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Summary form only given. Formocresol and calcium hydroxide are commonly used as the clinical disinfectant of root canals. Although they have strong chemical disinfection properties, their cytotoxic effects have always been a concern. E. faecalis, which is responsible for root canal failure, can also cause life-threatening infections in humans, especially in the nosocomial (hospital) environment, where...
Identification of microorganisms causing root canal infections is an important step in the treatment of these infections. Cultivating the microorganism involved is a relatively difficult and time consuming process. Therefore, clinicians prefer to follow a treatment method based on their prior experience, rather than identifying the related pathogen microorganism and choosing a treatment strategy accordingly...
The application of cold plasma in sterilization of a root canal of a tooth has recently attracted great attention. In this paper, a reliable and user-friendly plasma-jet device, which can generate plasma inside the root canal, is reported. The plasma can be touched by bare hands and can be directed manually by a user to place it into root canal for disinfection without causing any painful sensation...
A non-thermal atmospheric-pressure plasma dental probe is developed to disinfect root canal systems during endodontic treatment. A 100% killing of the test organism Bacillus atrophaeus on nutrient agar plates, 5 mm away from the probe nozzle, with an exposure time of 60 s at an average power 2-3 W for both He and He/(1%)O2, is observed during prelimenary experiment. Results show that non-thermal plasma...
The development of effective and safe methods for root canal disinfection, including mechanical, chemical and laser techniques, remains an important problem, and complete eradication of bacteria from the root canal system with minimum tissue trauma is still a serious challenge for endodontists. Recently, a pulsed, hollow-electrode based plasma dental probe has been developed to sterilize the root...
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