Morphologic changes correlating to different sensitivities of Escherichia coli and Enterococcus faecalis to Nd:YAG laser irradiation through dentin

Lasers in Surgery and Medicine

Volumn 26, Issue 3, 2000, Pages 250-261

  Moritz, A ^a   Jakolitsch, S ^a   Goharkhay, K ^a   Schoop, U ^a   Kluger, W ^a   Mallinger, R ^a   Sperr, W ^a   Georgopoulos, A ^b  

^a UNIVERSITY OF VIENNA   (Austria)

^b UNIVERSITY OF VIENNA   (Austria)

Author keywords

Bacteria; Cell damage; Disinfection; Endodontics; Microbial colonization; Scanning electron microscopy; Teeth

Indexed keywords

ANTIBACTERIAL ACTIVITY; ARTICLE; CELL STRUCTURE; CONTROLLED STUDY; DENTIN; DENTISTRY; ENTEROCOCCUS FAECALIS; ESCHERICHIA COLI; NEODYMIUM LASER; PHOTOSENSITIVITY; PRIORITY JOURNAL; TEMPERATURE;

COLONY COUNT, MICROBIAL; DENTIN; DISINFECTION; DOSE-RESPONSE RELATIONSHIP, RADIATION; ENTEROCOCCUS FAECALIS; ESCHERICHIA COLI; HUMANS; LASERS; MICROSCOPY, ELECTRON, SCANNING;

EID: 0034069663     PISSN: 01968092     EISSN: None     Source Type: Journal    
DOI: 10.1002/(SICI)1096-9101(2000)26:3<250::AID-LSM2>3.0.CO;2-H     Document Type: Article

References (43)

1. Shovelton DS. The presence and distribution of microorganisms within non-vital teeth. Br Dent J 1964;117:101-107.
2. Oguntebi BR. Dentine tubule infection and endodontic therapy implications. Int Endod J 1994;27:218-222.
3. Nair PN, Sjogren U, Krey G, Kahnberg KE, Sundqvist G. Intraradicular bacteria and fungi in root-filled, asymptomatic human teeth with therapy-resistant periapical lesions: a long-term light and electron microscopic follow-up study. J Endod 1990;16:580-588.
4. Sundqvist G. Taxonomy, ecology and pathogenicity of the root canal flora. Oral Surg Oral Med Oral Pathol 1994;78:522-530.
5. Tsatsas B, Tzamouranis A, Mitsis F. A bacteriological examination of root canals before filling. J Br Endod Soc 1974;7:78-80.
6. Abbott PV. Recognition and prevention of failures in clinical dentistry. Endodontics.Ann R Australas Coll Dent Surg 1991;11:150-166.
7. Lin LM, Skribner JE, Gaengler P. Factors associated with endodontic treatment failures. J Endod 1992;18:625-627.
8. Jones DS, German SP, Mc Cafferty DF, Woolfson AD. The effects of three non-antibiotic, antimicrobial agents on the surface hydrophobicity of certain micro-organisms evaluated by different methods. J Appl Bacteriol 1991;71:218-227.
9. Martin H. Cleanliness, disinfection, and sterilization of the root canal. Curr Opin Dent 1991;1:734-736.
10. Shih M, Marshall FJ, Rose S. The bactericidal efficiency of sodium hypochlorite as an endodontic irrigant. Oral Surg 1970;29:613.
11. Vahdaty A, Pitt Ford TR, Wilson RF. Efficacy of chlorhexidine in disinfecting dentinal tubules in vitro. Endod Dent Traumatol 1993;9:293-298.
12. Berutti E, Marini R, Angeretti A. Penetration ability of different irrigants into dentinal tubules. J Endod 1997;23:725-727.
13. Perez F, Calas P, de Falguerolles A, Maurette A. Migration of a Streptococcus sanguis strain through the root dentinal tubules. J Endod 1993;19:297-301.
14. Kouchi Y, Ninimiya J, Yasuda H, Fukui K, Moriyama T, Okamoto H. Location of Streptococcusmutans in the dentinal tubules of open infected root canals. J Dent Res 1980;59:2038-2046.
15. Gutknecht N, Moritz A, Conrads G, Sievert T, Lampert F. Bactericidal effect of the Nd:YAG laser in vitro root canals. J Clin Laser Med Surg 1996;14:77-80.
16. Moritz A, Doertbudak O, Gutknecht N, Goharkhay K, Schoop U, Sperr W. Nd:YAG laser irradiation of infected root canals in combination with microbiological examinations. J Am Dent Assoc 1997;128:1525-1530.
17. Ramskold LO, Fong CD, Stromberg T. Thermal effects and antibacterial properties of energy levels required to sterilize stained root canals with an Nd:YAG laser. J Endod 1997;23:96-100.
18. Klinke T, Klimm W, Gutknecht N. Antibacterial effects of Nd:YAG laser irradiation within root canal dentine. J Clin Laser Med Surg 1997;15:29-31.
19. Bowden GH, Hamilton IR. Survival of oral bacteria. Crit Rev Oral Biol Med 1998;9:54-85.
20. Goldberg S, Cardash H, Browning H, Sahly L. Isolation of Enterobacteriaceae from the mouth and potential association with malodor. J Dent Res 1997;76:1770-1775.
21. Henderson B, Wilson M. Commensal communism and the oral cavity. J Dent Res 1998;77:1674-1683.
22. Molander A, Reit C, Dahlen G, Kvist T. Microbiological status of root-filled teeth with apical periodontitis. Int Endod J 1998;31:1-7.
23. Siren EK, Haapasalo MP, Ranta K, Salmi P, Kerosuo EN. Microbiological findings and clinical treatment procedures in endodontic cases selected for microbiological investigation. Int Endod J 1997;30:91-95.
24. Sundqvist G. Microbiologic analysis of teeth with failed endodontic treatment and the outcome of conservative re-treatment. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 1998;85:86-93.
25. Siqueira JF Jr, de Uzeda M. Disinfection by calcium hydroxide pastes of dentinal tubules infected with two obligate and one facultative anaerobic bacteria. J Endod 1996;22:674-676.
26. Kearns AM, Freeman R, Lightfoot NF. Nosocomial enterococci: resistance to heat and sodium hypochlorite. J Hosp Infect 1995;30:193-199.
27. Gray JW, Pedler SJ. Antibiotic-resistant enterococci. J Hosp Infect 1992;21:1-14.
28. Leclercq R. Entrococci require new kinds of resistance. Clin Infect Dis 1997;24(Suppl 1):S80-S84.
29. Huycke MM, Sahm DF, Gilmore MS. Multiple-drug resistant enterococci: the nature of the problem and an agenda for the future. Emerg Infect Dis 1998;4:239-249.
30. Brunk U, Collins VP, Arro E. The fixation, dehydration, drying and coating of cultured cells of SEM. J Microsc 1981;123(Pt2):121-131.
31. Fromme HG, Pffautsch M, Pfefferkorn G, Bystrycky V. Critical point drying: a preparation method for scanning electron microscopy. Microsc Acta 1972;73:29-37.
32. Hardee MW, Miserendino L, Kos W. Evaluation of the antibacterial effects of intracanal Nd:YAG laser irradiation. Presented at the 47th Annual Session American Association of Endodontics, Las Vegas, Nevada, 1990.
33. Moritz A, Gutknecht N, Schoop U, Goharkhay K, Doertbudak O, Sperr W. Irradiation of infected root canals with a diode laser in vivo: results of microbiological examinations. Lasers Surg Med 1997;21:221-226.
34. De Petris S. Ultrastructure of the cell wall of Escherichia coli and chemical nature of its constituent layers. J Ultrastruct Res 1967;19:45-83.
35. Leduc M, Ishidate K, Shakibai N, Rothfield L. Interactions of Escherichia coli membrane lipoproteins with the murein sacculus. J Bacteriol 1992;174:7982-7988.
36. Suzuki H, Nishimura Y, Yasuda S, Nishimura A, Yamada M, Hirota Y. Murein-lipoprotein of Escherichia coli: a protein involved in the stabilization of bacterial cell envelope. Mol Gen Genet 1978;167:1-9.
37. Jawetz E, Melnick, Adelbergs. Medical microbiology. 21st ed. Chapter 14. Stamford, Connecticut: Appleton & Lange; 1998.
38. Scheie P, Ehrenspeck S. Large surface blebs on Escherichia coli heated to inactivating temperatures. J Bacteriol 1973;114:814-818.
39. Kitchener BJ, Egan AF. Outer-membrane damage in sublethally heated Escherichia coli K-12. Can J Microbiol 1977;23:311-318.
40. Katsuij N, Tsuchido T, Hiramatsuj R, Fujikawa S, Takano M, Shibasaki I. Heat-induced Webbing and vesiculation of the outer membrane of E. coli. J Bacteriol 1982;151:1523-1531.
41. Yem DW, Wu HC. Physiological characterization of an Escherichia coli mutant altered in the structure of murein lipoprotein. J Bacteriol 1978;133:1419-1426.
42. Hirota Y, Suzuki H, Nishimura Y, Yasuda S. On the process of cellular division in Escherichia coli: a mutant of E. coli lacking a murein lipoprotein. Proc Natl Acad Sci USA 1977;74:1417-1420.
43. Jung H. A generalized concept for cell killing by heat. Radiat Res 1986;106:56-72.