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All Journal Indian Journal of Forensic Medicine & Toxicology
Emad Farhan Alkhalidi
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Public Health

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Fracture Resistance of New Fiber Post System (Rebilda GT) Emad Farhan Alkhalidi
Indian Journal of Forensic Medicine & Toxicology Vol. 14 No. 3 (2020): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v14i3.10835

Abstract

Background and Aims: Evaluate and compare the fracture resistance of endodontically treated teeth restored with bundle glass fiber post and tapered glass fiber post, at 45 degree oblique load. Materials and Method: Thirty newly extracted single rooted mandibular first premolars were chosen, and after root canal preparation and obturation, post spaces were prepared. Then the samples were separated into three groups (n = 10) dependent on the type of restorative method used: group A restored with Rebilda fiber post [tapered glass fiber post], group B restored with Rebilda post GT post system (bundle glass fiber post), and group C restored with direct composite resin restoration without a post (control). Using a universal testing machine with speed of 0.5 mm/minute at 45 degree sloping load which was applied to the restored teeth, fracture resistance was recorded in Newton. Results: The results showed that the fracture resistance significantly affected by different post systems (p < 0.05). The bundle glass fiber post (rebilda Gt) showed highest fracture resistance than the other groups. Conclusion: Rebilda GT post (bundle glass fiber system) showed higher fracture resistance than the Rebilda fiber post (tapered glass fiber post) and control group respectively
Accuracy of Different Apex Locaters. (A Comparative in Vitro Study) Mohammad Munthir Abdulrazzaq; Emad Farhan Alkhalidi
Indian Journal of Forensic Medicine & Toxicology Vol. 15 No. 4 (2021): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v15i4.16745

Abstract

Aims: The objective of this in vitro study was to compare the accuracy of the Root-ZX II, Root ZX Mini,i Pex II, Kerr apex ID , Root PI and YD2 electronic apex locators (EALs) in locating the apical foramen.Materials and Methods: Fifty extracted human teeth with mature apices were used. Access cavities wereprepared. In order to make sure that we have an accurate working length of 21 mm the crown was sectionedwith diamond disc (control). The teeth were then embedded in an alginate model to simulate the periodontiumafter that the Canals were irrigated with 2.5% sodium hypochlorite. The actual length and electronic lengthmeasurements were made on each specimen separately by apex locator devices with an aid of a K-type file.Results: Statistical results showed no significant difference between the 6 devices although concerninglocating the apical foramen, Root-ZXII , Root ZX Mini, were accurate 96% of the time to ±0.5mm, where asI pex II and Kerr apex ID were accurate 94% of the time to 0.5 mm from the apical foramen, 44% ±0.5mmfor the Root PI and 44% ±0.5mm for the yD2. Conclusions: All the apex locators were able to determinedthe position of the apical foramen but consequently the Root-ZX II, Root ZX Mini, i Pex II, Kerr apex IDwere more accurate than Root PI and YD2 apex locators.
Co-Authors Mohammad Munthir Abdulrazzaq