Antibacterial effect of Er,Cr:YSGG laser and chlorhexidine 2% against Entrococcus faecalis in dentin tubules (in vitro study)

被引：1

作者：

Kangarloo, Ali ^{[1
]}

Salar, Omid

Zerafatjou, Golaleh

Kalhori, Katayoun A. M. ^{[2
]}

Sohrabi, Mona ^{[3
]}

Fekrazad, Reza ^{[4
,5
]}

机构：

[1] Shahid Beheshti Univ Med Sci, Dent Fac, Endodont Dept, Tehran, Iran

[2] Iranian Med Laser Assoc, Tehran, Iran

[3] Qazvin Univ Med Sci, Dent Caries Prevent Res Ctr, Pediat Dept, Qazvin, Iran

[4] AJA Univ Med Sci, Laser Res Ctr Med Sci, Radiat Sci Res Ctr, Tehran, Iran

[5] Univ Sci Educ & Res Network USERN, Int Network Photo Med & Photo Dynam Therapy INPMP, Tehran, Iran

来源：

LASER PHYSICS | 2021年 / 31卷 / 08期

关键词：

antibacterial agents; chlorhexidine; lasers; Enterococcus faecalis; GALLIUM-GARNET LASER; ENTEROCOCCUS-FAECALIS; SODIUM-HYPOCHLORITE; CHROMIUM-YTTRIUM; IRRADIATION; IRRIGANTS; EFFICACY; BIOFILMS; SYSTEMS; ERBIUM;

D O I：

10.1088/1555-6611/ac0dc8

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The main cause for endodontics treatment failure is microorganisms remaining in place. Entrococcus faecalis is one the most resistant bacteria in endodontic failures. Based on these facts we decided to compare the antibacterial effects of erbium, chromium-doped yttrium, scandium, gallium and garnet (Er,Cr:YSGG) laser and chlorhexidine 2% solution against E. faecalis. In this experimental study, 60 anterior teeth were divided into four groups: chlorhexidine (n = 25), Er,Cr:YSGG laser (2780 nm, 25 mJ, 0.5 W) (n = 25), positive and negative control (n = 5). About 56% of laser group plates and 4% of chlorhexidine plates showed bacterial growth. Chlorhexidine 2% was significantly more effective against entrococcus than Er,Cr:YSGG laser (p < 0.001). Both Er,Cr:YSGG laser and chlorhexidine 2% had bactericidal effect on E. faecalis, however chlorhexidine 2% was significantly more effective.

引用

页数：4

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