Feasibility of nonthermal atmospheric pressure plasma for intracoronal bleaching

Park, Jeong-Kil; Nam, Seoul-Hee; Kwon, Hyeokjin; Mohamed, Abdel‐Aleam H.; Lee, J. K.; Kim, G. C.

doi:10.1111/j.1365-2591.2010.01828.x

Cited by 63 publications

(48 citation statements)

References 22 publications

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“…For example, the energies needed to break an HO-OH bond and an HO 2 -H bond are 2.2 eV and 3.8 eV, respectively, for the formation of the reactive OH radical used as the main species in applications such as tooth bleaching, sterilization, and metal-surface treatment. [25][26][27][28] Furthermore, energetic electrons are a likely another major source of damage to DNA molecules for biomedical applications such as cancer treatment and bacterial inactivation because electrons with Here, s p is the pulse period (s p ¼ 100s rf ) and n is integer (n 1) representing the number of pulse period. sufficient energy can induce DNA SSB and DSB.…”

Section: Resultsmentioning

confidence: 99%

Abnormal electron-heating mode and formation of secondary-energetic electrons in pulsed microwave-frequency atmospheric microplasmas

et al. 2014

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The formation of secondary energetic electrons induced by an abnormal electron-heating mode in pulsed microwave-frequency atmospheric microplasmas was investigated using particle-in-cell simulation. We found that additional high electron heating only occurs during the first period of the ignition phase after the start of a second pulse at sub-millimeter dimensions. During this period, the electrons are unable to follow the abruptly retreating sheath through diffusion alone. Thus, a selfconsistent electric field is induced to drive the electrons toward the electrode. These behaviors result in an abnormal electron-heating mode that produces high-energy electrons at the electrode with energies greater than 50 eV. V C 2014 AIP Publishing LLC. [http://dx.

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Section: Resultsmentioning

confidence: 99%

Abnormal electron-heating mode and formation of secondary-energetic electrons in pulsed microwave-frequency atmospheric microplasmas

et al. 2014

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“…Other similar studies by Dong X et al and Ritts AC et al also revealed that plasma treatment improved the interfacial bonding strength 22,23 .…”

Section: Applications Of Cold Plasma In Conservative Dentistrymentioning

confidence: 63%

Uses of cold plasma in conservative dentistry and endodontics

Hema¹,

Sharma²

2017

Int j curr adv res

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A B S T R A C T Aim:To recapitulate the possible applications of non dentistry and endodontics. Objective: Non-thermal plasma is lately being researched for its applications in dentistry and cancer therapy. The objective of this review is to summarize the possible role of Non thermal plasma in conservative dentistry and endodontics. Background: Plasma is the fourth state of matter and also the most form, the other three being air, water and solid. Plasma is ionised form of gas and is of two types: thermal and non-thermal or cold atmospheric plasma. The cold atmospheric plasma based dental applications is being investigated recently in fields such as root canal disinfection, tooth whitening, sterilization, deactivation of oral biofilms, enhancement of strength of light cure restorations and cancer therapy. Reason: Cold atmospheric plasma may be of a great use in dentistry due to its properties. This review is to recapitulate and bring to light the possible uses of cold atmospheric plasma in conservative dentistry and endodontics.solid, liquid and gas are relatively well known. Plasma which is an ionised gas is considered as the fourth state of matter. It is found naturally (upper part of earth's atmosphere) and can also be produced artificially. It is neutral atoms and molecules 1 . Based on their temperature plasmas can be categorized into thermal plasmas (cold or low temperature). In thermal plasma, the component particles are in thermal equilibrium with each other. In non-thermal or cold plasmas the larger molecules comprising the gas, ions and atoms remain at low temperatures while the electrons are accelerated. Thermal plasmas are associated with electric sparks, flames, lightening, the sun and the stars. Cold plasmas are seen in fluorescent lighting tubes, neon tubes and plasma Plasmas operated at lower temperatures have attracted a lot of interest due to its use in applications such as surface film deposition and e. In the medical field, the use of non-thermal plasma in applications such as sterilization of living tissues, living objects for medical applications, blood coagulation, wound healing and tissue regeneration and . Apart from these applications, studies have been carried out to find out the possible uses of cold plasma in dentistry. The dental applications that have been experimented are inactivation of oral microorganisms associated with periodontal diseases, dental caries, root canal disinfection, surface modifications of dentine and implants, polymerization and tooth bleaching Cold plasma/ Non-thermal atmospheric pressure plasmaThe temperature of non-thermal plasma is 104ºF at the point of application. Energy is required to produce plasma. Electric, light or thermal energy can be used. Cold plasma can be produced using different gases such as Helium, Argon, Nitrogen, Heliox (a mix of helium and oxygen), and air. Some methods used to produce cold atmospheric plasma are Dielectric Barrier Discharge (DBD), Atmospheric Pressure Plasma Jet (APPJ), plasma needle, and plasma pencilThe non-equilibrium...

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“…Preliminary reports of a new method called low-temperature atmospheric pressure plasma (ltAPP) indicated effective results in disinfection and sterilization, biofilm removal and intracoronal bleaching (14,30). Furthermore, surface treatment using ltAPP was encouraging in the surface and tissue engineering, cleaning/etching, adhesion enhancement, and biomaterial development (5,17).…”

Section: Introductionmentioning

confidence: 99%

Investigation of Root Canal Debridement Efficacy of Low Temperature Atmospheric Pressure Plasma Compared to the Current Techniques

Kaya¹,

Keçeci²,

Güldaş³

2013

Biotechnology & Biotechnological Equipment

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Feasibility of nonthermal atmospheric pressure plasma for intracoronal bleaching

Abstract: The application of nonthermal atmospheric pressure plasma to intracoronal bleaching could be a novel and efficient therapy in the bleaching of haemorrhagically stained teeth.

Cited by 63 publications

References 22 publications

Abnormal electron-heating mode and formation of secondary-energetic electrons in pulsed microwave-frequency atmospheric microplasmas

Abnormal electron-heating mode and formation of secondary-energetic electrons in pulsed microwave-frequency atmospheric microplasmas

Uses of cold plasma in conservative dentistry and endodontics

Investigation of Root Canal Debridement Efficacy of Low Temperature Atmospheric Pressure Plasma Compared to the Current Techniques

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