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180px xray wsr retro ausgangszustand.gif
X-Ray of a tooth after root end surgery
ICD-9-CM 23.7
MeSH D001047

A root end surgery, also known as apicoectomy (apico- + -ectomy), root resection, retrograde root canal treatment (c.f. orthograde root canal treatment) or root-end filling, is an endodontic surgical procedure whereby a tooth's root tip is removed and a root end cavity is prepared and filled with a biocompatible material.

Microsurgical endodontics - dental surgery using a microscope - may be performed.

This is usually necessitated when a conventional root canal therapy had failed and a re-treatment was already unsuccessful or is not advised.[1] State-of-the-art procedures make use of microsurgical techniques, such as a dental operating microscope, micro instruments, ultrasonic preparation tips and calcium-silicate based filling materials.

Removal of the root tip is indicated to remove the entire apical delta ensuring no uncleaned missed anatomy.

In other cases of endodontic treatment failure, a referral to a periodontist or an oral and maxillofacial surgeon for replacement of the tooth with a dental implant may be indicated.


  1. ^ "Endodontic Microsurgery". Compendium of Continuing Education in Dentistry (Aegis Communications). June 2007. ISSN 1548-8578. 

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