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Differences in Orthodontic Thermal Deflection of Nickel Titanium Wire in Artificial Saliva Soat And Isotonic Beverages Suhartono, Budi; Yusuf, Moh; Aditya, Grahita; Wardhana, Erdianto Setya; Hadianto, Eko; Sa’adah, Fathimah Fitria
Odonto : Dental Journal Vol 12, No 1 (2025): April 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.1.75-83

Background: Deflection is one of the properties of the wire that can change if the environmental conditions in the oral cavity are acidic, caused by consuming isotonic drinks. This study aims to determine the difference in deflection of thermal nickel-titanium wire soaked in artificial saliva and isotonic drinks.Method: The type of research used was an in vitro experimental analytic study with a post-only control group design method. The sample used was 36 thermal nickel titanium wire (American Orthodontics) with a wire size of 0.016 inches and divided into 2 groups consisting of the artificial saliva group and the isotonic drink group. Soaking was carried out for 10.5 hours and stored in an incubator at 37oC, then a deflection test was carried out using a Universal Testing Machine. Analysis of the results was carried out using the Independent T-Test in each group after treatment.Result: The results of the study using the Independent T-Test showed a significant difference in the deflection value of the thermal nickel titanium wire in the artificial saliva group and the isotonic drink group of 0.000 (p<0.05).Conclusion: The conclusions obtained in this study indicate that thermal immersion of nickel-titanium wire in the artificial saliva group and the isotonic drink group affects the deflection force in orthodontic treatment.

Differences in Orthodontic Thermal Deflection of Nickel Titanium Wire in Artificial Saliva Soat And Isotonic Beverages Suhartono, Budi; Yusuf, Moh; Aditya, Grahita; Wardhana, Erdianto Setya; Hadianto, Eko; Sa’adah, Fathimah Fitria
Odonto : Dental Journal Vol 12, No 1 (2025): April 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.12.1.75-83

Background: Deflection is one of the properties of the wire that can change if the environmental conditions in the oral cavity are acidic, caused by consuming isotonic drinks. This study aims to determine the difference in deflection of thermal nickel-titanium wire soaked in artificial saliva and isotonic drinks.Method: The type of research used was an in vitro experimental analytic study with a post-only control group design method. The sample used was 36 thermal nickel titanium wire (American Orthodontics) with a wire size of 0.016 inches and divided into 2 groups consisting of the artificial saliva group and the isotonic drink group. Soaking was carried out for 10.5 hours and stored in an incubator at 37oC, then a deflection test was carried out using a Universal Testing Machine. Analysis of the results was carried out using the Independent T-Test in each group after treatment.Result: The results of the study using the Independent T-Test showed a significant difference in the deflection value of the thermal nickel titanium wire in the artificial saliva group and the isotonic drink group of 0.000 (p<0.05).Conclusion: The conclusions obtained in this study indicate that thermal immersion of nickel-titanium wire in the artificial saliva group and the isotonic drink group affects the deflection force in orthodontic treatment.

COMPARATIVE ANALYSIS OF BONDING SYSTEMS FOR QUARTZ FIBER POSTS IN ROOT DENTINE Firdausy, Muhammad Dian; Sugiharto, Reananda Mubarak; Hadianto, Eko; Hassan, Laila Azwa
Jurnal Medali Vol 7, No 2 (2025): Media Dental Intelektual August 2025
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/medali.7.2.76-83

Background: The success of bonding quartz fiber posts to root dentin hinges on various factors, including the bonding system. This experimental study aimed to investigate pull-out bond strength (PBS) of quartz fiber post toward root denting using different adhesive systems.Method: Thirty six human teeth (n=12) were embedded in acrylic resin blocks. Crowns were sectioned, leaving the root portion 20mm in length. Root canals were treated with standard endodontic protocols using the rotary instrument, obturated with gutta percha, and prepared for post cementation, leaving a 4mm apical seal. Root canals were prepared uniformly. After simple randomization, samples were divided into three groups according to the adhesive systems (Allcem core dual resin, NOVA resin self-adhesive, and GC FUJI Luting & Lining). Cementation procedures followed to manufacturer instructions. Post cementation was tested for PBS using a Universal Testing Machine (TN20 MD) until the posts were detached. Data were analyzed using the Kruskal-Wallis and Mann-Whitney U post hoc test (α=0.05)Result: The Kruskal-Wallis test indicated significant differences among the groups (P < 0.001), with GC FUJI Luting & Lining showing the significantly lowest PBS.Conclusion: Different cementation materials exhibit varying bond strengths. GC FUJI Luting & Lining provided inferior bond strength, making it the least recommended choice for bonding quartz fiber posts to root dentin.

The effect of non-dental glass fiber volume fraction on flexural strength of heat cured acrylic resin Hadianto, Eko; Woroprobosari, Niluh Ringga; Mujaddid, Muhammad Difa Althof
Odonto : Dental Journal Vol 9, No 2 (2022): December 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Background: Heat-cured acrylic resin is a material that is often used for the manufacture of removable partial dentures in dentistry because it uses simple equipment, relatively inexpensive, and is easy to repair. Acrylic resin also has a disadvantage, such as the low value of flexural strength so that it can cause the denture to fracture. This study determine the effect of non-dental glass fiber volume fraction on the flexural strength of heat cured acrylic resin.Method: This research are post-test only control group design. Acrylic resins were divided into four groups (6 sample each group), group 1 without the addition of non-dental glass fiber or 0% and heat cured acrylic resin group with the addition of non-dental glass fiber 1%,2%, and 3% (group 2, 3 and 4).Result: The average flexural strength of acrylic resin with a volume fraction of 2% of non-dental glass fiber had the highest value compared to other groups. The results of the Mann-Whitney test from several test groups showed significant differences in the value of flexural strength from each group (p<0.05), except for the 0% and 3% group.Conclusion: There is an effect of volume fraction of non-dental glass fiber on the flexural strength of heat cured acrylic resin.

The effect of non-dental glass fiber volume fraction on flexural strength of heat cured acrylic resin Hadianto, Eko; Woroprobosari, Niluh Ringga; Mujaddid, Muhammad Difa Althof
Odonto : Dental Journal Vol 9, No 2 (2022): December 2022
Publisher : Faculty of Dentistry, Universitas Islam Sultan Agung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/odj.9.2.201-205

Background: Heat-cured acrylic resin is a material that is often used for the manufacture of removable partial dentures in dentistry because it uses simple equipment, relatively inexpensive, and is easy to repair. Acrylic resin also has a disadvantage, such as the low value of flexural strength so that it can cause the denture to fracture. This study determine the effect of non-dental glass fiber volume fraction on the flexural strength of heat cured acrylic resin.Method: This research are post-test only control group design. Acrylic resins were divided into four groups (6 sample each group), group 1 without the addition of non-dental glass fiber or 0% and heat cured acrylic resin group with the addition of non-dental glass fiber 1%,2%, and 3% (group 2, 3 and 4).Result: The average flexural strength of acrylic resin with a volume fraction of 2% of non-dental glass fiber had the highest value compared to other groups. The results of the Mann-Whitney test from several test groups showed significant differences in the value of flexural strength from each group (p<0.05), except for the 0% and 3% group.Conclusion: There is an effect of volume fraction of non-dental glass fiber on the flexural strength of heat cured acrylic resin.

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