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All Journal Majalah Kedokteran Gigi Indonesia ODONTO Dental Journal Insisiva Dental Journal : Majalah Kedokteran Gigi Insisiva B-Dent, Jurnal Kedokteran Gigi Universitas Baiturrahmah Mandala of Health : A Scientific Journal Odonto dental journal Medical and Health Journal Linggamas: Jurnal Pengabdian Masyarakat Journal of Dental and Biosciences
Satrio, Rinawati
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Dentistry Health Professions Medicine & Pharmacology Nursing Public Health Social Sciences Other

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PREHEATING EFFECT OF GIOMER’S SURFACE HARDNESS ON DIRECT RESTORATION Dwiandhono, Irfan; Kurniawan, Aris Aji; Satrio, Rinawati; Logamarta, Setiadi Warata; Winanto, Muthiary Nitzschia Nur Iswary
Odonto : Dental Journal Vol 9, No 1 (2022): July 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.982 KB) | DOI: 10.30659/odj.9.1.95-99

Abstract

Background: Composite resin is a material that is widely used for caries restoration, enamel abrasion, and aesthetic needs because of the good fit with teeth. Restorative materials that release fluoride ions may prolong the therapeutic and protective effects of the enamel. Nowadays, composite resins have been developed a new hybrid restorative material, named giomer. Giomer containing pre-reacted glass-ionomer (PRG) which can release and recharge fluoride ions. Composite resins have a disadvantage, a presence of shrinkage during polymerization, which can cause gaps between the tooth surface and composite resin. Preheating is carried out before irradiation with conventional oven. Preheating makes the composite resin stronger, reduces viscosity makes it easier to adapt and apply, and improves mechanical properties. This study aims to determine the effect of preheating on surface hardness.Method: The research sample used is 27 pieces cylinder-shaped with 5 mm diameter and 2 mm depth. The number of treatments was divided into 3 treatment groups. The treatment groups were divided based on the preheating treatment temperature of 37°C, 60°C, and control group. The surface hardness test was carried out using Vicker's microhardness tester.Result: The statistical One Way ANOVA test showed a significant result between the groups (p<0,05). LSD test (Least Significance Difference test) showed a significant result between the treatment temperature of 37°C, 60°C, and control group (p<0,05).Conclusion: The result of the giomer surface hardness test with preheating showed a higher result than the control group. The preheating group with a temperature of 60°C had the highest result.
PREHEATING EFFECT OF GIOMER’S SURFACE HARDNESS ON DIRECT RESTORATION Dwiandhono, Irfan; Kurniawan, Aris Aji; Satrio, Rinawati; Logamarta, Setiadi Warata; Winanto, Muthiary Nitzschia Nur Iswary
Odonto : Dental Journal Vol 9, No 1 (2022): July 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.9.1.95-99

Abstract

Background: Composite resin is a material that is widely used for caries restoration, enamel abrasion, and aesthetic needs because of the good fit with teeth. Restorative materials that release fluoride ions may prolong the therapeutic and protective effects of the enamel. Nowadays, composite resins have been developed a new hybrid restorative material, named giomer. Giomer containing pre-reacted glass-ionomer (PRG) which can release and recharge fluoride ions. Composite resins have a disadvantage, a presence of shrinkage during polymerization, which can cause gaps between the tooth surface and composite resin. Preheating is carried out before irradiation with conventional oven. Preheating makes the composite resin stronger, reduces viscosity makes it easier to adapt and apply, and improves mechanical properties. This study aims to determine the effect of preheating on surface hardness.Method: The research sample used is 27 pieces cylinder-shaped with 5 mm diameter and 2 mm depth. The number of treatments was divided into 3 treatment groups. The treatment groups were divided based on the preheating treatment temperature of 37°C, 60°C, and control group. The surface hardness test was carried out using Vicker's microhardness tester.Result: The statistical One Way ANOVA test showed a significant result between the groups (p<0,05). LSD test (Least Significance Difference test) showed a significant result between the treatment temperature of 37°C, 60°C, and control group (p<0,05).Conclusion: The result of the giomer surface hardness test with preheating showed a higher result than the control group. The preheating group with a temperature of 60°C had the highest result.
Effect of Durian Rind Nanocellulose Addition on the Vickers Hardness of Self-Cure Acrylic Resin Fabricated By Spray-on Method Imam, Dian Noviyanti Agus; Purnama, Ryana Budi; Satrio, Rinawati; Rochmawati, Mutia
Medical and Health Journal Vol 5 No 2 (2026): February
Publisher : Fakultas Kedokteran Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.mhj.2026.5.2.16998

Abstract

Self-cure acrylic resin is commonly used to fabricate orthodontic baseplates in removable appliances. However, it exhibits relatively low hardness, making it susceptible to wear and deformation under masticatory forces. The addition of reinforcing materials can enhance mechanical properties such as hardness. Nanocellulose derived from durian (Durio zibethinus Murr.) rind, an agricultural waste product, is a promising bio-based reinforcing material. This study aimed to determine the effect of durian rind nanocellulose addition on the Vickers hardness of self-cure acrylic resin fabricated using the spray-on method.This laboratory experimental study employed a posttest-only control group design. Durian rind nanocellulose was synthesized via acid hydrolysis and characterized using Transmission Electron Microscopy (TEM) and Fourier Transform Infrared Spectroscopy (FTIR) to confirm morphology and functional groups before incorporation into the acrylic resin. The nanocellulose was dispersed in monomer using ultrasonic homogenization for 5 minutes to ensure uniform distribution, then applied to polymer powder using the spray-on method. Twenty-four samples were divided into three groups (n=8): 2% nanocellulose, 3% nanocellulose, and control (0% nanocellulose). The highest mean hardness value was found in the 2% nanocellulose group (30.77 ± 1.03 VHN), while the lowest was in the control group (26.90 ± 0.79 VHN). Data were normally distributed and homogeneous (Shapiro-Wilk and Levene tests). One-way ANOVA revealed significant differences among groups (p<0.05), with post hoc LSD tests confirming significant pairwise differences. This study concludes that durian rind nanocellulose addition significantly increases the Vickers hardness of self-cure acrylic resin fabricated by the spray-on method compared to the control group
Effect of Miswak (Salvadora persica) Toothbrushing on Salivary Flow Rate in Children with Down Syndrome: a Pre–Post Controlled Study Artika, Suci Idia; Satrio, Rinawati; Ramadhani, Amilia
Journal of Dental and Biosciences Vol 3 No 01 (2026): Journal of Dental and Biosciences
Publisher : Jurusan Kedokteran Gigi Fakultas Kedoketaran Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.jdentbios.2026.3.01.19117

Abstract

Background: Saliva plays a vital role in maintaining oral health. Children with Down syndrome often experience reduced salivary flow due to salivary gland hypoplasia, increasing their risk of oral health problems. Miswak (Salvadora persica), a traditional toothbrush, provides both mechanical and chemical stimulation that may enhance salivary secretion. This study aimed to evaluate the effect of miswak toothbrushing on salivary flow rate in children with Down syndrome. Methods: A controlled pre-post study­ was conducted among 20 children with Down syndrome in SLB C-C1 Yakut Purwokerto and SLB ABCD Banyumas, Central Java, Indonesia. Participants were randomly assigned to a miswak group or a conventional toothbrush group. Saliva was collected using the spitting method before and after brushing. Results: The miswak group showed a significant increase in salivary flow rate (0.21 to 1.01 mL/min), compared to a modest increase in the control group (0.21 to 0.31 mL/min). The difference between groups was statistically significant (p < 0.01). Conclusions: These findings suggest that miswak toothbrushing may be an effective method to enhance salivary flow in children with Down syndrome, potentially contributing to improved oral health outcomes. Keywords: Down syndrome, salivary flow rate, Salvadora persica, oral health
Co-Authors Adrianto, Angger Waspodo Dias Ali Taqwim Amilia Ramadhani Artika, Suci Idia Dian Noviyanti Agus Imam dias andrianto, angger waspodo Dwi Nur Indah Sari Fitri Diah Oktadewi Haris Budi Widodo hartomo, bambang tri Hesantera, Amalia Putri Hidayat, Egi Gibbons Hirawan, Helmi Irfan Dwiandhono Khairunnisa, Ghina Kurniawan, Aris Aji Kusuma, Maulidina Raihan Laksitasari, Anindita Logamarta, Setiadi Warata Maziyyah, Faiz Meylida Ichsyani Multri, Violentri Mutia Rochmawati Naim, Cantika Nadrotan Oktavilia, Ernasiwi Astri Peramiarti, IDSAP Prakoso, Aditya Priagung Prihastuti, Christiana Cahyani Purnama, Ryana Budi Rahmawati, Haryani Devi Rahmawati, Selma Junita Rakhmawati Rakhmawati Riski Amalia Hidayah Salisa, Ziyada wardana, Tirta Winanto, Muthiary Nitzschia Nur Iswary Yunanto, Karissa Alysia Zahra