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All Journal ODONTO Dental Journal Padjadjaran Journal of Dentistry SENTRI: Jurnal Riset Ilmiah Odonto dental journal
Akwan, Yulie Emilda
Department Of Pediatric Dentistry, Faculty Of Dentistry, Universitas Hang Tuah
Aerospace Engineering Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Dentistry Economics, Econometrics & Finance Health Professions Immunology & microbiology Law, Crime, Criminology & Criminal Justice Medicine & Pharmacology Public Health

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Cocos nucifera l. (coir) fiber application as a filler and its effect on the volumetric shrinkage of flowable composite resin: an in vitro study cevanti, Twi agnita; Tameno, Yolanda Agustina; Mawarani, Lizda Johar; Akwan, Yulie Emilda; Prananingrum, Widyasri; Son, Meekyoung
Padjadjaran Journal of Dentistry Vol 37, No 1 (2025): March 2025
Publisher : Faculty of Dentistry Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol37no1.58864

Abstract

Introduction: The use of composite resin as a restorative material has the disadvantage of experiencing volumetric shrinkage during polymerization, which can lead to restoration failure. Fiber-reinforced composites can reduce volumetric shrinkage in restorative materials. Coir fiber has the potential to replace synthetic fillers because its hollow fiber structure resembles foam, supporting a compact yet lightweight structure. This characteristic is expected to reduce the volumetric shrinkage of composite resin. This study aims to analyze the effect of coir fiber application as a filler on flowable composite resin on shrinkage, comparing it with flowable composite resin containing synthetic filler. Methods: The cellulose fiber used as a filler was synthesized from coir, while the matrix consisted of BisGMA and TEGDMA resins in a ratio 5:1. The composite was prepared with a coir fiber-to-matrix resin composition of 70:30, and polymerization was carried out by irradiation for 40 seconds. Volumetric shrinkage was tested 90 minutes after irradiation. The dimensions of the composite sample were measured from images captured using a digital microscope and analyzed with ImageJ software. The volume shrinkage was then calculated based on these dimensions. Shrinkage was further confirmed through SEM analysis of marginal adaptation tests. Results: The application of coir fiber as a filler effectively reduced the volumetric shrinkage of the composite compared to the composites with synthetic filler. Statistical analyses using the Mann-Whitney test results indicated that the type of filler in flowable composite resin had a significant effect, with a p-value of 0.047 (p<0.05). Conclusion: Application of coconut fiber as filler in flowable composite resin significantly reduce volumetric shrinkage, making it three times smaller than that of flowable composite resin with a synthetic filler.
Edukasi dan Motivasi Pemeliharaan Kesehatan Rongga Mulut dengan Sikat Gigi Kustom Modifikasi pada Siswa SLB YPAC Surabaya Soesilo, Diana; Akwan, Yulie Emilda; Syanti, Wanda Rahma
SENTRI: Jurnal Riset Ilmiah Vol. 4 No. 11 (2025): SENTRI : Jurnal Riset Ilmiah, November 2025
Publisher : LPPM Institut Pendidikan Nusantara Global

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55681/sentri.v4i11.4958

Abstract

SLB YPAC Surabaya is a school for students with disabilities, particularly those with cerebral palsy, who experience motor limitations and therefore require specially adapted tools for maintaining oral health. To support oral hygiene, a three-sided toothbrush was used, allowing simultaneous cleaning of the buccal, occlusal, and lingual/palatal surfaces, with the handle modified using child-safe clay that is inexpensive, easy to shape, and readily available. Oral hygiene was assessed using plaque index scores with a plaque detector and halitosis scores with a halitosis detector, and both students and their assistants were taught how to create the customized toothbrush handle. Parents’ knowledge was measured through pre- and post-tests, while students’ oral health was evaluated through plaque and halitosis indices. Wilcoxon tests showed significant differences in parental knowledge (p=0.000) and in plaque and halitosis scores before and after using the modified toothbrush (p=0.002; p<0.05), indicating clear improvement. Therefore, the use of a three-sided toothbrush with a clay-based customized handle is effective in enhancing the oral hygiene of students with cerebral palsy.
Shear bond strength fissure sealant based on glass ionomer after topical fluor application: a comparison between sodium fluoride and acidulated phosphate fluoride Akwan, Yulie Emilda; Paramita, Annisa Listya; Rahmitasari, Fitria
Odonto : Dental Journal Vol 9, No 2 (2022): December 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (341.899 KB) | DOI: 10.30659/odj.9.2.222-230

Abstract

Background: Application of fissure sealants to young permanent teeth is one of the preventive measures for caries in the field of dentistry. Fissure sealants based on glass ionomer cement (GIC) have the advantage of releasing fluoride. Sodium fluoride and acidulated phosphate fluoride (APF) are remineralization agents because they can increase remineralization by altering hydroxyapatite to fluorapatite and this in turn makes fluorine able to increase pH. Fluoride can prevent caries by increasing remineralization of the enamel that has just been demineralized by acids produced by plaque bacteria. The aim of this study is to compare the shear bond strength fissure sealant based on glass ionomer between sodium fluoride and APF topical fluor applicationMethod: This research applied true experimental design with post test only control group design. The 21 maxillary permanent premolars were distributed into 3 groups, namely the control group (K1), the treatment group added 5% sodium fluoride (K2), and the treatment group added 1.23% APF (K3). Result: One Way ANOVA and post hoc LSD analysis test displayed no significant difference in each group. This could be due to the material used as a conditioner prior to the GIC application. The addition of fluoride ions will inhibit the demineralization process of the enamel produced by the application of conditioner. So it does not rule out that it will interfere with the attachment of the GIC material used as a fissure sealant in this research.Conclusion: There was no significant difference in shear bond strength of fissure sealant based on glass ionomer between sodium fluoride and acidulated phosphate fluoride topical application.
Shear bond strength fissure sealant based on glass ionomer after topical fluor application: a comparison between sodium fluoride and acidulated phosphate fluoride Akwan, Yulie Emilda; Paramita, Annisa Listya; Rahmitasari, Fitria
Odonto : Dental Journal Vol 9, No 2 (2022): December 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.9.2.222-230

Abstract

Background: Application of fissure sealants to young permanent teeth is one of the preventive measures for caries in the field of dentistry. Fissure sealants based on glass ionomer cement (GIC) have the advantage of releasing fluoride. Sodium fluoride and acidulated phosphate fluoride (APF) are remineralization agents because they can increase remineralization by altering hydroxyapatite to fluorapatite and this in turn makes fluorine able to increase pH. Fluoride can prevent caries by increasing remineralization of the enamel that has just been demineralized by acids produced by plaque bacteria. The aim of this study is to compare the shear bond strength fissure sealant based on glass ionomer between sodium fluoride and APF topical fluor applicationMethod: This research applied true experimental design with post test only control group design. The 21 maxillary permanent premolars were distributed into 3 groups, namely the control group (K1), the treatment group added 5% sodium fluoride (K2), and the treatment group added 1.23% APF (K3). Result: One Way ANOVA and post hoc LSD analysis test displayed no significant difference in each group. This could be due to the material used as a conditioner prior to the GIC application. The addition of fluoride ions will inhibit the demineralization process of the enamel produced by the application of conditioner. So it does not rule out that it will interfere with the attachment of the GIC material used as a fissure sealant in this research.Conclusion: There was no significant difference in shear bond strength of fissure sealant based on glass ionomer between sodium fluoride and acidulated phosphate fluoride topical application.
Co-Authors Diana Soesilo, Diana Fitria Rahmitasari Juniar, Eriza Lizda Johar Mawarani Paramita, Annisa Listya Paramita, Ayulistya Son, Meekyoung Tameno, Yolanda Agustina Twi Agnita Cevanti Wanda Rahma Syanti Widyasri Prananingrum