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| Motta, Antonella |
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| Azevedo, Nuno Monteiro |
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Grabarczyk, Jacek
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Publications (3/3 displayed)
- 2024The Doping of a Carbon Coating with Phosphorus as a Potential Way of Improving the Biological Properties of Diamond-like Carboncitations
- 2023Removing Fractured Endodontic Files with a Tube Technique - The Strength of the Glued Joint: Tube - Endodontic File Setupcitations
- 2022Tribological Characteristics of a-C:H:Si and a-C:H:SiOx Coatings Tested in Simulated Body Fluid and Protein Environmentcitations
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article
Removing Fractured Endodontic Files with a Tube Technique - The Strength of the Glued Joint: Tube - Endodontic File Setup
Abstract
One recommended technique for removing broken root canal instruments is to glue the fragment into a cannula adapted to it (i.e., the tube technique). The aim of the study was to determine the influence of the adhesive kind and length of the joint on the breaking force. During the investigation, 120 files (60 H-files and 60 K-files) and 120 injection needles were used. Fragments of broken files were glued into the cannula using one of three materials: cyanoacrylate adhesive, composite prosthetic cement, or glass ionomer cement. The lengths of the glued joints were 2 and 4 mm. After the polymerization of adhesives, a tensile test was carried out to find a breaking force. The results were statistically analyzed (p < 0.05). For 4 mm lengths of glued joints, the breaking force was higher than for 2 mm for both file types (K and H). In the case of K-type files, the breaking force was higher for cyanoacrylate and composite adhesives than glass ionomer cement. For H-type files, no significant difference in joint strength was found between binders at 4 mm, while at 2 mm, a much better connection was obtained for cyanoacrylate glue than prosthetic cements.