Titolo: An Invitro Sem Study of Ni-Ti Endodontic Files: Comparative Evaluation of Distortion of Hand Protaper, Rotary Profile and New Twisted Ni-Ti Files - An Invitro Sem Study
Editore: LAP LAMBERT Academic Publishing
Data di pubblicazione: 2014
Lingua: Inglese
ISBN 10: 3659518409
ISBN 13: 9783659518409
Rilegatura: Brossura
Condizione: New

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Riassunto

Despite advantages of NiTi instruments, fracture is the most common procedural error that occurs during clinical use. But various studies reveals that before undergoing fracture these NiTi files may also undergo some distortions after use in certain number of canals. These distortions can be in the form of unwinding of flutes, microcracks, pitting or surface wear. So, it is important to check the instruments for signs of wear and deformation every time it is used in order to avoid the complication of instrument separation. The aim of this study was to comparatively evaluate the distortion of three files - Hand Protaper, Rotary Profile and new Twisted Ni-Ti file using scanning electron microscope after invitro use.Within the experimental protocol of this study,it was found that Ni-Ti endodontic files should be used carefully and in the prescribed manner only and should be checked visually under magnification after every use and those found distorted should be discarded immediately.The new manufacturing processes of NiTi endodontic files also appeared to offer greater resistance to fracture over the traditional process.

L'autore

Dr.(Mrs)Swati Sharma has done Masters in dental surgery in Conservative dentistry and Endodontics from Aligarh Muslim University, India. She has also worked as a house surgeon in PGIMER, Chandigarh, India. She has several international and national publications. Presently she is working as Consultant Endodontist in Mumbai, India.

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