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2015 ; 6
(4
): 139-50
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Clinical Approach of High Technology Techniques for Control and Elimination of
Endodontic Microbiota
#MMPMID26705458
Chiniforush N
; Pourhajibagher M
; Shahabi S
; Bahador A
J Lasers Med Sci
2015[Fal]; 6
(4
): 139-50
PMID26705458
show ga
The main goal in endodontic treatment is to eradicate or at least reduce
intraradicular microbial population to levels that are more compatible with
periapical lesions healing process. Since endodontic infections are polymicrobial
in nature, intraradicular survival of endodontic microbiota and their pathogenic
properties are influenced by a combination of their virulence factors. The
purpose of this article is to review the endodontic microbiota and their
respective virulence attributes, as well as perform a literature review of the
effects of disinfection procedures in the treatment of endodontic infections to
gain best practices. Conventional technique for root canal preparation includes
mechanical debridement and application of antimicrobial irrigants. Recently,
laser irradiation has been used to enhance the results of root canal treatment
through its thermal effect. To reduce thermal side effects, laser activated
irrigation (LAI) and photon induced photoacoustic streaming (PIPS) were
introduced. Antimicrobial photodynamic therapy (aPDT) by photochemical reaction
uses light at a specific wavelength to activate a nontoxic photosensitizer (PS)
in the presence of oxygen to produce cytotoxic products. Different PSs are used
in dentistry including methylene blue (MB), toluidine blue O (TBO), indocyanine
green (ICG) and curcumin. Among different options, ICG could be the best choice
due to its peak absorption at wavelength of 808 nm, which coincides with the
commercial diode laser devices. Also, this wavelength has more penetration depth
compared to other wavelengths used in aPDT.