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Yoo YJ, Perinpanayagam H, Oh S, Kim AR, Han SH, Kum KY. Endodontic biofilms: contemporary and future treatment options. Restor Dent Endod 2019; 44:e7. [PMID: 30834229 PMCID: PMC6387897 DOI: 10.5395/rde.2019.44.e7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Accepted: 12/26/2018] [Indexed: 12/12/2022] Open
Abstract
Apical periodontitis is a biofilm-mediated infection. The biofilm protects bacteria from host defenses and increase their resistance to intracanal disinfecting protocols. Understanding the virulence of these endodontic microbiota within biofilm is essential for the development of novel therapeutic procedures for intracanal disinfection. Both the disruption of biofilms and the killing of their bacteria are necessary to effectively treat apical periodontitis. Accordingly, a review of endodontic biofilm types, antimicrobial resistance mechanisms, and current and future therapeutic procedures for endodontic biofilm is provided.
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Affiliation(s)
- Yeon-Jee Yoo
- Department of Conservative Dentistry, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
| | - Hiran Perinpanayagam
- Division of Restorative Dentistry, Schulich School of Medicine & Dentistry, University of Western Ontario, London, Canada
| | - Soram Oh
- Department of Conservative Dentistry, School of Dentistry, Kyung Hee University, Seoul, Korea
| | - A-Reum Kim
- Department of Oral Microbiology and Immunology, Dental Research Institute and BK21 Plus Program, School of Dentistry, Seoul National University, Seoul, Korea
| | - Seung-Hyun Han
- Department of Oral Microbiology and Immunology, Dental Research Institute and BK21 Plus Program, School of Dentistry, Seoul National University, Seoul, Korea
| | - Kee-Yeon Kum
- Department of Conservative Dentistry, Dental Research Institute, School of Dentistry, Seoul National University, Seoul, Korea
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Jyotsna SV, Raju RVC, Patil JP, Singh TV, Bhutani N, Kamishetty S, Ghatole K. Effect of Diode Laser on Bacteria Beyond the Apex in Relation to the Size of the Apical Preparation - An In-Vitro Study. J Clin Diagn Res 2016; 10:ZC63-5. [PMID: 27437362 DOI: 10.7860/jcdr/2016/17759.7791] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Accepted: 02/04/2016] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Microorganisms causing periapical infection are usually difficult to eradicate after conventional endodontic treatment or even in retreatment resulting in poor outcomes. So the purpose of the study was to assess whether disinfection of root canal with laser had any effect on bacteria in the periapex region. AIM The aim of the present study was to evaluate the effects of a diode laser when activated in root canals with varying apical diameters, on the bacteria present beyond the apex of the teeth. MATERIALS AND METHODS Total 30 intact single rooted teeth were taken and decoronated to standardize the root to a length of 12mm. They were divided into three groups depending on last file size used for instrumentation at apex i.e., size 30, 40 and 50 respectively. The samples were then mounted on test tubes such that roots of teeth were in contact with fresh broth of Escherichia coli (ATCC 25922) and left for incubation. Later a diode laser (Ezlase 940, Biolase) was used for disinfection of root canals of the samples. Following this the bacterial inoculums from each test tube were cultured and CFU were obtained from which the mean log values were obtained. Statistical analysis was done using Kruskal Wallis ANOVA test to compare mean CFU in three groups. Mann-Whitney U test with Bonferroni correction was used to compare inter-group differences. RESULTS There was statistically significant difference in mean log values of CFU in all the three study groups. Inter-group comparisons showed that, Group A had significantly lower mean CFUs than Group B and C respectively. CONCLUSION The study showed that intracanal irradiation with diode laser had an effect on the bacteria present beyond the apex, and it was influenced by the size of the apical preparation i.e., smaller apical size led to a greater reduction in the bacterial count.
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Affiliation(s)
- Sistla Venkata Jyotsna
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery , Vikarabad, India
| | - Raja Vatsavai Chakradhar Raju
- Professor and Head, Department of Conservative Dentistry and Endodontics, Sri Balaji Dental College , Moinabad, India
| | - Jaya Prakash Patil
- Professor and Head, Department of Conservative Dentistry and Endodontics, PMNM Dental College , Bagalkot, India
| | - Thakur Veerandar Singh
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery , Vikarabad, India
| | - Neha Bhutani
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery , Vikarabad, India
| | - Shekar Kamishetty
- Professor, Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery , Vikarabad, India
| | - Kiran Ghatole
- Senior Lecturer, Department of Conservative Dentistry and Endodontics, Sri Sai College of Dental Surgery , Vikarabad, India
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Tomazinho FSF, Sousa-Neto MD, Pécora JD, Lamon AW, Gonzalez BC, Silva-Sousa YTC. Use of a dissolved oxygen microsensor for assessing the viability and thickness of microbial biofilm on root surfaces. Int Endod J 2015; 48:469-77. [DOI: 10.1111/iej.12336] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 06/12/2014] [Indexed: 11/29/2022]
Affiliation(s)
- F. S. F. Tomazinho
- School of Dentistry; University of Ribeirão Preto; Ribeirão Preto SP Brazil
| | - M. D. Sousa-Neto
- School of Dentistry of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil
| | - J. D. Pécora
- School of Dentistry of Ribeirão Preto; University of São Paulo; Ribeirão Preto SP Brazil
| | - A. W. Lamon
- School of Engineering; University of São Paulo; São Carlos SP Brazil
| | - B. C. Gonzalez
- School of Engineering; University of São Paulo; São Carlos SP Brazil
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Figueiredo RA, Anami LC, Mello I, Carvalho EDS, Habitante SM, Raldi DP. Tooth Discoloration Induced by Endodontic Phenothiazine Dyes in Photodynamic Therapy. Photomed Laser Surg 2014; 32:458-62. [DOI: 10.1089/pho.2014.3722] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | - Lilian Costa Anami
- Department of Dental Materials and Prosthodontics, Institute of Science and Technology, UNESP – São Paulo State University, São Jose dos Campos, São Paulo, Brazil
| | - Isabel Mello
- Department of Restorative Dentistry, Division of Endodontology, University of Manitoba, Winnipeg, Manitoba, Canada
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Romeo U, Libotte F, Palaia G, Galanakis A, Gaimari G, Tenore G, Del Vecchio A, Polimeni A. Oral Soft Tissue Wound Healing After Laser Surgery With or Without a Pool of Amino Acids and Sodium Hyaluronate: A Randomized Clinical Study. Photomed Laser Surg 2014; 32:10-6. [DOI: 10.1089/pho.2013.3509] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Affiliation(s)
- Umberto Romeo
- Department of Oral Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Fabrizio Libotte
- Department of Oral Sciences, “Sapienza” University of Rome, Rome, Italy
| | - Gaspare Palaia
- Department of Oral Sciences, “Sapienza” University of Rome, Rome, Italy
| | | | | | - Gianluca Tenore
- Department of Oral Sciences, “Sapienza” University of Rome, Rome, Italy
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Sahar-Helft S, Slutzky-Goldberg I, Moshonov J, Stabholtz A, Jacobovitz M, Tam A, Steinberg D. Synergistic Effect of Er:YAG Laser Irradiation in Combination with Chlorhexidine on the Viability of Enterococcus faecalis: An In Vitro Study. Photomed Laser Surg 2011; 29:753-8. [DOI: 10.1089/pho.2010.2981] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Sharonit Sahar-Helft
- Dept of Endodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Iris Slutzky-Goldberg
- Dept of Endodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Joshua Moshonov
- Dept of Endodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Adam Stabholtz
- Dept of Endodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Marcos Jacobovitz
- Dept of Endodontics, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
- Biofilm Research Laboratory, Institute of Dental Sciences, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Avshalom Tam
- Biofilm Research Laboratory, Institute of Dental Sciences, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
| | - Doron Steinberg
- Biofilm Research Laboratory, Institute of Dental Sciences, Hebrew University Hadassah School of Dental Medicine, Jerusalem, Israel
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Romeo U, Libotte F, Palaia G, Del Vecchio A, Tenore G, Visca P, Nammour S, Polimeni A. Histological in vitro evaluation of the effects of Er:YAG laser on oral soft tissues. Lasers Med Sci 2011; 27:749-53. [DOI: 10.1007/s10103-011-0969-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2011] [Accepted: 07/08/2011] [Indexed: 12/01/2022]
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Marques AMC, Gerbi MEMM, dos Santos JN, Noia MP, Oliveira PC, Junior AB, Zanin FAA, Pinheiro ALB. Influence of the parameters of the Er:YAG laser on the apical sealing of apicectomized teeth. Lasers Med Sci 2010; 26:433-8. [DOI: 10.1007/s10103-010-0792-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2009] [Accepted: 04/26/2010] [Indexed: 11/30/2022]
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Estrela C, Sydney GB, Figueiredo JAP, Estrela CRDA. Antibacterial efficacy of intracanal medicaments on bacterial biofilm: a critical review. J Appl Oral Sci 2009; 17:1-7. [PMID: 19148398 PMCID: PMC4327605 DOI: 10.1590/s1678-77572009000100002] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2008] [Accepted: 05/27/2008] [Indexed: 11/21/2022] Open
Abstract
The purpose of this paper is to discuss critically the antibacterial efficacy of intracanal medicaments on bacterial biofilm. Longitudinal studies were evaluated by a systematic review of English-language articles retrieved from electronic biomedical journal databases (MEDLINE, EMBASE, CENTRAL) and handsearching records, using different matches of keywords for root canal biofilm, between 1966 and August 1st, 2007. The selected articles were identified from titles, abstracts and full-text articles by two independent reviewers, considering the tabulated inclusion and exclusion criteria. Disagreements were resolved by consensus. The search retrieved 91 related articles, of which 8.8% referred to in vivo studies demonstrating the lack of efficacy of endodontic therapy on bacterial biofilm. Intracanal medicaments were found to have a limited action against bacterial biofilm.
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Affiliation(s)
- Carlos Estrela
- Department of Oral Science, Federal University of Goiás, Goiânia, GO, Brazil.
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