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Updated: Jun 16, 2026

Whole-body Mass Spectrometry Imaging by Infrared Matrix-assisted Laser Desorption Electrospray Ionization (IR-MALDESI)
Published on: March 24, 2016
Retrieval of a separated instrument using Masserann technique
Arun Kulandaivelu Thirumalai1, Mahalaxmi Sekar, Sumitha Mylswamy
1Department of Conservative Dentistry and Endodontics, SRM Dental College, Chennai, India.
Abstract:
The fracture of endodontic instruments is a procedural problem creating a major obstacle to normal routine therapy. The separated instrument, particularly a broken file, leads to metallic obstruction in the root canal and impedes efficient cleaning and shaping. When an attempt to bypass such a fragment becomes difficult, it should be retrieved by mechanical devices. Masserann kit is one such device for orthograde removal of intracanal metallic obstructions. These clinical cases demonstrate the usage of Masserann technique in removal of separated instruments in anterior and also the posterior teeth.
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