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Case report presents an accidental dislodged endodontic instrument in a maxillary sinus, suggesting need for timely removal to prevent complications.
Root canal therapy consists of a cascade of scientifically-based technical procedures. Failure to follow the standard protocols and lack of knowledge can lead to a number of iatrogenic accidents which are collectively called "endodontic mishaps". One of the most frequently encountered endodontic mishap is a separation of the endodontic instrument. Heroic attempts to remove separated instrument may lead to dislodgment of instrument in the periapical area. At times such instrument get dislodged in the maxillary sinus when treating upper maxillary molars and canines. Separated instrument in maxillary sinus, irrespective of their origin or nature, act as foreign body and Such objects should normally be removed at the earliest in order to minimize the likelihood of maxillary sinus complications. Studies have shown that some of the objects can cause chronic sinusitis because of the invasion of the sinus by highly virulent bacteria, while some remains asymptomatic. It is an uncommon finding to observe, an asymptomatic dental endodontic instrument in a position so close to the maxillary sinus without any oro-antral fistula formation and/or sinusitis attacks. This paper presents the case of a separated endodontic instrument which was pushed inadvertently in the maxillary sinus of a 41-year-old female patient.
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Agrawal et al. (2020) studied this question.
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