Heat-treated Ni-Ti Rotary Instruments Influencing the Success of Endodontic Treatments (original) (raw)

2020, World Journal of Dentistry

Dental pulp could be compromised by mechanical, thermal, or chemical damages developed while performing restoration or by pathogenic bacteria that reach the pulpal tissues,1 penetrating from extensive primary decay, from a secondary decay that developed underneath a previous restoration, and for many other causes. When the health of dental pulp is compromised, and no longer recoverable, it is necessary to practice root canal therapy before proceeding with any kind of rehabilitation which could be conservative or prosthetic. However, function, esthetic, and comfort can be achieved by eliminating or significantly reducing pathogenic bacteria, starting from a correct root canal instrumentation and irrigation, and preventing recontamination by a complete sealing of the canal system which could be guaranteed by effective isolation from oral cavity obtained by a congruous restauration.2 A significant contribution to the reduction of pathogenic bacteria from the main canals of a contaminat...

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