نتایج جستجو برای: partial pulpotomy
تعداد نتایج: 230641 فیلتر نتایج به سال:
در ابتدا به طور مختصر ارتباط بین مسائل تغییراتی و معادلات دیفرانسیل را بیان می کنیم. همان طور که می دانیم هر معادله دیفرانسیل را می توان به صورت egin{equation} label{yek} a(u)= 0 end{equation} نوشت، که در آن $ a(u) $ یک عملگر دیفرانسیل معمولی یا جزئی خطی یا غیرخطی و $ u $ مجهول می باشد. برای حل این معادلات و به خصوص معادلات دیفرانسیل جزیی غیرخطی راه حل مشخصی وجود ندارد.حساب تغییر...
The field of dentistry is constantly changing with the introduction new materials and techniques that resulted in good treatment outcome.Bio-ceramics are amongst recently introduced which have changed face dentistry. Bioceramics biocompatible, nontoxic, non-shrinking usually chemically stable within biological environment.The development bioceramic based has greatly improved dentist’s possibili...
UNLABELLED Evidence-based dentistry is a critical evaluation, awareness of the available evidence to improve decision making about the care of individual patients and/or communities. OBJECTIVE To systematically analyze the available scientific literature on clinical and radiographic results of two materials used in pulpotomy in primary teeth: formocresol and mineral trioxide aggregate. MATE...
Mineral trioxide aggregate (MTA) has recently been used as a pulpotomy medicament for primary molars. The aim of this study was to evaluate and compare the proliferation and differentiation potential of dental pulp stromal cells of permanent teeth and deciduous teeth cultured on MTA-coated surface. Human dental pulp stromal cells were obtained from human permanent premolars and deciduous teeth ...
Contemporary perspectives on vital pulp therapy: views from the endodontists and pediatric dentists.
The purpose of this study was to determine the level of agreement between pediatric dentists and endodontists at a pulp therapy symposium conjointly sponsored by the American Association of Endodontists (AAE) and the American Academy of Pediatric Dentistry (AAPD) on November 2-3, 2007. Presymposium and postsymposium tests were administered, and respondent answers were compared between pediatric...
OBJECTIVE The aim of this study is to evaluate four different pulpotomy medicaments in primary molars. MATERIALS AND METHODS A total of 147 primary molars with deep caries were treated with four different pulpotomy medicaments (FC: formocresol, FS: ferric sulfate, CH: calcium hydroxide, and MTA: mineral trioxide aggregate) in this study. The criteria for tooth selection for inclusion were no ...
A student once told me that he preferred to work with another instructor because I took too long to make clinical decisions. When 1 asked him why, he gave me several examples of situations in which I had deliberated upon too long for his liking. None of these was simple in my opinion, nor did I agree with the other instructor's solutions. My dismay and introspection about this student's revelat...
The aim of this study was to evaluate histological aspects of the pulp-dentin complex of dogs submitted to pulpotomy and capped with ethyl-cyanoacrylate and calcium hydroxide. Thirty dog teeth were divided into 2 groups of 15 as follows: Group 1 - ethyl-cyanoacrylate; Group 2 - calcium hydroxide. The pulpotomies were carried out following all of the treatment precautions recommended for dogs. A...
Radicular cysts are by far the most common cystic lesions of the jaw. However, those arising from primary teeth are comparatively rare, comprising only 0.5 to 3.3%. The aim of this paper is to present clinical, radiographic and histopathological characteristics of radicular cyst associated with a primary mandibular molar causing unusual displacement of the permanent successor. Extraction of pri...
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