Effect of modified NaOCl irrigation solution on bond strength of bioceramic-based root canal sealer to dentin.

Introduction: Biomechanical shaping and hermetic obturation play an important role in the success of root canal treatment.

Aims And Objectives: This study aimed to examine the bonding strength of the bioceramics sealer to the dentin surface with or without core when irrigated with conventional NaOCl, modified NaOCl, EDTA, MTAD and distilled water. Materials and Methods: 120 single-root teeth dissected at the level of enamel-cement junction were grouped according to different irrigation and filling techniques; each group consisted 12 teeth.

Effect of radiotherapy on the coronal-sealing ability of two different root canal sealing materials.

Objective: This study aimed to assess the coronal-sealing ability of two different root canal obturation materials: gutta-percha with AH Plus and Resilon with Epiphany SE between radiated and nonirradiated groups.

Materials And Methods: Fifty-six extracted premolar teeth were randomly divided into two main groups according to the presence or absence of radiotherapy. Specimens were divided into two equal groups.

Evaluation of root canal morphology of human primary mandibular second molars by using cone beam computed tomography.

Objectives: The aim of the present study was to investigate the root canal configurations of primary mandibular second molars (PMSMs) using Vertucci classification. Materials and Methods: The root canal types of 228 PMSMs (228 mesial and 228 distal roots) were evaluated. In addition, the relationship between external root morphology and Vertucci classification was investigated.

Severe unintentional extrusion of mineral trioxide aggregate during apexification.

The aim of this report was to present the long-term clinical and radiographic outcomes of a case including severe unintentional extrusion of mineral trioxide aggregate (MTA). An 11-year-old boy was referred with a previously traumatized permanent central incisor which was temporarily treated by using calcium hydroxide root canal filling material. Since having an open apex and a large periapical lesion, root canal treatment with MTA apexification was planned.

Effect of retreatment instruments on microcrack formation: a microcomputed tomography study.

Introduction: The purpose of this study was to compare the occurrence of microcracks in teeth prepared with different retreatment systems using microcomputed tomography (micro-CT).

Methods: Forty-two freshly extracted mandibular premolar teeth were used. The root canals were instrumented with stainless steel K-files to an apical size of 35/.