COMPARISON OF ANTIMICROBIAL EFFICACY OF DIODE LASER AND PHOTO ACTIVATED DISINFECTION (PAD) IN E.FAECALIS CONTAMINATED ROOT CANALS

S Bindu, N Shubhashini, I B Geeta

Abstract


Aim: To compare the antimicrobial efficacy of Diode laser and Photo Activated Disinfection(PAD) against E.faecalis.
Methodology: Thirty extracted premolars were instrumented upto Protaper rotary file size F2 and contaminated with a known species of E.faecalis
.The samples were Group 1:PAD and Saline; Group 2:Diode laser and Saline; Group 3: NaOCl and PAD; Group 4:NaOCl and Diode laser; Group 5:
Positive control. The samples were incubated in 37◦C for 48 h in BHI agar and colony forming units were counted.
Statistical analysis: Descriptive analysis for CFUs as Mean & SD. Kruskal Wallis Test & Mann whitney Post hoc Analysis for comparison between
groups.
Results: Diode laser with NaOCl and PAD with NaOCl showed similar reduction in the growth of E.faecalis (P ≤0.001).
Conclusions: A combination of NaOCl irrigant activated with Diode or PAD showed similar outcome. PAD can be considered as an alternative to
Diode Laser for root canal disinfection.


Keywords


Diode Laser, Photoactivated disinfection, E.faecalis, Root canal therapy

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