Universidad San Francisco de Quito, Ecuador
Posters & Accepted Abstracts: Oral Health Dent Manag
During the evolution of mechanical instrumentation in endodontics, decreasing procedure times and procedural errors have been two of the main objectives pursued by different manufacturers and endodontics practitioners. The introduction of nickel titanium alloy in endodontics in the early nineties significantly broadened the options available to the practitioner with the appearance of different crossed section and larger taper rotary NiTi files. Recently, as an evolution of balanced force technique, singlefile reciprocating systems using M-Wire technology, such as Reciproc Blue (VDW,Munich) and WaveOne Gold (Dentsply Tulsa) have been introduced aiming to decrease even more the times of instrumentation and increasing cyclic fatigue resistance. Despite the less time-consuming endodontic mechanical techniques in shaping curved root canal, the practitioner cannot lose sight of the major purpose during root canal therapy which is reducing the number of intracanal microorganisms. Chemical processing implies root canal irrigation by various antimicrobial means, which enables the removal of bacteria, necrotic pulp tissue, and smear layer through the anatomy of the root canal system including accessory canals and apical deltas. Irrigation efficiency depends on the possibility of proper application of irrigation systems such as passive ultrasonic irrigation, application depth, irrigation dynamics, irrigant quantity, irrigant fluid characteristics and above all, the working time of the endodontic procedure so that the irrigant results in a reduction above 90% of the intracanal endotoxin contents. In conclusion, the entire odontologists with endodontic practice cannot fall under the influence of marketing, which makes us believe that a successful endodontic treatment can be achieved in a few minutes.
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