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The necrotic pulp

As mentioned above, the damage to the flesh can lead to necrosis of tissues (Fig. 1.3). Necrotic pulp no defense against microbial invasion and allow microorganisms indigenous to the oral cavity to the pulp chamber, or open a direct impact or through uncovered dentinal tubules or cracks in the enamel and dentin. Side channels exposed as a result of progressive marginal periodontitis may also serve as a way for bacteria to get to the pulp. The specific conditions of the root canal is characterized by degrading pulp tissue and lack of oxygen, will contribute to the microbiota is dominated by proteolytic anaerobic bacteria. These microorganisms can be United in clusters and in the microbial communities attached to the walls of the root canal and within the dentinal tubules root.

In these positions microorganisms stay protected from the host defense mechanisms and, therefore, can multiply rapidly in large quantities. Microorganisms an attempt to invade in periodontal tissues with the help of the apical holes or any other portal exit from the root canal, and may do so to host defense is efficiently organized.

Once established, however, organisms, as a rule, are held back, but not excluded from the root canal space. Chronic inflammatory defeat comes, as a rule, around the top of the root, and remain so long as no treatment is initiated.

Periapical tissue reaction is often visible in an x-ray as a localized radiolucency because adjacent bone was resorbed within the inflammatory process. The condition may or may not be associated with pain, tooth pain and swelling varying degrees. Treatment of necrotic pulp-root canal treatment (RCTS) and is to combat intracanal infection. Channel cleared with the help of the uninstall files microbes and their growth substrate. Due to the complex anatomy root, tools cannot reach all parts of the canal system and, therefore, antimicrobial substances are added for disinfection channel. To avoid re-infection and prevent preserved from growing microbes, channel sealed root filling. ..

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