introduction: the purpose of this study was to determine the effects of citrus aurantifolia (ca) extract on smear layer removal in different parts of root canals. materials and methods: thirty-nine single-rooted human teeth were randomly divided into three experimental ( n =12) and one control ( n =3) groups. teeth were instrumented using mtwo rotary instruments. root canals were irrigated with...

abstract: cone-beam computed tomography (cbct) has been accepted as a useful tool for diagnosis and treatment in endodontics. despite a growing trend toward using cbct in endodontic practice the cbct images should be interpreted carefully. this case report presents a case that showed radiolucency inside and around a tooth which was free of pathologic changes under a dental operative microscope ...

abstract : inflammatory external root resorption (ierr) is a pathological phenomenon of microbial origin. this stu dy reports a case of external apical inflammatory root resorption of maxillary incisors associated with periradicular lesions in a 22 year old female, which was successfully treated by one-visit root canal therapy (rct). radiographic investigation revealed periapical radiolucencies...

a mandibular first molar requiring root canal therapy was found with five canals, three mesial canals, and two distal canals. initially, four canals (mesiobuccal, mesiolingual, distobuccal, and distolingual) were identified. the mesiobuccal and mesiolingual canals were found in their normal locations, and a fifth canal was noted between these two. this case demonstrates a rare anatomical config...

introduction: the aim of this study was to gather information on the materials and methods employed in root canal treatment (rct) by general dental practitioners (gdps) in iran. methods and materials: a questionnaire was distributed among 450 dentists who attended the 53 th iranian dental association congress. participants were asked to consider demographic variables and answer the questions re...

introduction: despite being the gold standard as well as a routine technique in endodontics, radiographic working length (wl) determination owns many drawbacks. electronic apex-locators (eals) are recommended to complement radiographies. the aim of this study was to evaluate the perceptions of iranian general dental practitioners (gdps) towards using radiography and eal. methods and materials: ...

conclusions it is required to consider the strategies during student education in dental schools for both under and post-graduation dental students and better to follow them in workshops for other dentists and even endodontists. results the most stressful stage of root canal therapy was endodontic treatment for children in male endodontists and residents, preparing access cavity on crowns in fe...

introduction: the fracture strength of endodontically treated teeth compared to vital ones has long been a source of controversy. it is not clear how root canal therapy affects the stress distribution in teeth. the purpose of this study was to evaluate the changes in stress distribution after root canal therapy in a human maxillary canine by finite element analysis (fem). materials and methods:...

introduction: general dental practitioners provide the majority of treatment in iran. the aim of this study was to gather information on the methods, materials and attitudes employed in root canal treatment by dentists participated in 7 th congress of iranian academy of restorative dentistry in shiraz /2007 in order to evaluate the quality of current practice. materials and methods: a questionn...

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. ...