The sealing ability of gutta-percha/sealer root canal filling was compared to a new thermoplastic synthetic polymer-based obturation material (Resilon), using a microleakage model and a new sequence detection assay One Cut Event AmplificatioN (OCEAN). Eighty-eight extracted human teeth, shaped with K-Files and the ProTaper Technique, were randomly assigned to four groups (n = 22) and obturated ...

INTRODUCTION Various materials and methods have been recommended for successful root canal obturation. The aim of this experimental in vitro study was to compare the sealing ability of three root canal sealers AH-26, glass ionomer cement (GIC) and zinc oxide eugenol (ZOE) in single gutta-percha obturating system. METHODS AND MATERIALS Seventy extracted single-rooted human teeth were decoronat...

Aim: This study aimed to assess and compare the fracture resistance of simulated immature teeth reinforced with Biodentine (BD) and mineral trioxide aggregate (MTA) as apical barriers and two root canal backfilling combination (gutta-percha/AH26, MetaSeal). Materials and methods: A total of 70 extracted human maxillary incisors were randomly divided into seven groups (n = 10). The positive cont...

Abstract Introduction Insufficient seal of apex is a significant reason for an endodontist’s disappointment. The materials root-end filling utilized ought to forestall departure possible pollutants into periapical areas. objective this analysis was compare the fixing capacity three materials: white mineral trioxide aggregate (MTA), Portland cement (PC), and Biodentine. This analyzed through tes...

Endodontic management of immature anterior teeth with necrotic pulps is a great challenge. Although there are different treatment procedures to deal with this problem such as apexification by using calcium hydroxide dressings or applying a barrier of mineral trioxide aggregate and gutta-percha obturation, the outcomes are still unsatisfactory and the root might still be weak. Recently, a new tr...

AIM The aim of this in vitro study was to evaluate if there is any significant difference in apical leakage when gutta-percha is removed immediately after obturation for postspace preparation or after a week. MATERIALS AND METHODS Two commonly used sealers AH26 and tubliseal were used in four groups each consisting of 20 teeth each. The tooth was sectioned at the amelocemental junction to lea...

BACKGROUND Endodontic therapy is considered a series of important and interdependent steps, and failure of any of these steps may compromise the treatment outcome. This study aimed to evaluate the effectiveness of three different rotary systems in removing obturation materials during endodontic retreatment using scanning electron microscopy (SEM) analysis. MATERIAL AND METHODS Thirty-six endo...

The aim of this in vitro study was to compare the sealing quality of three root canal filling materials after four years of ageing. Obturation with the non-instrumentation technique (NIT) was compared with cold lateral condensation of gutta-percha. Seventy-six canals were endodontically treated with traditional hand instrumentation and cold lateral condensation (control) whereas 77 canals were ...

This case report describes root canal filling performed over a large S1 ProTaper file fragment in a second mandibular molar with irreversible pulpitis. An S1 ProTaper file was fractured during the instrumentation of the mesiobuccal canal. Approximately 10 mm of file fragment remained in the apical and middle thirds of the canal. The obturation was performed over this fragment using thermomechan...