نتایج جستجو برای: apical size
تعداد نتایج: 584306 فیلتر نتایج به سال:
purpose: the aim of this study was to compare the effects of a) a flame heated endo plugger, b) gatesglidden drills and c) gpx drills on the apical seal for the purpose of post space preparation. materials & methods: the crowns of sixty six extracted maxillary central teeth were removed from cej by a diamond disc and the root canals were prepared and obturated with guttapercha and sealer (ah26)...
statement of problem: when a tooth is treated endodontically, there are several objectives, which must be met for the root canal therapy to be successful. one of those objectives is the complete obturation of the root canal system. purpose: the purpose of this study was to evaluate the apical sealability of the theramfil endodontic obturation technique and compared it with lateral condensation....
Side orientation of cells is usually ambiguous in unicellular organisms, making it impossible to separate components of directional asymmetry (DA) and fluctuating asymmetry (FA). However, frustules of the diatom Luticola poulickovae have biradially symmetric outlines, and their central areas bear ornamentation that is asymmetric across the apical axis. The goal of this study was to explore diff...
Mutations in several genes encoding centrosomal proteins dramatically decrease the size of the human brain. We show that Aspm (abnormal spindle-like, microcephaly-associated) and Wdr62 (WD repeat-containing protein 62) interact genetically to control brain size, with mice lacking Wdr62, Aspm, or both showing gene dose-related centriole duplication defects that parallel the severity of the micro...
Comparison of apical transport in three rotary systems and one modified technique Dr. A.R. Farhad* - Dr. H. Bakhtiar*** - Assistant Professor of Endodontics Dept. - Faculty of Dentistry – Isfahan University of Medical Sciences. **- Endodontist. Background and Aim: Procedural errors such as canal transportation and loss of working length are mainly associated with stainless steel files with insu...
OBJECTIVES The aim of this study was to determine whether transesophageal echocardiography could clarify the nature of equivocal echodense structures in the left ventricular apical region frequently found on transthoracic echocardiography by directing the ultrasound beam from the left ventricular base to the apex and achieving better image quality. BACKGROUND Transthoracic echocardiography of...
Smilidarnis duocornus sp. nov. , S. erwini and robustus are described, illustrated, included in a key to the five species here recognized . One member of this genus, from Ecuador (new country record for genus), is which differs its congeners having distinct coloration being intermediate size terms overall body length relative lateral apical spines. (from Peru) Brazil) differ other pronotum bear...
Although bile acid transport by bile duct epithelial cells, or cholangiocytes, has been postulated, the details of this process remain unclear. Thus, we performed transport studies with [3H]taurocholate in confluent polarized monolayers of normal rat cholangiocytes (NRC). We observed unidirectional (i.e., apical to basolateral) Na+-dependent transcellular transport of [3H]taurocholate. Kinetic ...
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