IP Indian Journal of Conservative and Endodontics 2021;6(1):3–6 Content available at: https://www.ipinnovative.com/open-access-journals IP Indian Journal of Conservative and Endodontics Journal homepage: https://www.ipinnovative.com/journals/IJCE Review Article Literature review on procedural endodontic errors Zeeshan Heera Ahmad 1, *, Syed Saqhib Suhail 2 , Gajendra Singh 3 , Faizan Masarat Jan 3 , Vishwanath Kumar 4 , Syed Tousif Ulla 5 1 Dept. of Restorative Dentistry, College of Dentistry, King Saud Iniversity Medical City, Riyadh, Saudi Arabia 2 Private Clinician, Bangalore, Karnataka, India 3 Kalka Dental College and Hospital, Meerut, Uttar Pradesh, India 4 Darshan Dental College and Hospital, Udaipur, Rajasthan, India 5 Dept. of Orthodontics, Kalka Dental College and Hospital, Meerut, Uttar Pradesh, India ARTICLE INFO Article history: Received 14-02-2021 Accepted 03-03-2021 Available online 16-03-2021 Keywords: Missed canals Perforation Emphysema Pain ABSTRACT Lack of knowledge or its poor application in clinicals can lead to a number of accidental errors during the root canal therapy. The preventive measures and management of these mishaps is must for the success of the endodontic therapy and to maintain the natural integrity of the teeth. Thus, in this paper we are going to discuss about the different types of endodontic procedural mishaps with their management briefly. © This is an open access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 1. Introduction Endodontics is the branch to maintain the natural integrity of the teeth by removing the microbial flora & cleaning of the root canals either by surgically or non-surgical root canal treatment followed by the restoration of the teeth. In other words, we can say that purpose of the endodontic treatment is to restore the health of pulp and peri-radicular tissues. As like in other medical or dental procedures, the complications may occur during the root canal or endodontic procedure. Thus, endodontic mishaps are the unfortunate accidental error occurs during the endodontic therapy iatrogenicaly or due to lack of knowledge. 1.1. Classification of endodontic mishaps The procedural errors in the endodontic are classified as: * Corresponding author. E-mail address: zeeshanheeraahmad@gmail.com (Z. H. Ahmad). 1. Related to access opening of the pulp space : These includes. 1 • Treating the wrong tooth • Missed canals • Damage to existing restoration • Access cavity perforations • Crown fractures 2. Related to canal shaping and cleaning : The common procedural errors encountered during cleaning and shaping are as follows. 2 • Ledge formation & canal blockage • Cervical canal perforations • Deviation from normal canal anatomy • Separated instruments • Obstruction by previous obturating materials 3. Related to obturation : These are accidental mishaps that occur during the obturation of the canal, these are sub-classified as follows. 3 • Over- or underextended root canal fillings • Nerve paresthesia https://doi.org/10.18231/j.ijce.2021.002 2581-9534/© 2021 Innovative Publication, All rights reserved. 3