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Alipour A K. Irrigation of dental canals and investigation of resistant bacteria in causing dental infections. KJMS 2025; 9 (18) :12-20
URL: http://kjms.knu.edu.af/article-1-44-en.html

Dental canals, as vital and complex structures within teeth, play a crucial role in maintaining oral and dental health. These canals, which contain pulp, blood vessels, and nerves, provide a unique and sensitive environment that is highly susceptible to bacterial infections. Root canal infections are typically caused by the penetration of bacteria into these structures, which can lead to serious issues such as pulp inflammation, necrosis, and even tooth loss. Studies have shown that more than 50 species of bacteria can inhabit an infected root canal, which highlights the significant challenges associated with treatment. One of the most effective measures in root canal treatment is the process of irrigation, which plays a key role in removing microorganisms and organic debris. The choice of irrigant (such as sodium hypochlorite or chlorhexidine), the techniques employed, and modern tools for irrigation have a significant impact on the success of treatment. However, resistant bacterial biofilms that form deep within the root canal system can cause persistent and complex infections. These biofilms, due to their protective structure, exhibit high resistance to disinfectants. Therefore, the development and application of advanced and effective methods for irrigating and disinfecting dental canals are of paramount importance. Utilizing new technologies, combined with a deeper understanding of microbial behavior, can enhance treatment outcomes and reduce recurrent infections, ultimately contributing to improved oral and dental health.