Context: is the most common bacteria found in infected root canals.
Aim: The purpose of this study was to evaluate the effect of the mono instrument (wave-one) on the reduction of in root canals.
Materials And Methods: Thirty-two human monoroot teeth were used. After sterilization by autoclave, the teeth were infected by and incubated for 24 h. Each tooth underwent sampling before and after the root canal shaping. After serial dilution, samples were incubated, and colony-forming units were counted.
Results: The mono instrument technique reduced infection by in root canals of 30 teeth. The mean bacterial load (log) was 3.98 before treatment and 1.20 after treatment. The paired -test showed a significant mean difference (log) of the bacterial load before and after treatment ( < 0.0001).
Conclusion: This study found that the mono instrument (Wave One) significantly decreases bacterial load in root canals. However, the instrument alone is not enough to eradicate infections; thus, the use of a complementary antimicrobial is required.
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http://dx.doi.org/10.4103/JCD.JCD_344_17 | DOI Listing |
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Fujian Key Laboratory of Coastal Pollution Prevention and Control, College of the Environment & Ecology, Xiamen University, Xiamen 361102, China. Electronic address:
Halogenated bisphenol compounds are prevalent in urban water systems and may pose greater environmental risks than their bisphenol precursors. This study explored the formation of halogenated bisphenol F (BPF) in water chlorination and their subsequent transformation behaviors in receiving waters. The kinetics and pathways of BPF halogenation with chlorine, bromine, and iodine were firstly investigated.
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Department of Chemistry, College of Chemistry and Chemical Engineering, Xiamen University, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, Xiamen, 361005, China.
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Yuri Gagarin State Technical University of Saratov, 77 Polytechnicheskaya St., Saratov, 410054, Russia. Electronic address:
Lab Chip
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School of Engineering, The University of British Columbia, Okanagan Campus, Kelowna, BC, Canada.
The paper demonstrates an adaptation of a Prusa Mini+ 3D printer through the integration of 3D printed modules, creating a system capable of producing varied droplets from multiple Eppendorf tubes. Building upon our previous model, this system enhances calibration methodology enabling any fused deposition modeling (FDM) printer to produce mono-disperse droplets (coefficient of variance (CV%) <2% for train of 100 droplets) with 6900 assays per hour rate. The cost of the developed system is 85% lower than that of existing droplet generation solutions on the market, and 30% more economical than the previous iteration of the system.
View Article and Find Full Text PDFJ Vis Exp
November 2024
Department of Orthopaedic Surgery, Showa University School of Medicine; Department of Orthopaedic Surgery, Ohta-Nishinouchi Hospital;
Thoracolumbar (TL) burst fracture is one of the most common indications for minimally invasive percutaneous pedicle screw fixation. Although the indication for surgical treatment of neurologically intact TL fractures remains under debate, studies have demonstrated that posttraumatic malalignment may lead to a deterioration in the patient's quality of life. For burst fractures with malalignment or fragments in the spinal canal, a reduction technique using ligamentotaxis is commonly used to improve long-term outcomes.
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