نتایج جستجو برای: root canal therapy
تعداد نتایج: 811019 فیلتر نتایج به سال:
introduction: pulpectomy is the preferred treatment for restorable primary teeth with symptomatic irreversible pulpitis or periradicular lesion. considering the rather new application of rotary files for pulpectomy of primary teeth, the aim of this study was to compare the cleaning efficacy and instrumentation time of hand k-files and mtwo rotary system for preparation of human primary molars. ...
a detailed knowledge of root canal anatomy is a prerequisite for successful endodontic treatment. such information is highly dependent upon the ethnicity of the population of interest. lack of sufficient national information concerning internal anatomy can lead clinicians to increase their rate of treatment success. the aim of this study was to evaluate external root morphology and root canal a...
conclusions according to the results of this study, the accuracy of the file length in improved digital images showed no significant difference in comparison with the actual file length. materials and methods using an analytical-diagnostic method, an access cavity was prepared in 36 mandibular and maxillary premolar teeth. a file # 15 was inserted into the canal of each tooth until the tip of t...
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: the purpose of this in-vitro study was to investigate the influence of the remaining calcium hydroxide (ch) as an intracanal dressing on the apical sealing ability of three endodontic sealers. materials and methods: sixty-six single and straight canals of recently extracted human permanent maxillary central incisors were used. all canals were prepared and sixty of them were random...
tooth fusion is a developmental anomaly characterized by the :union: between the dentin and/or enamel of at least two separately developing teeth. the fusion of posterior teeth is an uncommon occurrence. in this article, we report a rare case of unilateral fusion of a mandibular second molar with a paramolar. carious exposure mandated endodontic treatment. the unusual morphology and complex roo...
introduction: the aim of this study was to evaluate the antimicrobial effect of eucalyptus galbie and myrtus communis l. methanolic extracts, chlorhexidine (chx) and sodium hypochlorite (naocl) on enterococcus faecalis (e. faecalis) as the predominant species isolated from infected root canals. methods and materials: one hundred twenty mandibular premolars were randomly divided into 8 groups: e...
knowledge about the morphology of the root canal system is a pre-requisite for achieving a successful outcome in root canal treatment. in this report, a patient with a maxillary lateral incisor which had previously undergone orthograde endodontic retreatment for two times is discussed. the tooth had been misdiagnosed with a palatal groove or a root fracture, its prognosis had been determined to...
introduction: the purpose of this study was to evaluate external root surface temperature rise during post space preparation using la axxess bur, beefill pack system, and peeso reamer drill. materials & methods: the distal canals of forty-five extracted human permanent mandibular first molars were instrumented in crown-apical manner and obturated with lateral condensation technique. teeth were ...
background and aims. with availability of hydrophilic sealers, drying of the canals before endodontic obturation is still a matter of debate. the aim of this study was to compare the apical micro-leakage of ah26, excite dsc, mta fillapex, and zoe sealers in dry and moist root canals. materials and methods. this experimental study was performed on 90 extracted maxillary central incisors. rotary ...
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