نتایج جستجو برای: dental pulp

تعداد نتایج: 175233  

Journal: :dental research journal 0
naghmeh gharizadeh azita kaviani samaneh nik

background: the use of electric current during application of etch-and-rinse adhesive systems has been recently introduced to decrease microleakage. this study investigated the effects of an electric field produced by an experimental device for the application of a two-step etch-and-rinse adhesive on moist dentin surface. methods: sixty freshly extracted human premolars were used for this study...

2010
Ali Kangarlou Haghighi Shima Nafarzadeh Yazdan Shantiaee Mandana Naseri Zohreh Ahangari

INTRODUCTION Dental pulp has neural fibers that produce neuropeptides like Substance P (SP) and calcitonin gene-related peptide (CGRP). The inflammation of dental pulp can lead to an increase amount of SP and CGRP release, especially in symptomatic irreversible pulpitis. Therefore, it can be assumed that neuropeptides have some role in the progression of inflammation of the dental pulp. The aim...

2015
Cosmin Sinescu Meda Lavinia Negrutiu Adrian Bradu Virgil-Florin Duma Adrian Gh. Podoleanu

A routine cavity preparation of a tooth may lead to opening the pulp chamber. The present study evaluates quantitatively, in real time, for the first time to the best of our knowledge, the drilled cavities during dental procedures. An established noninvasive imaging technique, Optical Coherence Tomography (OCT), is used. The main scope is to prevent accidental openings of the dental pulp chambe...

2015
Jean-Christophe Farges Brigitte Alliot-Licht Emmanuelle Renard Maxime Ducret Alexis Gaudin Anthony J. Smith Paul R. Cooper

Dental caries is a chronic infectious disease resulting from the penetration of oral bacteria into the enamel and dentin. Microorganisms subsequently trigger inflammatory responses in the dental pulp. These events can lead to pulp healing if the infection is not too severe following the removal of diseased enamel and dentin tissues and clinical restoration of the tooth. However, chronic inflamm...

Journal: :Clinical and investigative medicine. Medecine clinique et experimentale 2008
Stefano Tete Filiberto Mastrangelo Anna Paola Scioletti Michelangelo Tranasi Florina Raicu Michele Paolantonio Liborio Stuppia Raffaele Vinci Enrico Gherlone Cristian Ciampoli Maria Teresa Sberna Pio Conti

INTRODUCTION Microarray is a recently developed simultaneous analysis of expression patterns of thousand of genes. The aim of this research was to evaluate the expression profile of human healthy dental pulp in order to find the presence of genes activated and encoding for proteins involved in the physiological process of human dental pulp. We report data obtained by analyzing expression profil...

Journal: :iranian endodontic journal 0
saeed moradi department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran maryam bidar department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran mohammad hasan zarrabi department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad/ iranian center for endodontic research, tehran, iran ali talati department of endodontics, dental school, dental research center, mashad university of medical sciences, mashad, iran

introduction: open-apex teeth with irreversible pulpitis require complex and difficult treatment. providing the right environment for apexogenesis and pulp protection is vital for their long term prognosis. the young pulp of open apex tooth, however, is better equipped against irritation and assault. the aim of this study was to evaluate pulp inflammation in open apex canine teeth of cats. mate...

Journal: :iranian endodontic journal 0
leila khojastepour department of oral radiology, dental school, shiraz university of medical sciences, shiraz, iran naser rahimizadeh endodontist, shiraz, iran akbar khayat department of endodontics, dental school, shiraz university of medical sciences, and iranian center for endodontic research, tehran, iran

introduction: knowledge of the anatomic location and dimension of the molar pulp chamber may preserve healthy pulp during operative procedure and reduce risk of perforation of chamber during access preparation. a review of literatures regarding the morphology of pulp chamber however revealed very little information; so the aim of this in vivo study was to measure the dimensions of first molar p...

Journal: :journal of dentistry, tehran university of medical sciences 0
leila khojastepour associated professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. pegah bronoosh assistant professor, department of oral radiology, school of dentistry, shiraz university of medical sciences, shiraz, iran. shahdad khosropanah associated professor, department of cardiology, school of medicine, shiraz university of medical sciences, shiraz, iran. elham rahimi student research committee, school of medicine, shiraz university of medical sciences, shiraz, iran.

to report the association of pulp calcification with that of cardiovascular disease (cvd) using digital panoramic dental radiographs.digital panoramic radiographs of patients referred from the angiography department were included if the patient was under 55 years old and had non-restored or minimally restored molars and canines. an oral and maxillofacial radiologist evaluated the images for pul...

Journal: :iranian endodontic journal 0
maria giovanna gandolfi laboratory of biomaterials and oral pathology department of odontostomatological sciences university of bologna, via san vitale 59 40125 - bologna, italy

introduction: ca(oh) 2 -containing/forming materials are conventionally used for indirect pulp-capping and are theoretically able to release ca 2+ and oh - ions for hydrolytic dissociation. however, no evidence exists for ion diffusion through the remaining coronal dentin. the aim of this study was to design an innovative experimental set-up to test the ability of ca(oh) 2 -containing and ca(oh...

Journal: :dental research journal 0
vellore kannan gopinath khurshid anwar

background: managing dental caries in young children is demanding due to the elusions present on the right diagnostic criteria for treatment. the present study evaluated the histological status of pulp tissues extracted from primary second molar with caries involvement. histological findings are correlated with clinical and radiographic assessment. materials and methods: simple experimental stu...

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