Results 91 to 100 of about 35,821 (179)

Dentinal Crack Formation and Quality of Obturation Using Two Single File Systems and Two Obturation Techniques: A micro-CT Study.

open access: yesErbil Dental Journal
Background and objectives: Root canal preparation following obturation with rotary instruments and different obturation techniques may lead to formation of microcracks in the root canal wall, void and gaps between the canal wall and obturation material.
Shaban Shaban Omar   +1 more
doaj  

Dentinal crack formation after different obturation techniques

open access: yesSaudi Journal of Oral Sciences, 2019
Introduction: The aim of this investigation was to compare the incidence of dentinal crack after different obturation techniques. Materials and Methods: Fifty-five mandibular teeth with mature apices and straight root canals (>5°) that had been extracted
Hale Ari Aydinbelge   +2 more
doaj   +1 more source

Assessment of Root Canal Filling Capacity and Quality of the Root Canal Pastes

open access: yesActa Stomatologica Croatica
Background: The complex anatomy of root canals in primary teeth makes root canal treatment and canal filling difficult. Root canal filling materials should meet the basic requirements for hermetic filling in terms of their physicochemical properties ...
Melike Kurt, Ebru Hazar Bodrumlu
doaj   +1 more source

Post space preparation timing of root canals sealed with AH Plus sealer

open access: yesRestorative Dentistry & Endodontics, 2017
Objectives To determine the optimal timing for post space preparation of root canals sealed with epoxy resin-based AH Plus sealer in terms of its polymerization and influence on apical leakage.
Hae-Ri Kim   +2 more
doaj   +1 more source

The relation between parameter curves and lines of curvature on canal surfaces [PDF]

open access: yesarXiv, 2012
A canal surface is the envelope of a moving sphere with varying radius, defined by the trajectory C(t) (spine curve) of its center and a radius function r(t). In this paper, we investigate when parameter curves of the canal surface are also lines of curvature. Last of all, for special spine curves we obtain the radius function of canal surfaces.
arxiv  

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