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THE POTENTIAL EFFECT OF AVOCADO SEED EXTRACT (PERSEA AMERICANA) AS A CORROSION INHIBITOR ON SURFACE CHARACTERISTIC OF ORTHODONTIC WIRES Leliana Sandra Devi; Rina Sutjiati; Dwi Prijatmoko; Herniyati; Rudy Joelijanto; Vanda Ramadhani
Journal of Vocational Health Studies Vol. 9 No. 1 (2025): July 2025 | JOURNAL OF VOCATIONAL HEALTH STUDIES
Publisher : Faculty of Vocational Studies, Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jvhs.V9.I1.2025.47-53

Background: The surface roughness of orthodontic arch wires is an essential factor that affects the effectiveness of arch-guided tooth movement. Metal wires exposed to the oral cavity environment are susceptible to corrosion. The corrosion process cannot be stopped but can be inhibited using natural inhibitors that contain antioxidant compounds, such as tannins found in avocado seeds. Tannins in avocado seed extract can act as a corrosion inhibitor through two working mechanisms, a passive layer and an adsorption process. Purpose: The aim of this study was to examine the viability of avocado seed extract as a corrosion inhibitor on the surface characteristic of orthodontic wires. Method: This research is an experimental laboratory research. A total of 48 orthodontic wires (stainless steel, nickel titanium, and Titanium-Molybdenum Alloy (TMA)) were prepared and divided into control and treatment groups. The treatment groups were immersed in avocado seed extract at concentration of 1.5 g/L (T-1), 2 g//L (T-2) and 2.5 g/L (T-3) for 7 days with twice daily immersion of 1 minute each. A TR 220 surface roughness tester (ΔRa) was used to evaluate surface characteristic. The data was analyzed using the one-way ANOVA test followed by post hoc LSD test with a significance value of p-value < 0.05. Result: The average surface roughness increased in all control groups except for stainless steel wire which did not show a significant difference with p-value = 0.716. Furthermore, the difference test between groups on each wire showed different results. Conclusion: Avocado seed extract is effective as a corrosion inhibitor for orthodontic wires.

Potential of Avocado Seed Extract (Pasea Americana) As A Corrosion Inhibitor Against Surface Roughness OF CUNITI Orthodontic WIRE Devi, Leliana Sandra; Pridjatmoko, Dwi; Herniyati, Herniyati; Sutjiati, Rina; Joelijanto, Rudy; Ramadhani, Vanda
Jurnal Kesehatan Gigi Vol. 11 No. 1 (2024): juni 2024
Publisher : Jurusan Kesehatan Gigi, Poltekkes Kemenkes Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31983/jkg.v11i1.10755

The surface roughness of orthodontic archwires is an essential factor that deter- mines the effectiveness of arch-guided tooth movement. CuNiTi-based wires are widely used in orthodontic treatment, but the oral environment can trigger corrosion of CuNiTi orthodontic wires. The tannin content in avocado seed extract can be used as a corrosion inhibitor through two working mechanisms, namely, forming a passive layer and an adsorption process. The aim of this research is to examine the effect of avocado seed extract as a corrosion inhibitor on the surface roughness of orthodontic CuNiTi wire. The as- retacngular 17 x 25 inch CuNiTi wire were taken in 4 group (1 control group soaked in artificial saliva and 3 treatment groups soaked in avocado seed extract ). Â Samples were immersed in avocado seed extract with concentrations of 1,5 g/L, 2 g/L and 2,5g/L for 7 days. For surface roughness was test Surface Roughness Average analysis. One way ANOVA test showed that there was a significant difference between the control group and all treatment groups in the surface roughness test with a value of p = 0.000. Post Hoc LSD test showed that there were no significant differences between treatment group 2 and treatment group 3 with a p value = 0.122. Providing avocado seed extract with tannin content at concentrations of 1.5 g/L and 2 g/L can reduce surface roughness on CuNiTi wire due to the corrosion process.

EFFECTIVENESS OF ROBUSTA COFFEE BEAN EXTRACT GEL (Coffea canephora) ON THE THICKNESS OF COLLAGEN FIBERS AFTER WISTAR RAT TOOTH EXTRACTION Sari, Desi Sandra; Aisyah, Siti; Rachmawati, Dessy; Sutjiati, Rina; Yuwono, Budi
Odonto : Dental Journal Vol 10, No 2 (2023): December 2023
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Background: Tooth extraction causes injury to the alveolar bone and oral mucosa which is followed by the body â€™s natural response through wound healing. One of the important parameters and indicators of wound healing is collagen density. Collagen is synthesised by fibroblasts in the proliferative phase, which was formed from day 3 and reached its peak on day 7. Robusta coffee beans have active compounds in the form of anti-inflammatory and antioxidants that are effective in accelerating wound healing. Objective: To determine the effectiveness of robusta coffee bean extract gel (Coffea canephora) at concentrations of 12,5%, 25%, and 50% in increasing the thickness of collagen fibres in socket wound healing after tooth extraction in Wistar rats. Method: This type of research is laboratory experimental. The samples used were 40 male Wistar rats divided into 5 groups: negative control, positive control, 12.5% robusta coffee bean extract gel treatment, 25% robusta coffee bean extract gel treatment, and 50% robusta coffee bean extract gel treatment. The sample group was decapitated on the 3rd and 7th day after tooth extraction. Socket tissues were taken to make histological preparations stained with trichrome mallory and then measured using Adobe Photoshop CS 6.0 software. Results: The average thickness of collagen fibres in the Robusta coffee bean extract gel treatment group was higher than that in the control group (p

EFFECTIVENESS OF ROBUSTA COFFEE BEAN EXTRACT GEL (Coffea canephora) ON THE THICKNESS OF COLLAGEN FIBERS AFTER WISTAR RAT TOOTH EXTRACTION Sari, Desi Sandra; Aisyah, Siti; Rachmawati, Dessy; Sutjiati, Rina; Yuwono, Budi
Odonto : Dental Journal Vol 10, No 2 (2023): December 2023
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar

Background: Tooth extraction causes injury to the alveolar bone and oral mucosa which is followed by the body â€™s natural response through wound healing. One of the important parameters and indicators of wound healing is collagen density. Collagen is synthesised by fibroblasts in the proliferative phase, which was formed from day 3 and reached its peak on day 7. Robusta coffee beans have active compounds in the form of anti-inflammatory and antioxidants that are effective in accelerating wound healing. Objective: To determine the effectiveness of robusta coffee bean extract gel (Coffea canephora) at concentrations of 12,5%, 25%, and 50% in increasing the thickness of collagen fibres in socket wound healing after tooth extraction in Wistar rats. Method: This type of research is laboratory experimental. The samples used were 40 male Wistar rats divided into 5 groups: negative control, positive control, 12.5% robusta coffee bean extract gel treatment, 25% robusta coffee bean extract gel treatment, and 50% robusta coffee bean extract gel treatment. The sample group was decapitated on the 3rd and 7th day after tooth extraction. Socket tissues were taken to make histological preparations stained with trichrome mallory and then measured using Adobe Photoshop CS 6.0 software. Results: The average thickness of collagen fibres in the Robusta coffee bean extract gel treatment group was higher than that in the control group (p

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