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OBJECTIVE We sought to evaluate the incidence and clinical outcome of an accidental finding of actinomycotic colonies in periapical lesions submitted for histologic examination. STUDY DESIGN The study included all periapical biopsy specimens submitted for histologic examination between 1997 and 2000. Sections of paraffin-embedded tissues, 5 microm, were(More)
OBJECTIVE To determine the prevalence,location, and distribution of sinus tracts in patients referred for endodontic consultation. METHOD AND MATERIALS This cohort study included 1,119 subjects referred for endodontic consultation, 108 of whom presented with sinus tracts. Following clinical and radiographic examination, the diameter of the rarifying(More)
The objective of this study is to determine the potential for microcracks in the radicular dentin of first maxillary premolars using three different mechanized endodontic instrumentation systems. Eighty extracted maxillary first premolars with two root canals and no externally visible microcracks were selected. Root canal instrumentation was performed with(More)
Root perforation is an artificial communication between the root canal system to supporting tooth tissues or to the oral cavity. The etiology of the perforation can be mechanical errors during dental procedures or pathological processes. Infection of the perforation site affects the prognosis of the treated root perforation, which is influenced by time(More)
Modern dental practice offers a wide variety of treatment alternatives and modalities. With the wider scale of treatment options, new dilemmas emerged. A common dilemma is the decision whether to preserve the natural tooth by endodontic treatment, or to extract the tooth and replace it with a single dental implant. The clinician needs to remember that the(More)
The aim of this retrospective study was to compare the outcome of surgical endodontic treatment preformed using the traditional versus modern techniques. There were 110 patients who were treated by surgical endodontic treatment between 2000 and 2002 and evaluated from their dental charts. The surgical endodontic treatment was preformed using a traditional(More)
Etiology of different types of root resorption requires two phases: mechanical or chemical injury to the protective tissues and stimulation by infection or pressure. Injury can be similar in various types of root resorption. The selection of proper treatment is related to the stimulation factors. Intrapulpal infection is the stimulation factor in internal(More)
INTRODUCTION Numerous studies dealing with the outcome of surgical endodontic treatment have been published. However, study design, treatment protocols, follow-up periods, and inclusion and exclusion criteria are extremely variable. Thus, variable and confusing results have been reported. The aim of the present study was to assess the outcome of surgical(More)
INTRODUCTION Numerous studies on outcomes of surgical endodontic treatment have been published to date. However, study designs, treatment protocols, follow-up periods, and inclusion and exclusion criteria have been extremely heterogeneous. Thus, inconsistent and confounding results have been reported. The aim of this systematic review of the literature was(More)
INTRODUCTION The diagnosis of vertical root fracture (VRF) is at times complicated for lack of specific signs, symptoms, and/or radiographic features. The purpose of this study was to systematically search and evaluate the literature regarding the diagnostic accuracy of clinical signs and symptoms and radiographic indices for the diagnosis of VRF in(More)