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All Journal e-GIGI Dentika Dental Journal Dental Journal (Majalah Kedokteran Gigi) SONDE (Sound of Dentistry) MDJ (Makassar Dental Journal) Indonesian Journal of Prosthodontics
Naliani, Silvia
Department Of Prosthodontics, Faculty Of Dentistry, Maranatha Christian University
Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Medicine & Pharmacology Public Health

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Influence of immersion in heat-cured resin acrylic in chitosan solution to hardness, transversal strength and modulus of elasticity Naliani, Silvia; Angela Evelyna; Gabriella Jessica Suherman; Fransella Praisy Trinity Maramis
Indonesian Journal of Prosthodontic Vol 5 No 1 (2024): June 2024
Publisher : Indonesia Prosthodontic Association

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46934/ijp.v5i1.270

Abstract

Background: Heat-cured acrylic resin is a commonly used material for removable denture bases but has a low mechanical strength. Heat-cured acrylic resin used as a denture base must be kept clean by immersing the denture in a cleaning agent. Denture cleaning materials on the market generally come from chemicals. Immersion of heat-cured acrylic resin as denture base in chitosan solution can inhibit the growth of Candida albicans better than oxygenizing denture cleaning solution. Biologically, chitosan is safe because it has biocompatible and biodegradable properties. Objectives: To determine the effect of immersion of heat-cured acrylic resin in chitosan solution on hardness, transverse strength, and modulus of elasticity. Materials and method: 25 acrylic resin plates measuring 65 x 10 x 2.5 mm divided into five groups. Each group was immersed in a solution of 1%, 2%, 3% chitosan, distilled water, and 1% ascorbic acid, then tested for transverse strength using the Universal Testing Machine. The values ​​of transverse strength and modulus of elasticity were calculated using the formula. Hardness test pre and post-test used 15 acrylic resin plates measuring 12mm x 12mm x 3mm were divided into five groups with each group immersed in 1%, 2%, 3% chitosan solution, distilled water, and 1% ascorbic acid. Results: Statistical analysis used one-way ANOVA for each test. The only significant difference was the modulus of elasticity between the immersion groups. The value of transverse strength, modulus of elasticity, and hardness was higher in the group with a 3% chitosan solution, with no difference statistically in transverse strength and hardness between groups. Conclusion: there was a significant difference in the effect of elastic modulus from the immersion of heat-cured acrylic resin in solution distilled water and 1% ascorbic acid as a control and 1%, 2%, and 3% chitosan solutions with ascorbic acid as a solvent
Surface roughness assessment with fluoride varnish application: An in vitro study Apriani, Anie; Naliani, Silvia; Djuanda, Rudy; Teanindar, Shania Hysan; Florenthe, Jessica Quiteria; Baharudin, Ferri
Dental Journal (Majalah Kedokteran Gigi) Vol. 56 No. 3 (2023): September
Publisher : Faculty of Dental Medicine, Universitas Airlangga https://fkg.unair.ac.id/en

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/j.djmkg.v56.i3.p154-159

Abstract

Background: The cause of cavities is initially due to roughness on the tooth surface, requiring fluoride varnish to prevent caries, as the varnish applies a fluoride compound to the tooth surface. Fluoride varnish reacts with the tooth enamel surface to form calcium fluoride and fluorapatite, thus making the enamel surface more resistant to demineralization and damage. Purpose: This study aims to compare the roughness of tooth enamel surfaces among three fluoride varnishes under acidic conditions. Methods: The research method uses three fluoride varnish materials: sodium fluoride 5% + tricalcium phosphate, calcium fluoride, and sodium fluoride 5% + casein phosphopeptide-amorphous calcium phosphate 2%. Samples of 81 teeth were divided into three groups (Group 1 without fluoride varnish application, Group 2 application of fluoride varnish with pH 3, and Group 3 application of fluoride varnish with pH 5). The teeth were tested before and after application of the varnishes using the scanning electron microscope and surface roughness tests. Results: The results showed a significant difference in the mean surface roughness of the enamel of the anterior deciduous teeth tested with fluoride varnish. The before and after comparisons in the pH 3 and pH 5 groups were very significant (p-value 0.000). The comparison results in each pH group after fluoride varnish administration showed no significant difference (pH 3 p-value 0.074 and pH 5 p-value 0.196). The tooth surfaces appear to be rougher after administration of an all-acid solution. Conclusion: There is a difference in surface roughness of primary teeth after being given fluoride varnish in low pH 3 immersion for 24 hours.
Co-Authors Angela Evelyna Angela Evelyna Anggita U. C. Purba Anie Apriani, Anie Aprillia Adenan Baharudin, Ferri Dahlia Sutanto Deddy Firman Dian Lesmana Djuanda, Rudy Dominica Dian Saraswati Sumantri Ester, Sisca Ferry Sandra Florenthe, Jessica Quiteria Fransella Praisy Trinity Maramis Gabriella Jessica Suherman Henry Y. Mandalas Jane Amelia Vebriani Wibisono Jason F. Laurence Lelyana, Shelly Martono, Hadisusanto Ali Michael Adi Hizkia Noviana Kurniawan Patricia Octaviane Mellinia Sutarto P Setyawan Bonifacius Teanindar, Shania Hysan Vinna K. Sugiaman Vinna K. Sugiaman Vinna Kurniawati Sugiaman Wibisono, Jane Amelia V.