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Objective: The aim of this study was to evaluate the effectiveness of dual wavelengths 980/810 nm InGaAs diode laser as disinfectant aid during pulpectomy in deciduous teeth. Background:successful pulpectomy mandate eradication of microorganisms in root canal of deciduous teeth. A well-known fact that mechanical cleansing of the canals cannot ensure optimal sterilized environment. Thus, the need of finding suitable aids to perform disinfection to canal system to enhance successful rates of pulpectomy. The availability of diode laser devices in many clinics, the specific characteristics of laser beam and the high energycontinents of diode laser has been proposed laser application as an aid in endodontic therapy for disinfect and clean the root canal syste. Results: dual wavelength diode laser was able to disinfect of 88% of the sample in comparing to only 48% in conventional treatment protocol.
Conclusion:dual wavelengths 980/810 nm InGaAs diode laser with 800mW output power in chopped mode 25 ms on followed by 75 ms can be suitable aid to disinfect root canal system in deciduous teeth.