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All Journal Padjadjaran Journal of Dentistry
Iin Sundari
Department of Dentistry, Faculty of Medicine, Universitas Syiah Kuala / Dental Materials Science Postgraduate Program, Faculty of Dentistry, Universitas Indonesia, Jakarta 10430
Biochemistry, Genetics & Molecular Biology Dentistry Health Professions Immunology & microbiology Medicine & Pharmacology Public Health

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Comparison of Candida albicans colony amount in heat-cured acrylic and thermoplastic nylon resin after immersion in Ulee Kareng coffee (Coffea robusta) Sundari, Iin; Andayani, Ridha; Harahap, Novriyanti Fatimah
Padjadjaran Journal of Dentistry Vol 29, No 1 (2017): March
Publisher : Faculty of Dentistry Universitas Padjadjaran, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (220.041 KB) | DOI: 10.24198/pjd.vol29no1.11970

Abstract

Introduction: Heat-cured acrylic resin is the most often used material in the manufacture of denture base. Along with the development of science and technology, to overcome the shortcomings of heat-cured acrylic resin, repairment of denture base material was done, one of them is a thermoplastic nylon resin. On the use of denture often found Candida albicans attached to the denture. This study aimed to determine the comparison of the amount of Candida albicans colony on heat-cured acrylic and thermoplastic nylon resin after immersed in the Ulee Kareng coffee (Coffea robusta). Methods: The number of specimens in this study were 8 specimens; 4 Meliodent® heat-cured acrylic resins and 4 Bio Tone® thermoplastic nylon resins with size of 10x10x2 mm. The methods of this study was experimental laboratory. The specimens were stored in a solution of Ulee Kareng coffee (Coffea robusta) for 7 days. Each specimen was contaminated with Candida albicans, then the number of Candida albicans colony was counted with Colony counter, from threshing results of heat-cured acrylic and thermoplastic nylon resins. Data were analyzed with unpaired t test. Results: Unpaired t test results showed that there were significant differences (p<0.05) between the number of colonies of Candida albicans in heat-cured acrylic resin (4.5 CFU/ml) and thermoplastic nylon resin (1.5 CFU/ml) after both immersed in the Ulee Kareng coffee (Coffea robusta). Conclusion: The amount of Candida albicans colony on heat-cured acrylic resin was higher than on thermoplastic nylon resin.
Comparison of Candida albicans colony amount in heat-cured acrylic and thermoplastic nylon resin after immersion in Ulee Kareng coffee (Coffea robusta) Sundari, Iin; Andayani, Ridha; Harahap, Novriyanti Fatimah
Padjadjaran Journal of Dentistry Vol 29, No 1 (2017): March 2017
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (220.041 KB) | DOI: 10.24198/pjd.vol29no1.11970

Abstract

Introduction: Heat-cured acrylic resin is the most often used material in the manufacture of denture base. Along with the development of science and technology, to overcome the shortcomings of heat-cured acrylic resin, repairment of denture base material was done, one of them is a thermoplastic nylon resin. On the use of denture often found Candida albicans attached to the denture. This study aimed to determine the comparison of the amount of Candida albicans colony on heat-cured acrylic and thermoplastic nylon resin after immersed in the Ulee Kareng coffee (Coffea robusta). Methods: The number of specimens in this study were 8 specimens; 4 Meliodent® heat-cured acrylic resins and 4 Bio Tone® thermoplastic nylon resins with size of 10x10x2 mm. The methods of this study was experimental laboratory. The specimens were stored in a solution of Ulee Kareng coffee (Coffea robusta) for 7 days. Each specimen was contaminated with Candida albicans, then the number of Candida albicans colony was counted with Colony counter, from threshing results of heat-cured acrylic and thermoplastic nylon resins. Data were analyzed with unpaired t test. Results: Unpaired t test results showed that there were significant differences (p<0.05) between the number of colonies of Candida albicans in heat-cured acrylic resin (4.5 CFU/ml) and thermoplastic nylon resin (1.5 CFU/ml) after both immersed in the Ulee Kareng coffee (Coffea robusta). Conclusion: The amount of Candida albicans colony on heat-cured acrylic resin was higher than on thermoplastic nylon resin.
Effect on color stability and surface roughness of nanofiller dental composite after soaking in Bidara leaf (Ziziphus mauritiana Lam) ethanol extract: an experimental study fitriyani, Sri; Nazilla, Cut Syahla; sundari, Iin; Diansari, Viona; Subhaini, Subhaini; Ningsih, Diana Setya; Rahmayani, Liana; Qamaruzzaman, Jasmina Binti
Padjadjaran Journal of Dentistry Vol 37, No 3 (2025): November 2025
Publisher : Universitas Padjadjaran

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24198/pjd.vol37no3.61351

Abstract

Introduction: Dental composite resins offer aesthetic appeal and high wear resistance; however, their physical properties may diminish after exposure to colored foods or mouthwashes. We explore Bidara leaf (Ziziphus mauritiana Lam) extract as an alternative mouthwash due to its rich content of bioactive compounds. The study aims to analyze the color change and surface roughness of nanofiller composite resins after immersion in Bidara leaf ethanol extract. Methods: This research was an experimental study. The resin composite samples were divided into four groups; each group consisted of 3 specimens (n=3): Group 1 (negative control) immersed in distilled water; Group 2 (positive control) immersed in 0.2% chlorhexidine; and Groups 3 and 4 soaked in 4.5% and 20% ethanol extracts of Bidara leaf, respectively. The specimens were cylindrical with a diameter of 10 mm and a thickness of 2 mm. All specimens were the same size, shape, and color, with flat surfaces and no cracks or stains. Samples were immersed for two minutes daily over one month. Color changes were analyzed using a stereomicroscope and the CIELab color system with Adobe Photoshop, while surface roughness was assessed using atomic force microscopy (AFM). Results: Color changes show ΔE>3.3 indicating a visible difference. The most significant color change occurrs in Group 4, followed by Groups 3, 2, and 1. One-way ANOVA shows a statistically significant color change (p<0.05). Surface roughness also increases, with Group 4 (0.138±0.066 μm) displaying the greatest roughness compared to Group 3 (0.122±0.061 μm), Group 2 (0.122±0.076 μm), and Group 1 (0.054±0.012 μm).  Based on the one-way ANOVA test, the results show no significant differences (p>0.05) between the pre- and post-immersion. Conclusion: Although changes in surface roughness were not statistically significant, the ethanol extract of Bidara leaf influences the color and surface roughness of the nanofiller dental composite.
Co-Authors Diana Setya Ningsih, Diana Setya Liana Rahmayani Nazilla, Cut Syahla Novriyanti Fatimah Harahap, Novriyanti Fatimah Qamaruzzaman, Jasmina Binti Ridha Andayani Rini Defika Putri Sri Fitriyani Subhaini, Subhaini Viona Diansari