نتایج جستجو برای: apical sealability
تعداد نتایج: 30194 فیلتر نتایج به سال:
introduction: the purpose of this in vitro study was to investigate the influence of 5.25% sodium hypochlorite (naocl) and 0.12% chlorhexidine gluconate (chx) use separately and combined as endodontic irrigants on the apical sealing ability of two endodontic sealers. materials and methods: eighty-six extracted maxillary central incisor teeth were used. the teeth were decoronated at the cej, acc...
Introduction: Apical seal in blood or dry root canal is a problem in endodontic treatment. Failure of apical seal causes inflammatory reaction and failure root canal treatment. Because of the sealer properties, root canal should be dry for obturation. But hydrophilic sealers can adhere to root canal walls nowadays and this problem is still controversial. This study aimed at determining the apic...
Background and purpose: Root therapy will be successful if it is done based on a correct diagnosis and appropriate treatment plan with the knowledge of morphology and tooth anatomy, debridement, disinfection, and obturation of the entire root canal system. This study aimed to investigate the number and morphology of canals in root canals mandibular anterior using cone beam computed tomography (...
In the process of high flow rate fracture and gas production, sealing performance premium connection decreases due to dynamic load vibration downhole tubing strings, which may cause accidents. Existing static analysis methods cannot effectively explain this phenomenon. The main objective paper is propose a novel analytical method for evaluating connection. paper, model surfaces established base...
Effects of spreader penetration depth on the quality of apical seal Dr. M. Alaeddini* - Dr. M. Parirokh** * - Oral and Maxillofacial pathologist – Dental Research Centre – Tehran University of Medical Sciences. **- Associate professor of Endodontics Dept. – Faculty of Dentistry – Kerman University of Medical Sciences. Background and Aim: A proper root canal filling is accomplished by complete o...
Abstract Background and aim: Maintaining the original geometry of canal is an important parameter in successful root canal treatment. The aim of this original study was evaluation of apical root canal transportation and centering ability of SafeSider and K-Flexofile using cone beam computed tomography. Materials and Methods: Mesiobuccal root canals of maxillary first molars, with 20-40° curvatu...
objective: furcal perforation is an undesirable complication that may occur during root canal therapy and seriously compromises the prognosis of endodontic treatment. the prognosis of furcal perforation repair depends on the prevention of bacterial infection of the perforation site. thus, use of a biocompatible material for complete sealing of the perforation site is critically important. this ...
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