The room temperature influences water temperature for mixing alginate impression materials. Purpose: The aim of this study was to investigate the functional relationship of room temperature and initial setting time of alginate impression materials. Methods: The New Kromopan® alginate (normal and fast sets) were used. The initial setting time were tested at 23 (control), 24, 25, 26, 27, 28, 29, 30 and 31 degrees Celcius room temperatures (n = 5). The initial setting time was tested based on ANSI/ADA Specification no. 18 (ISO 1563). The alginate powder was mixed with distilled water (23/50 ratio), put in the metal ring mould, and the initial setting time was measured by test rod. Data were statistically analyzed by linear regression (α = 0.05). result: The initial setting times were 149.60 ± 0.55 (control) and 96.40 ± 0.89 (31° C) seconds for normal set, and 122.00 ± 1.00 (control) and 69.60 ± 0.55 (31° C) seconds for fast set. The coefficient of determination of room temperature to initial setting time of alginate were R2 = 0.74 (normal set) and R2 = 0.88 (fast set). The regression equation for normal set was Y = 257.6 – 5.5 X (p < 0.01) and fast set was Y = 237.7 – 5.6 X (p < 0.01). Conclusions: The room temperature gave high contribution and became a strength predictor for initial setting time of alginates. The share contribution to the setting time was 0.74% for normal set and 0.88% for fast set alginates.

The effect of different concentrations of Neem (Azadiractha indica) leaves extract on the inhibition of Streptococcus mutans (In vitro) Sri Kavi Subramaniam; Widowati Siswomihardjo; Siti Sunarintyas
Dental Journal (Majalah Kedokteran Gigi) Vol. 38 No. 4 (2005): December 2005
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

The Neem plant has a history for treating gum and teeth problems and this plant is used for oral care in India. The active component (Azadirachta indica) has been proven to exhibit antibacterial properties. The objective of this study was to determine the influence of different concentrations of Neem leaves extract on the inhibition of Streptococcus mutans. Neem leaves extract at concentrations of 10%, 20%, 40%, 60%, 80%, and 100% was prepared. Fifty milliliters of each concentration were dropped into holes of 6 millimeters in diameter on a MHA agar that has been inoculated with Streptococcus mutans. Distilled water was used as a control. After 24 hours of incubation, the inhibition diameters were measured and analyzed. The statistical results of the one-way analysis of variance (ANOVA) illustrated that the different concentrations of Neem extract had a significant influence on the inhibition of Streptococcus mutans. This was followed with the Least Significant Difference (LSD) which implied that there were significant differences between all the concentrations of Neem leaves extract used in this experiment. The conclusion of this study was that Neem leaves extract exhibited antibacterial effect towards Streptococcus mutans and different concentration of Neem leaves extract influenced the inhibition of Streptococcus mutans.

Co-Authors Abdulghani Ali Khalil Afra Hatim Ahmad Syaify, Ahmad Akmal, Syazwani Alizatul Khairani Hasan Alva Edy Tontowi Ananto Ali Alhasyimi Archadian Nuryanti Aria Fransiska Asam Khalifa Mohammed Asam Khalifa Mohammed Dahlia Herawati Dea Cahyani, Yessica Dedi Sumantri Dewi Agustina Dian Noviyanti Agus Imam Dian Noviyanti Agus Imam Dita Ayu Mayasari, Dita Ayu Dyah Anindya Widyasrini Dyah Irnawati Ema Mulyawati Ema Mulyawati Ema Mulyawati Endah Ariyati Eko Ningtyas Fery Setiawan Harsini Harsini ,, Harsini Hasna Syifa Yuniva Helmi Fathurrahman, Helmi Heni Susilowati Hilda Mutia Hanum I Dewa Gde Mayun Permana Iwa Sutardja, Iwa Iwa Sutardjo Iwa Sutardjo, Iwa Jukka Pekka Matinlinna Juni Handajani Karina Larasati Khuzaimah, Ismi Lisdrianto Hanindriyo Margareta Rinastiti mariyam mariyam, mariyam Marsetyawan HNE Soesatyo Marsetyawan HNE Soesatyo Marsetyawan HNES Mochammad Imron Awalludin Mohammad Khafid Muhammad Kusumawan Herliansyah N Nuryono Nilasary Rochmanita Suparno Nuryono Nuryono Nuryono Nuryono Nuryono Nuryono Nuryono Nuryono Oedijani Oedijani, Oedijani Paramarta, Sagita Pradnya Pinandi Sri Pudyani Prakosa, Basma Rosandi Pramudya Aditama Prisca Dhyaning Dentiana R. Rachmat A Sriwijaya Rahma Syarafina Maharani Rahman, Friska Ani Raymund Octavius Kusuma Buwana Rifki Moechtar Rini Dharmastiti Rosyida, Niswati Fathmah Sana Mohammed Alrefae Sri Budi Barunawati Sri Kavi Subramaniam Sudarsono Sudarsono Sudibyo Martono Suparyono Saleh Suryono Suryono , Syazwani Akmal Tunjung Nugraheni Udadi Sadhana, Udadi Verani, Dhea Maurilla W. Widjijono Wayan Tunas Artama Widowati Siswomihardjo Widowati Siswomiharjdo Widowati Siswomiharjo Widowati Widowati Widya Asmara Widya Asmara Widya Puspita Sari Yasnawi, Mohammad Imanuddin Yeni Yustisia Yoga, I Gede Krisna Merta Yosi Bayu Murti Yuliatun, Leny Yulita Kristanti

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