Antibacterial Agents in Dental Treatments

Rahimi, Saeed; Milani, Amin Salem; Ghasemi, Negin; Shahi, Shahriar

doi:10.5772/33835

Cited by 11 publications

(19 citation statements)

References 59 publications

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“…Irrigation in addition to mechanical preparation is required in order to increase the efficiency of preparation and effectively eliminate bacteria from the root canal system (22). These irrigation solutions should eliminate endodontic pathogens, persistent infection and resistant bacteria.…”

Section: Discussionmentioning

confidence: 99%

Antibacterial Efficiency of Different Irrigation Solutions, Lasers and Photodynamic Therapy with Indocyanine Green in Root Canals Infected By <i>Enterococcus Faecalis</i>

Ozkocak¹,

Göktürk²,

Çoşkun³

et al. 2018

meandros

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Objective: The aim of this study was to evaluate bacterial reduction after using different irrigants, lasers and photodynamic therapy (PDT) in root canals infected by Enterococcus faecalis. Materials and Methods: Seventy human maxillary incisors were used in this study. After endodontic preparation, sixty teeth were infected by 20 µl E. faecalis (ATCC 29212) and specimens were incubated for 72 hours. Groups were formed according to the irrigation protocol used: group 1: negative control, group 2: positive control, group 3: 10 mL 2% chlorhexidine (CHX), group 4: 10 mL 5% NaOCl, group 5: diode laser, group 6: Er:YAG laser, and group 7: indocyanine green (ICG)-diode laser (PDT). After disinfection procedures the samples isolated from root canals were placed into blood agar, incubated at 37 °C for 24 h and then were counted for colony-forming units. One-Way ANOVA was used for the statistical evaluation of data. For multiple comparisons, Tamhane's T2 test was used. Results: All investigated disinfection procedures had a significant reduction in the bacterial population (p<0.001). CHX, NaOCl and ICG-diode laser groups were equally effective in reducing E. faecalis populations (p>0.05) and statistically more effective than both laser groups (p<0.05). Conclusion: Promising results were obtained by using PDT with ICG. This alternative disinfection method found effective on E. faecalis. Amaç: Bu çalışmanın amacı, Enterococcus faecalis ile enfekte edilmiş kök kanallarında farklı irrigasyon solüsyonları, lazerler ve fotodinamik tedavi (FDT) kullandıktan sonra bakteri sayısındaki azalmayı değerlendirmektir. Gereç ve Yöntemler: Bu çalışmada yetmiş adet insan üst çene kesici dişi kullanıldı. Kök kanal preparasyonundan sonra altmış diş 20 μL E. faecalis (ATCC 29212) ile

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Section: Discussionmentioning

confidence: 99%

Antibacterial Efficiency of Different Irrigation Solutions, Lasers and Photodynamic Therapy with Indocyanine Green in Root Canals Infected By <i>Enterococcus Faecalis</i>

Ozkocak¹,

Göktürk²,

Çoşkun³

et al. 2018

meandros

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“…Therefore, no effective smear layer removal could be expected prior to the application of the resin‐based cement in root canal that received NaOCl as final rinse (Bitter et al, ), which can interfere in the contact of the cement to dentin. In literature, the effects of NaOCl as a final rinse on bond strength have been discussed controversially (Rahimi et al, ; Wegehaupt et al, ).…”

Section: Discussionmentioning

confidence: 99%

“…Sodium hypochlorite (NaOCl) is the most commonly used irrigant in root canal treatment due to its tissue dissolving capability and microbial activity (Rahimi et al, ). However, NaOCl is a very unstable solution, does not affect inorganic material (Rahimi et al, ) and can reduce microhardness of intracanal dentin (Wegehaupt, Betschart, & Attin, ).…”

Section: Introductionmentioning

confidence: 99%

Analysis of adhesive interface in root canals irradiated by Er,Cr:YSGG laser after luting a fiber post

Souza‐Gabriel

Sousa‐Neto

Ururahy

et al. 2016

Microsc. Res. Tech.

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This study evaluated the effect of Er,Cr:YSGG laser on the root canal dentin after luting a fiber post. Twenty-four bovine teeth roots were prepared using NiTi instruments and filled with Sealer 26 and gutta-percha. Post spaces were prepared and roots were distributed according to dentin treatment (n = 8): 2.5%NaOCl (group control), Er,Cr:YSGG laser (1.5 W, 20 Hz, 20 s) (group test 1) or 2.5%NaOCl + Er,Cr:YSGG laser (group test 2). Fiber posts were luted using adhesive cement (Rely X U200, 3M) and roots were prepared to confocal laser scanning microscopy (CLSM) and scanning electron microscope (SEM). The morphology of interface, thickness of cement, and the gaps and tags were analyzed. Non-parametrical data for thickness of cement were submitted to Friedman and Kruskall-Wallis tests (α = 0.05) and parametrical data for gaps to ANOVA (α = 0.05). CLSM of the cement thickness and gaps revealed no significant difference in surface treatment (NaOCl, Er,Cr:YSGG laser and NaOCl + Er,Cr:YSGG laser) (p > .05) and canal thirds (cervical, middle, and apical) (p > 0.05). SEM showed tags and a residual layer of cement adhered to dentin, mainly in laser-irradiated specimens. The pretreatment of root canal with Er,Cr:YSGG laser previously to luting the fiber post with a self-adhesive cement did not influence the cement thickness and gaps but affected the dentin interaction.

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“…Currently, it is generally believed once the irrigation with hypochlorite is finished that the number of residual bacteria is responsible for endodontic failures. It can be controlled by placing an interappointment medication within the prepared canal, CHX and Calcium hydroxide, are the most commonly used inter-appointment dressings to wash the root canal with abundant saline solution or distilled water to thus dilute the sodium hypochlorite to the extent that PCA would not be formed when getting together with the CHX (Rahimi et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Water and Physiological Saline to Prevent the Formation of P-Chloroaniline

Riquelme

Correa

Araya

et al. 2015

Int. J. Odontostomat.

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This study determined if p-chloroaniline (PCA) can be minimized by using distilled water and physiological saline solution following sodium hypochlorite but before chlorhexidine. Hypochlorite 5%, 0.5%, 0.05%, 0.005% and 0.0005% dissolved in 0.9% NaCl and in distilled water were mixed with 2% chlorhexidine for the formation of PCA. The PCA was determined using UV-VISIBLE spectrometry, with spectral curve was determined the wavelength of maximum absorption of PCA. Formed PCA absorbance was measured between 0.025%, 0.02%, 0.015%, 0.01%, 0.005% and 0.0025% hypochlorite and 2% chlorhexidine. 2% chlorhexidine and hypochlorite with physiological saline form a white precipitate which prevents the measurement of PCA. Colored PCA is formed with 0.05%, 0.005% hypochlorite aqueous dilutions and 2% chlorhexidine. The lwavelength of maximum absorption obtained was 470 nm and absorbance of PCA showed a linear decrease. 0.005% NaClO produces the least amount of PCA. The best solvent to prevent the formation of PCA during the interaction of sodium hypochlorite with chlorhexidine is distilled water.

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Antibacterial Agents in Dental Treatments

Cited by 11 publications

References 59 publications

Antibacterial Efficiency of Different Irrigation Solutions, Lasers and Photodynamic Therapy with Indocyanine Green in Root Canals Infected By <i>Enterococcus Faecalis</i>

Antibacterial Efficiency of Different Irrigation Solutions, Lasers and Photodynamic Therapy with Indocyanine Green in Root Canals Infected By <i>Enterococcus Faecalis</i>

Analysis of adhesive interface in root canals irradiated by Er,Cr:YSGG laser after luting a fiber post

Water and Physiological Saline to Prevent the Formation of P-Chloroaniline

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