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Microleakage and Size of Root Canal Preparation in Endodontics
By Maryam Kazemipoor DDS MSc and Mehdi Tabrizizadeh DDS MSc
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Publisher:  Lambert Academic Publishing
Edition:  1st
Published:  December 22, 2013
Binding:  Paperback
Pages:  68
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Product Description:
Endodontic treatment is directed toward the prevention or curing apical periodontitis. Since the main etiology of apical periodontitis is bacterial infection, the primary goals of root canal therapy are to eliminate microorganisms from the root canal system and to prevent reinfection via micro leakage. Bacterial elimination is accomplished through chemo-mechanical preparation. Although microbiological studies have shown that larger apical preparation sizes may lead to a greater reduction in remaining bacteria, but there are two concerns in this regard: the impact of final canal shape and size on root strength and the impact of apical enlargement on the outcome of endodontic treatment. There is a reverse relationship between the size of root canal preparation and the two aforementioned factors. In the present study, we evaluated the effect of canal size, both coronally and apically on the amounts of micro-leakage using a new quantitative method: glucose penetration. Since leakage occurs through two surface areas, increasing the surface area may lead to an increase in micro-leakage.

Author Information

Maryam Kazemipoor is an Assistant Professor, Department of Endodontics, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. She obtained her D.D.s degree in dentistry and her M.Sc. degree in Endodontics. She has done researches about the impact of root canal preparation size and taper on the microleakage and treatment outcome in endodontics.

Mehdi Tabrizizadeh is an Assistant Professor. Department of Endodontics, School of Dentistry, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.

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