📍 Office # 102, 35th Commercial Street, DHA Phase 5, Karachi
⏰ Mon–Thu: 4:30–9pm | Sat: 1:30–5pm
Mastering complex retreats, separated instrument retrieval, ledge bypass, and canal transportation management under a high-power Dental Operating Microscope.
When standard root canal therapy fails or encounters iatrogenic complications (errors occurring during previous treatments), general dentists refer their patients to a Specialist Endodontist. As a highly trained FCPS Endodontist, Dr. Shahid Islam possesses the exact microsurgical skills required to correct these complex anatomical challenges and save the natural tooth.
Using a high-power Dental Operating Microscope and highly refined Ultrasonic Instruments, we treat cases involving severely calcified canals, dilacerated roots, and failed previous treatments.
A separated instrument (a broken file) inside a canal blocks access to the root apex, leading to persistent infection. Using microscopic visualization and specialized ultrasonic tips, we perform precise instrument retrieval or instrument bypass to completely clean the canal.
If a previous file deviated from the natural curve of the root, it creates a "ledge". We employ pre-curved micro-files and advanced tactile techniques for successful ledge bypass, restoring the true path to the apex.
When a canal has been excessively widened or transported, or if an accidental hole (perforation) was made in the root, the tooth is at high risk of extraction. We utilize bioceramic materials like MTA to expertly perform perforation repair and seal the defect internally.
In multi-rooted teeth with severe bone loss or damage between the roots (furcation involvement), we can perform a hemisection or root amputation, removing the damaged root while preserving the healthy portion of the tooth.
We meticulously remove old, failing gutta-percha, silver points, or hard paste fillings. We then thoroughly disinfect the missed anatomy or extra canals (such as MB2 in upper molars) that caused the initial failure.
Advanced endodontics cannot be performed blind. Success in file retrieval and perforation repair requires specific, specialized equipment:
During a root canal, the tiny metal files used to clean the root can occasionally break due to metal fatigue or severe root curvature. This is known as a separated instrument.
Yes. As a specialist, Dr. Shahid can perform instrument retrieval using a dental microscope and ultrasonics. If removal is too risky, the instrument can often be safely bypassed.
When a canal is improperly cleaned, a false wall or "ledge" is created. A ledge bypass is the delicate procedure of navigating around this artificial wall to reach the true apex of the root.
Yes, we accept patient referrals from general dentists across Karachi for complex retreats, calcified canals, and separated instrument retrieval.
Do not extract the tooth. Book a consultation with a specialist endodontist today.
Consult Dr. Shahid