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Endoscopic dacryocystorhinostomy (DCR) is usually done in cases of lacrimal apparatus obstruction. The common causes of failure are that of obstruction in the common canaliculus and closure of the rhinostomy site. To overcome these problems we use stents. Stents most commonly used are that of silicon which are expensive and not readily available. As an alternative, polypropylene (Prolene; Ethicon)...
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