نتایج جستجو برای: this canal became differentiated into mouth
تعداد نتایج: 6747734 فیلتر نتایج به سال:
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
Background and purpose: Auto-transplantation is the best bone graft substitute, but there are some limitations. Therefore, other methods using synthetic or natural materials are recommended. Propolis is a resinous natural product derived from plant exudates collected by honeybees. It has been extensively used in folk medicine because of its biological and pharmacological activities. The present...
introduction: the aim of this study was to compare the marginal adaptation of mineral trioxide aggregate (mta) and calcium-enriched mixture(cem) cement apical plugs in open apex teeth in dry, blood- and saliva-contaminated canals. methods and materials: a total of 120 human extracted single-rooted teeth were used. the teeth were decoronated and canals were cleaned and shaped up to #80 k-files. ...
Background: Pilomatrixoma is a benign neoplasm derived from hair follicles, and it rarely happens. Some cases were misdiagnostic with another skin lesion. One of them was squamous cell carcinoma (SCC). This study aimed to describe the pilomatrixoma pathology description carcinoma.
 Case presentation: A man, 72 years old admitted hospital chief complaint lump on his chin that penetrated int...
Introduction: antimicrobial activity of irrigants and interappointment intracanal dressing is an important consideration in endodontics . The aim of this study was to evaluate the clinical efficacy of chemomechanical preparation of the necrotic canals with different irrigants and intra canal dressing in the control of root canal infection and sinus tract closure. Materials &Methods: In this ...
all analytical methods are generally based on the measurement of a parameter or parameters which are somehow related to the concentration of the species.an ideal analytical method is one in which the concentration of a species can be measured to a high degree precision and accuracy and with a high sensitivity. unfortunately finding such a method is very difficult or sometimes even impossible.in...
Anal canal adenocarcinoma is a relatively rare malignancy without established diagnostic and treatment criteria. Case reports of chemotherapy for anal canal adenocarcinoma with distant metastasis are limited, and there is no convincing evidence for treatment effectiveness. A 62-year-old man complained of difficulty in defecation, anal pain, and bleeding during bowel movement. He was diagnosed w...
introduction: the aim of this study was to compare digital and conventional radiography in determining the working length of dilacerated canals.methods: thirty nine human extracted single-rooted teeth with root curvature more than 35 degrees were included in this study. after access preparation, a file was inserted into the canal and advanced until the file tip was visualized at the foramen. wi...
The electrosense of sharks and rays is used to detect weak dipole-like bioelectric fields of prey, mates and predators, and several models propose a use for the detection of streaming ocean currents and swimming-induced fields for geomagnetic orientation. We assessed pore distributions, canal vectors, complementarity and possible evolutionary divergent functions for ampullary clusters in two sh...
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