Pengaruh rendaman cuka (asam asetat) terhadap kekerasan amalgam
DOI:
https://doi.org/10.35790/eg.5.2.2017.16926Abstract
Abstract: Amalgam filling has been used since the 19th century. The hardness of a filling material in the mouth may be affected by acidic drinks or foods. One of the foods normally consumed by the Indonesian is acidic due to its vinegar content. This study was aimed to determine the effect of vinegar on the change of amalgam hardness. This was a laboratory experimental study with a post test only control group design. There were 30 samples of amalgam plates with a diameter of 5 mm and 2 mm of thickness. The samples were divided into two groups with three different immersion times, as follows: 5, 10, and 20 minutes. After immersion, the samples’ hardness was measured by using the Micro Vickers Hardness Tester. Data normality was tested with Shapiro-Wilk test, then the data were statistically analyzed with independent sample t-test. The results showed a significant effect of vinegar immersion on changes in amalgam hardness (P <0.05). Conclusion: Vinegar immersion affected the hardness of amalgam.
Keywords: amalgam, vinegar, surface hardness
Â
Abstrak: Amalgam merupakan bahan tumpatan yang digunakan sejak abad ke-19. Sifat keras suatu bahan tumpatan di dalam rongga mulut dapat dipengaruhi oleh minuman asam atau makanan yang dikonsumsi. Salah satu makanan yang biasanya dikonsumsi oleh orang Indonesia bersifat asam dan mengandung bahan cuka. Penelitian ini bertujuan untuk mengetahui pengaruh rendaman cuka terhadap perubahan kekerasan amalgam. Jenis penelitian ialah eksperimental laboratorik dengan desain post test only control group. Sampel penelitian ini ialah lempeng amalgam berbentuk lingkaran dengan ukuran diameter 5 mm dan tinggi 2 mm sebanyak 30 buah. Sampel dibagi menjadi dua kelompok dengan tiga durasi waktu perendaman yang berbeda yaitu 5, 10, dan 20 menit. Setelah perendaman, sampel diukur nilai kekerasannya menggunakan Micro Vickers Hardness Tester, kemudian dilakukan uji normalitas data menggunakan uji Shapiro-Wilk. Data dianalisis secara statistik dengan menggunakan uji independent sample t-test. Hasil penelitian menunjukkan adanya pengaruh bermakna dari perendaman cuka terhadap perubahan kekerasan amalgam (P < 0.05). Simpulan: Perendaman cuka memengaruhi kekerasan amalgam.
Kata kunci: amalgam, cuka, kekerasan permukaan
Downloads
How to Cite
Issue
Section
License
COPYRIGHT
Authors who publish with this journal agree to the following terms:
Authors hold their copyright and grant this journal the privilege of first publication, with the work simultaneously licensed under a Creative Commons Attribution License that permits others to impart the work with an acknowledgment of the work's origin and initial publication by this journal.
Authors can enter into separate or additional contractual arrangements for the non-exclusive distribution of the journal's published version of the work (for example, post it to an institutional repository or publish it in a book), with an acknowledgment of its underlying publication in this journal.
Authors are permitted and encouraged to post their work online (for example, in institutional repositories or on their website) as it can lead to productive exchanges, as well as earlier and greater citation of the published work (See The Effect of Open Access).
