نتایج جستجو برای: five root canals
تعداد نتایج: 535617 فیلتر نتایج به سال:
Background: A correct diagnosis of the morphology of the root canal system is crucial in order to ensure a successful root canal treatment. The incidence of mandibular first premolars with three root canals has been reported to be low. This clinical case report describes a case of a successful nonsurgical endodontic management of a mandibular first premolar with three root canals. Case present...
The endodontic treatment of a mandibular molar with aberrant canal configuration can be diagnostically and clinically challenging. This case report presents the treatment of a mandibular first molar with seven root canals, of which four canals were located in the mesial root and three in distal root. This case presents a rare anatomic configuration and points to the importance of expecting and ...
AIM To compare in vitro the cleanliness of root canal walls in oval-shaped root canals following automated or manual instrumentation. METHODOLOGY Forty-five oval-shaped single-rooted maxillary and mandibular premolars with straight canals were divided into three groups of 15. Automated canal preparation was performed using Anatomic Endodontic Technology (AET, group 1) and the ProFile system (...
The dynamic concept of the root canal system, which describes a variable morphology of the multiple root canals which are inter-connected by anastomoses, has been established as the prevailing state in the mandibular molars. The aim of this case report was to describe the unusual root canal anatomy that was detected in the mandibular first molar during the routine endodontic treatment. The clin...
introduction: vertical root fracture inevitably leads to tooth extraction. thus, root filling with obturating materials and sealers that can reinforce the tooth would be an ideal way to reduce fracture in root treated teeth. this study aimed to assess the fracture resistance of roots following the application of different sealers including epiphany, iroot sealer and ah-plus. methods and materia...
The aim of this study is to describe the morphology of the roots and root canals of permanent lower second premolars (LP4s) with fully developed roots of five hominin groups: Homo sp. (ATE9-1 specimen) from Atapuerca-Sima del Elefante locality, H. antecessor (ATD6-4 and ATD6-125) from Atapuerca-Gran Dolina TD6 locality, H. heidelbergensis from Atapuerca-Sima de los Huesos locality, H. neanderth...
An accurate diagnosis of the morphology of the root canal system is a pre-requisite for successful root canal treatment. Frequently, root canals are left untreated because the clinicians fail to identify their presence, particularly in teeth that have anatomical variations or additional root canals. In this report a maxillary lateral incisor with two roots has been described.
BACKGROUND The efficacy of endodontic irrigation procedures can be compromised by the complexity of the root canal system. Delivering irrigants to the apical third of curved canals presents a particular challenge to endodontists. This study compared the effects of two ultrasonic irrigation techniques on the penetration of sodium hypochlorite into the main canal and simulated lateral canals of c...
INTRODUCTION A variety of mesial and distal projections have been suggested for separating the canals in a multi-canaled root. But there is no general agreement on the best angulation for each tooth. The purpose of this study was to evaluate the X-ray horizontal angle for separating the canals of four-canal first mandibular molars. MATERIALS AND METHODS Forty four-canaled mandibular molars we...
Influence of irrigation and obturation techniques on artificial lateral root canal filling capacity.
The aim of this study was to evaluate the influence of two different irrigation protocols on artificial lateral root canal filling capacity using different obturation techniques. Sixty single-root human teeth were used. Two artificial lateral canals were created in the apical third. Root canals were instrumented up to a 45 K-file to the working length. Before each file, root canals were irrigat...
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