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A comparison of the relative efficacies of four hand and rotary instrumentation techniques during endodontic retreatment.
AIM The purpose of this study was to quantify the amount of remaining gutta-percha/scaler on the walls of root canals when two engine-driven instruments (Quantec and ProFile) and two hand instrumentsExpand
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Canal configuration of the mesiobuccal root of the maxillary first molar of a Japanese sub-population.
AIM The aim of this study was to determine the percentage of anatomical canal configurations of the mesiobuccal root of the maxillary first molar in Japanese patients. METHODOLOGY Three hundredExpand
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Two canals in mesiobuccal roots of maxillary molars.
The purpose of this study was to examine extracted root canal treated maxillary molars cleared for: (i) the presence of a mesiopalatal (MP) canal in both first and second molars, (ii) the extensionExpand
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A comparison of shaping ability using ProFile, GT file, and Flex-R endodontic instruments in simulated canals.
A total of 160 resin-simulated canal blocks with 20-degree or 30-degree curvature were prepared by ProFile rotary instruments, GT rotary files, and the balanced force technique with Flex-R files.Expand
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Sealing ability of Thermafil with and without sealer.
The purpose of this study was to evaluate the apical sealing ability of root canals filled using three obturating techniques. Sixteen maxillary first molars were obturated with Thermafil, 16 withExpand
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Effectiveness of eucalyptol and d-limonene as gutta-percha solvents.
Eucalyptol and d-limonene were evaluated for their ability to serve as a substitute solvent for chloroform. The amount of time required to soften and remove the gutta-percha in 72 instrumented andExpand
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Removal of smear layer in the root canal using oxidative potential water.
We investigated oxidative potential water (OPW) for its ability to remove the smear layer using a scanning electron microscope. OPW has been studied mainly in Japan and is known to suppress bacteriaExpand
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Sealing ability of thermoplasticized gutta-percha fill techniques as assessed by a new method of determining apical leakage.
One hundred fifty-nine extracted single-rooted maxillary human teeth were instrumented and randomly divided into nine groups of 17 teeth each and 6 control teeth. Experimental groups were obturatedExpand
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Effectiveness of oxidative potential water as a root canal irrigant.
AIM The aim of this study was to evaluate the effectiveness of oxidative potential water (OPW) as an irrigant, based on its ability to remove the smear layer and/or debris from instrumented rootExpand
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Treatment of dens invaginatus by endodontic therapy, apicocurettage, and retrofilling.
  • G. Hata, T. Toda
  • Materials Science, Medicine
  • Journal of endodontics
  • 1 September 1987
Dens invaginatus was successfully treated using apicocurettage and retrofilling following conventional root canal therapy. Two years postoperatively the tooth was asymptomatic and the lesion appearedExpand
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