Irradiation of infected root canals with a diode laser in vivo: Results of microbiological examinations

1997 ◽  
Vol 21 (3) ◽  
pp. 221-226 ◽  
Author(s):  
A. Moritz ◽  
N. Gutknecht ◽  
U. Schoop ◽  
K. Goharkhay ◽  
O. Doertbudak ◽  
...  
Keyword(s):  
Diode Laser ◽  
Root Canals ◽  
Infected Root

scholarly journals COMPARATIVE EVALUATION OF ROOT CANAL DISINFECTION USING 3% SODIUM HYPOCHLORITE, 940NM DIODE LASER AND PHOTODYNAMIC THERAPY IN SINGLE SITTING PULPECTOMY: AN IN-VIVO STUDY

2020 ◽  
pp. 1-3
Author(s):  
Thomas T Parakkal ◽  
Pulkit Jhingan ◽  
Shivani Mathur ◽  
Vinod Sachdev
Keyword(s):  
Photodynamic Therapy ◽  
Diode Laser ◽  
Enterococcus Faecalis ◽  
Sodium Hypochlorite ◽  
Bacterial Species ◽  
Root Canals ◽  
Root Canal Disinfection ◽  
Infected Root ◽  
Colony Forming Units

Introduction: Enterococcus faecalis is a common bacterial species in resistant and recurrent infections. It has an active proton pump which prevents its easy inhibition leading to endodontic treatment failure. LASER and photodynamic therapy have been employed lately in improving antimicrobial chemotherapy of localized infections. Aim: To compare disinfection efficacy of 940nm Diode LASER & Photodynamic therapy(PDT) to Conventional method using 3% Sodium hypochlorite in canals of endodontically treated primary teeth. Method: Single sitting Pulpectomy was performed on 60 mandibular first primary molars, divided into 3 groups, disinfected using mentioned modalities. Disinfection potential was compared collecting samples at 3 stages using paper points, cultured and incubated for 24hrs to check change in Colony Forming Units of the bacteria. Results: Data analysis with SPSS version 20 software using Kruskal-Wallis and Mann Whitney-U test. Conclusion: The three groups showed effective disinfection as revealed by the reduction in the colony forming units of the bacteria at baseline and after intervention. However, diode laser when used in conjunction with sodium hypochlorite as a disinfecting modality was found to be the most effective for the eradication of Enterococcus faecalis from infected root canals.

In vitroactivity of photoactivated disinfection using a diode laser in infected root canals

2014 ◽  
Vol 72 (8) ◽  
pp. 673-680 ◽  
Author(s):  
Ulrich Schiffner ◽  
Georg Cachovan ◽  
Jochen Bastian ◽  
Anton Sculean ◽  
Sigrun Eick
Keyword(s):  
Diode Laser ◽  
Root Canals ◽  
Infected Root

scholarly journals Efficacy of Endodontic Treatment on the Persistence of Selected Endodontic Pathogens and on Radiographical Periapical Healing

2015 ◽  
Vol 17 (2) ◽  
pp. 43
Author(s):  
Rodolfo Zeledón DDS, Esp ◽  
Carolina Ballestero DDS, Esp ◽  
Erick Hernández DDS. Esp ◽  
Tatiana Ramírez DDS, MSD ◽  
Marianela Benavides DDS, Esp ◽  
...  
Keyword(s):  
Positive Impact ◽  
Fusobacterium Nucleatum ◽  
Dental Students ◽  
Apical Periodontitis ◽  
Endodontic Treatment ◽  
Root Canals ◽  
Prevotella Nigrescens ◽  
Infected Root

The objective of this clinical study was to evaluate by polymerase chain reaction (PCR) the antimicrobial efficacy and the outcome of an endodontic protocol treatment (EPT) performed by under-graduated dental students on infected root canals associated with periapical lesions. Fifty-six patients attending for treatment of pulp necrosis and apical periodontitis were included. A specific EPT approach was performed and DNA extracts were taken at the baseline (S1), after a disinfection-neutralization procedure (S2), post-chemomechanical preparation (S3) and after Intracanal medication (S4) for the presence of specific bacteria. The outcome of the EPT was assessed radiographically using the Periapical Index-system (PAI) after 18-month follow-up. An intergroup evaluation shows that when comparing S1 to S3, S1 to S4, S2 to S3, and S2 to S4, the presence of bacteria were significantly reduced (P < 0.05). Finally, S4 was not significantly reduced when compared with S3 (P > 0.05). The most prevalent species in their respect order were Actinomyces Israelii > Enterococcus Faecalis > Fusobacterium Nucleatum/Prevotella Nigrescens > Phorphyromonas Endodontalis. After the 18-month follow-up, the overall success rate of root canal – treated teeth was of 88% (PAI 1 or 2). This In Vivo study demonstrated that EPT significantly reduced the number of cases with positive results for the studied bacteria, showing a profound positive impact in the outcome of endodontic treatment of teeth diagnosed with Pulp Necrosis and Apical Periodontitis. 

scholarly journals The Combination of Diode Laser and Ozonated Water in the Treatment of Complicated Pulp Gangrene

2020 ◽  
Vol 10 (12) ◽  
pp. 4203
Author(s):  
Cristian Levente Giuroiu ◽  
Sorin Andrian ◽  
Simona Stoleriu ◽  
Mihaela Scurtu ◽  
Oana Țănculescu ◽  
...  
Keyword(s):  
Correct Diagnosis ◽  
Complete Healing ◽  
Treatment Result ◽  
Periapical Lesion ◽  
Laser Technique ◽  
Root Canals ◽  
Infected Root ◽  
Periapical Periodontitis ◽  
Ozonated Water

The study aimed to investigate the effects of endodontic space decontamination using a laser combined with ozonated water in the therapy of complicated pulp gangrene. The subject of this in vivo study was a 12-year-old patient diagnosed with extensive periapical periodontitis on the mandibular right first molar. Biological samples were initially collected to identify the active pathogen—Enterococcus faecalis, then the nonsurgical endodontic treatment was performed in a single visit, according to the active disinfection guidelines of the identified pathogen. Two-month postoperative, clinical and radiological examination revealed a complete healing of the periapical lesion. The correct diagnosis of this endodontic–periodontal pathology, and the unconventional treatment of the complex system of infected root canals, allowed a favorable treatment result without any surgical intervention. This unconventional approach, which combines a laser technique with ozonated water, allows for predictable results in periapical lesion treatment.

The Effect of Diode Laser on PlanktonicEnterococcus faecalisin Infected Root Canals in anEx VivoModel

2017 ◽  
Vol 35 (4) ◽  
pp. 190-194 ◽  
Author(s):  
Gilda Cretella ◽  
Carlo Lajolo ◽  
Raffaella Castagnola ◽  
Francesco Somma ◽  
MariaTeresa Inchingolo ◽  
...  
Keyword(s):  
Diode Laser ◽  
Root Canals ◽  
Infected Root

scholarly journals Effectiveness of KTP laser versus 980 nm diode laser to killEnterococcus faecalisin biofilms developed in experimentally infected root canals

2014 ◽  
Vol 41 (1) ◽  
pp. 17-23 ◽  
Author(s):  
Umberto Romeo ◽  
Gaspare Palaia ◽  
Alessia Nardo ◽  
Gianluca Tenore ◽  
Vito Telesca ◽  
...  
Keyword(s):  
Diode Laser ◽  
Ktp Laser ◽  
Root Canals ◽  
Infected Root

scholarly journals Efficacy of diode laser and sonic agitation of Chlorhexidine and Silver-nanoparticles in infected root canals

2020 ◽  
Vol 23 (3) ◽  
Author(s):  
Latifa Mohamed Abdelgawad ◽  
Niven Asmail ◽  
Somia Abdel Latif ◽  
Ali Mohamed Safaan
Keyword(s):  
Silver Nanoparticles ◽  
Diode Laser ◽  
Laser Scanning ◽  
Laser Scanning Microscopy ◽  
Confocal Laser ◽  
Root Canals ◽  
Infected Root ◽  
Study Results ◽  
Significant Difference ◽  
Group 2

Objective: To assess the efficacy of agitation of chlorohexidine (CHX) and Silver nanoparticles “AgNps” with 810nm diode laser or sonic endoactivator compared to side –vented needle on infected root canals with Enterococcus “E” Faecalis biofilms. Material and Methods: Sixty-five extracted human premolars with single oval canals were instrumented by protaper system up to F3. Biofilms of E. faecalis were generated based on a previously established protocol. Two teeth were used to check the biofilm formation, then the remaining Teeth were randomly divided into three equal experimental groups according to agitation techniques used: group 1 (810 nm diode laser with 1 watt), group 2 (sonic endoactivator) and group 3 (Side vented needle). Each group was further divided into three equal subgroups according to the irrigant solution into; subgroup A: chlorohexidine, subgroup B: silver nanoparticles and subgroup C: distilled water: Confocal laser scanning microscopy “CLSM” was used to assess bacterial viability. Data were analyzed by appropriate statistical analyses with P = 0.05. Results: Regarding the activation method, all groups had a significantly high percentage of dead bacteria (P < 0.05). However, Laser was significantly the highest and Endoactivator the least (P < = 0.001). Diode laser agitation of AgNps irrigant showed the highest reduction percentage of bacteria (78.1%) with a significant difference with both CHX and water irrigation, Conclusion: Under the condition of the present study; results reinforced that laser activation is a useful adjunct, 810 nm diode laser agitation of AgNps or chlorhexidine was more effective in disinfection of oval root canals than endoactivator and side vented needle techniques.KeywordsDentinal infection; Silver-nanoparticles; chlorohexidine; agitation; Diode Laser; Sonic endoactivator. 

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