An RC Plasma Device for Sterilization of Root Canal of Teeth

被引：157

作者：

Lu, Xinpei ^{[1
,2
]}

Cao, Yinguang ^{[3
]}

Yang, Ping ^{[3
]}

Xiong, Qing ^{[1
,2
]}

Xiong, Zilan ^{[1
,2
]}

Xian, Yubin ^{[1
,2
]}

Pan, Yuan ^{[1
,2
]}

机构：

[1] Huazhong Univ Sci & Technol, Nucl Fus & Adv Elect Technol Key Lab, Minist Educ, Wuhan 430074, Peoples R China

[2] Huazhong Univ Sci & Technol, Coll Elect & Elect Engn, Wuhan 430074, Peoples R China

[3] Huazhong Univ Sci & Technol, TongJi Med Coll, Wuhan 430074, Peoples R China

来源：

IEEE TRANSACTIONS ON PLASMA SCIENCE | 2009年 / 37卷 / 05期

关键词：

Atmospheric-pressure plasma; biomedical application; nonequilibrium plasma; plasma jet; root canal; sterilization; ATMOSPHERIC-PRESSURE PLASMA; VOLATILE ORGANIC-COMPOUNDS; DISCHARGE; AIR; NEEDLE;

D O I：

10.1109/TPS.2009.2015454

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

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. When He/O-2 (20%) is used as working gas, the rotational and vibrational temperatures of the plasma are about 300 K and 2700 K, respectively. The peak discharge current is about 10 mA. Preliminary inactivation experiment results show that it can efficiently kill Enterococcus faecalis, one of the main types of bacterium causing failure of root-canal treatment in several minutes.

引用

页码：668 / 673

页数：6

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