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All Journal Conservative Dentistry Journal Community Medicine and Education Journal Buletin Kedokteran dan Kesehatan Prima
Tanjung, Dian Soraya
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Humanities Biochemistry, Genetics & Molecular Biology Dentistry Education Health Professions Languange, Linguistic, Communication & Media Medicine & Pharmacology Nursing Public Health

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The Effect of Strawberries as a Natural Teeth Whitening Agent on Tooth Surface Roughness: In Vitro Study Tanjung, Dian Soraya; Daryono; Yemima Christy Ginting
Community Medicine and Education Journal Vol. 5 No. 1 (2024): Community Medicine and Education Journal
Publisher : HM Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37275/cmej.v5i1.440

Abstract

Teeth whitening due to discoloration can be achieved by methods of bleaching. The material used in bleaching conventional methods can have effects on hard tooth tissue, such as increasing tooth surface roughness. Strawberries (Fragaria x ananassa) have long been known for being effective in whitening teeth. The aim of the research was to determine the effect of strawberries as a natural teeth whitening agent on tooth surface roughness in vitro. This research is an in vitro experiment. The samples were 24 first premolars of the upper jaw and lower jaw, which were divided into two groups. Group 1 (strawberry juice 100%) and group 2 (carbamide peroxide 10%). Testing tooth surface roughness using tools surface roughness tester, then the data was analyzed using statistical test paired t-test and Mann-Whitney. The results of the study showed that the mean and standard deviation of tooth surface roughness before and after application of strawberry fruit juice was 0.37 ± 0.156 and 0.22 ± 0.129, while the 10% carbamide peroxide group obtained the value of tooth surface roughness before and after application was 0.36 ± 0.118 and 0.37 ± 0.263.
Efficacy of white vinegar, 37% phosphoric acid and 10% hydrofluoric acid on the retrievability of bioceramic sealer: an in-vitro study Tanjung, Dian Soraya; Daryono; Winata, Mellisa
Conservative Dentistry Journal Vol. 14 No. 2 (2024): July-December
Publisher : Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/cdj.v14i2.2024.65-70

Abstract

Background: Root canal retreatment is performed when root canal treatment fails. One of the challenges in retreatment is the removal of root canal filling material. Bioceramic sealer is a new endodontic biomaterial that has many advantages. Nevertheless, the difficulty in retrieving bioceramic sealer in failed root canal treatment remains a controversy. Purpose: To investigate the efficacy of white vinegar, 37% phosphoric acid and 10% hydrofluoric acid in retrieving bioceramic sealer. Methods: Bioceramic sealer specimen was used as samples in this study consisting of 60 samples divided into four treatment groups. All groups were soaked in white vinegar, 37% phosphoric acid, 10% hydrofluoric acid and saline as negative control for 10 minutes. Microhardness testing was performed using Vickers Microhardness Tester, then all data were statistically analysed using One Way ANOVA and post-hoc LSD. Results: The result of this study showed mean and standard deviation of VHN of bioceramic sealer specimen which were soaked in white vinegar, 37% phosphoric acid, 10% hydrofluoric acid and saline as follows respectively: 45.11±2.39; 51.46±3.64; 29.77±2.66; 66.16±1.70 with p value <0.001. Conclusion: 10% hydrofluoric acid has the greatest potency as root canal solvent for bioceramic sealer during root canal retreatment.
Gonial angle, antegonial angle, and bigonial breadth among Chinese and Batak ethnic groups: A panoramic radiographic analysis Perdani, Mustika Lili; Wilvia, Wilvia; Tabhita, Kanaya; Ishak, Ishfahani Suriadi; Perangin-angin, Meika Maharani Br; Pasaribu, Tulus; Desta, Maorina; Tanjung, Dian Soraya; Purba, Member Reni
Buletin Kedokteran & Kesehatan Prima Vol. 5 No. 1 (2026): March
Publisher : Fakultas Kedokteran, Kedokteran Gigi, dan Ilmu Kesehatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/bkkp.v5i1.8019

Abstract

Background: Mandibular morphology is a key aspect of antropometry and dentistry, reflecting anatomic variations influenced by genetic, ethnic, and environmental factors. Parameters such as bigonial width, gonial angle, and antegonial angle serve as primary indicators in mandibular morphometric analysis, with applications in orthodontics, maxillofacial surgery, and forensic identification. Population-based morphometric data for local Indonesian groups remain limited. This study addresses this gap by examining mandibular characteristics in Batak and Chinese ethnic groups. This study aimed to compare bigonial width, gonial angle, and antegonial angle between Batak and Chinese groups using panoramic radiographs. Methods: This cross-sectional, observational, analytic study included 50 subjects (25 Batak and 25 Chinese) at RSGM Prima. Measurements were performed with ImageJ software and analyzed using Shapiro-Wilk normality test, Levene homogeneity test, and independent t-test.  Results: No statistically significant differences were found in gonial angle (p=0.665), antegonial angle (p=0.218), or bigonial width (p=0.328) between the groups.  Conclusion: No significant differences exist in gonial angle, antegonial angle, or bigonial width between Batak and Chinese groups. Mandibular morphometric variations are not determined solely by ethnicity. These parameters should be integrated with other anthropologic markers and primary identification methods for greater accuracy in clinical and forensic applications.
Co-Authors DARYONO Desta, Maorina Ishak, Ishfahani Suriadi Pasaribu, Tulus Perangin-angin, Meika Maharani Br Perdani, Mustika Lili Purba, Member Reni Tabhita, Kanaya Wilvia, Wilvia Winata, Mellisa Yemima Christy Ginting