نتایج جستجو برای: hand k
تعداد نتایج: 623922 فیلتر نتایج به سال:
abstract:assume that y is a banach space such that r(y ) ? 2, where r(.) is garc?a-falset’s coefficient. and x is a banach space which can be continuously embedded in y . we prove that x can be renormed to satisfy the weak fixed point property (w-fpp). on the other hand, assume that k is a scattered compact topological space such that k(!) = ? ; and c(k) is the space of all real continuous ...
normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 background : distraction osteogenesis is an established option for reconstruction of amputated fingers. in contrast to the primary method of distraction osteogenesis, using kirschner wire (k-wire) as an internal fixator is not common today. this study was conducted to evaluate distraction osteogenesis with and without k-wi...
n: The most important aims of root canal preparation are the removal of vital emaining necrotic debris and infected dentin, eliminating the bulk of bacteria root canal system. The aim of this study was to compare the cleaning efficacy of files and rotary RaCe and K3 instruments in root canal preparation. and Methods: A total of 60 single rooted teeth with maximum curvature of cted and divided i...
introduction: the preparation of the root canal space includes debridement, shaping and apical preparation. these procedures are challenging and constitute. the recent introduction of automated techniques for canal preparation has created considerable interest. the aim of this study was to test shaping ability of one hand instrumentation (passive step-back technique) and new rotary niti system ...
introduction: this study was carried out to compare the capability of k-files with mtwo rotary file in terms of negotiation as well as depth of penetration in second mesiobuccal (mb2) canal of maxillary first molar. materials and methods: a total of 32 mb2 canal of maxillary first molars having different root curvatures (not more than 30 degree) and root lengths were selected and then detected ...
objectives: pain is an unpleasant outcome of endodontic treatment that can be unbearable to patients. instrumentation techniques may affect the frequency and intensity of post-endodontic pain. this study aimed to compare single visit post endodontic pain using mtwo (niti) rotary and hand k-file instruments. materials and methods: in this randomized controlled trial, 60 teeth with symptomatic ir...
introduction: pulpectomy of primary teeth is commonly carried out with hand files and broaches; a tricky and time consuming procedure. the purpose of this in vitro study was to compare the cleaning efficacy and time taken for instrumentation of deciduous molars using hand k-files and flex master rotary system. materials and methods: in this study, 68 canals of 23 extracted primary molars with a...
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