نتایج جستجو برای: root canal therapy
تعداد نتایج: 811019 فیلتر نتایج به سال:
BACKGROUND AND AIMS Trauma is one of the major factors associated with temporomandibular joint disorders (TMD). These disorders result from macro-trauma or micro-trauma. Macro-trauma might be iatrogenic; for example, from intuba-tion procedures, third molar extraction procedures, and lengthy dental appointments. The aim of this study was to evaluate the effect of lengthy root canal therapy (mor...
iatrogenic perforation of the furcation area in multi-rooted molars during preparation of the access cavity can potentially lead to tooth extraction. the present case report describes the nonsurgical endodontic management of an extensive pulp chamber floor perforation in a first mandibular molar with calcium enriched mixture (cem) cement. the perforation was chemically cleaned and then physical...
introduction : to evaluate the clinical and radiographic outcomes of pulpotomy treatment with mineral trioxide aggregate (mta) in symptomatic mature permanent teeth with carious exposure. materials and methods: ten patients aged 27-54 years presented with 11 symptomatic permanent teeth ( n =11). each offending carious tooth was clinically and radiographically determined. we removed caries as co...
Eradication of microbes from root canals and impeding of further reinfection is the basic support of endodontic treatment. This is achieved by overall disinfection and shaping of canals which can then be filled using a three-dimensional filling with a fluid-tight seal. To achieve these goals, the clinician must have integral knowledge of regular anatomy and anatomic variants of root canals. One...
Background and Aims: Estimating the canal length is essential for reaching to a proper endodontic treatment. Any error and miscalculation in estimation of the working length, especially in curved canals, can result in complication during and after root canal therapy. The introduction of digital radiography has enabled us to measure curved canal length. The purpose of this study was to evaluat...
AIM To introduce the concept of variable taper instruments for predictable and ergonomic root canal preparation, and demonstrate the design features of Greater Taper files. SUMMARY Optimal root canal shaping is difficult to practice and teach with traditional instruments. Instrument sequences are complex, with up to 18 instruments and 63 procedural stages, providing almost limitless scope for...
Introduction: One of the most important steps in root canal therapy is removal of microorganisms presented in the root canal by means of cleaning and shaping with a variety of manual and rotary instruments. The aim of this study was to compare the amount of dentinal debris remained in canal after application of two nickel titanium rotary files(Flexmaster, Twisted) with stereomicroscope. Method...
Accurate diagnosis of the root canal morphology and anatomy is essential for thorough shaping and cleaning of the entire root canal system and consequent successful treatment. This report describes a case of maxillary second premolar with two roots and three root canals (two mesial and distal palatal canals). The case report underlines the importance of complete knowledge about root canal morph...
introduction: disinfection and subsequent obturation of the root canal space require adequate mechanical enlargement of the canals. the purpose of this in vitro study was to compare the shaping ability of mtwo, race and medin rotary instruments during the preparation of curved root canals. materials and methods: sixty mesiobuccal root canals of mandibular molars with severe curvatures between 2...
the technique described below offers temporary crown for the severely damaged vital anterior teeth without resorting to emergency root canal therapy or pin.
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