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Dr. Ahmed Al Asadi

Dr. Ahmed Al Asadi

Braiha Specialized Dental Clinics

Dr. Ahmed H. Al-Asadi is a specialist in microscopic endodontics with over 10 years of experience in clinical practice, education, and leadership. He is the Founder and CEO of Braiha Specialized Dental Clinics in Basrah, Iraq, and serves as a Key Opinion Leader and official speaker for leading international dental companies. Dr. Al-Asadi is also a passionate educator, actively involved in national and international dental training programs and conferences.

Iraq

Abstracts

2025

Root canal blockers

Root canal blockers represent a diverse set of physical and biological obstructions that can significantly challenge the success of endodontic therapy. These include anatomical and iatrogenic barriers such as separated instruments, calcified canals, ledges, and complex tissue remnants like collagen plugs or pulp stones. Additionally, the presence of organic and inorganic debris—commonly referred to as "mud"—can obscure canal pathways and compromise disinfection and obturation. Effective management of these blockers is critical for ensuring canal patency, thorough debridement, and successful sealing. This abstract reviews the etiology, classification, and clinical implications of root canal blockers, as well as current strategies for their identification and removal, including advances in imaging, ultrasonic instrumentation, and chelation techniques. Understanding and overcoming these barriers are essential for improving the prognosis of endodontically treated teeth.