اسپریدر اندو Dental Spreader DeLab
Obturation of the root canal system represents the final phase of the root canal treatment process. The assessment and evaluation of root canal treatment is solely based on the appearance and placement of the obturation material. Obturation is a direct reflection of the efforts taken by the clinician during the biomechanical shaping and disinfection process. If the prior steps are not addressed appropriately, the outcome will always be questionable. The purpose of obturation is to prevent the reinfection of a root canal system that has been properly shaped, cleaned and disinfected. Successful obturation requires the use of materials and techniques capable of densely filling the entire root canal system from the apical terminus of the canal to the cavo-surface margin
There are three main objectives for creating a seal in the root canal space:
- To prevent outward movement of bacteria or bacterial toxins from the canal space to the surrounding periapical tissues.
- To prevent the inward movement of tissue fluid from the periapical tissues into the canal space.
- To entomb residual bacteria that may have survived the treatment process.
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