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All Journal Dentika Dental Journal
Atika Resti Fitri
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Dentistry

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The Application of Apple (Malus sylvestris) Extract-Based Gel: Effects on Teeth Colour Change and Hardness Fitri, Atika Resti; Limraksasin, Phoonsuk; Yendriwati; Siregar, Nindira Yasmine
Dentika: Dental Journal Vol. 27 No. 1 (2024): Dentika Dental Journal
Publisher : TALENTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dentika.v27i1.15475

Abstract

Manalagi apple extract, which contains malic acid, has the potential to be used as an alternative teeth whitening. Therefore, this study aimed to investigate the effect of Manalagi Apple (Malus sylvestris) extract-based gel on teeth colour change and hardness. It included an experimental laboratory with a pre-test, post-test, and control group design. The samples consisted of thirty anterior extracted teeth which were divided into five groups, including negative control, 10% carbamide peroxide, 25%, 50%, and 75% extract. Teeth were discoloured for seven days using a coffee solution, and gel was applied for 8 hours a day for 14 days. Teeth colour change was assessed using colourimeter device, while hardness was measured using a micro Vicker hardness tester. The data analysis was carried out using the Kruskal-Wallis test followed by Mann Whitney test, and the t-dependent test. The result showed that there was a significant change in teeth colour after treatment with 75% apple extract gel compared to the negative control and carbamide peroxide 10%. The extracted gel significantly increased teeth hardness value. These results showed that apple extract-based gel improves teeth colour without negatively affecting the hardness, suggesting that apple extract-based gel can potentially be used as a dental whitening agent.
Forensic Identification through Tongue Print in Bataknese Students Yendriwati; Atika Resti Fitri; Minasari; Wan Nadira Humaira Syaifuddin
Dentika: Dental Journal Vol. 27 No. 2 (2024): Dentika Dental Journal
Publisher : TALENTA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/dentika.v27i2.17395

Abstract

Tongue print is a novel forensic odontological concept and serves as a conventional biometric device providing basic information on a variety of unique shape and texture of tongue in each individual. Therefore, this research aimed to investigate the dominant pattern of tongue print based on the shape, lingual apex, fissures (location, depth, shape), and texture in Bataknese male and female students from Universitas Sumatera Utara. The experiment was carried out using descriptive-analytic method with a cross-sectional design. The samples were 30 Bataknese male and 30 female students from Universitas Sumatera Utara. Tongue samples obtained were printed by using alginates (irreversible hydrocolloid impression material), filled up with gips stone type IV, and the figure was taken with a digital camera. The data were analyzed based on Stefanescu classification descriptively, using percentage values and tabulation, followed by chi-square statistic test (x2). The results showed that there were variations in tongue print pattern among Bataknese males and females, but no significant difference was observed except for shape (p<0.05). The dominant pattern was square (U-shape), pointed tip of lingual apex, physiological texture, and absent fissure. These results suggested that tongue print pattern could be used for gender identification.
Co-Authors Limraksasin, Phoonsuk Minasari Siregar, Nindira Yasmine Wan Nadira Humaira Syaifuddin Yendriwati