نتایج جستجو برای: ions of saliva
تعداد نتایج: 21170614 فیلتر نتایج به سال:
Objectives: Diabetes mellitus is one of the most common chronic diseases that may cause irreversible complications. This disease can affect the salivary glands and oral health. Among physical and chemical alterations, changes in the pH and viscosity of saliva are particularly important. The aim of this study was to compare the pH and viscosity of unstimulated saliva in diabetic patients and non...
Introduction: To assess the salivary composition of proteins and minerals in smokers compared with non-smokers. Materials and Methods: In this study we compared the total protein and Ca, Na, K, Mg, Pb of whole saliva in two groups of men (28 smokers and 31nonsmokers) aged between 29-41years. Results: Fifty-nine participants were evaluated. The mean age was 33.14±5.32 years among smo...
statement of problem: amalgam is the most widely used dental restorative material. however, because of continuous low-level release of mercury from amalgam fillings, its safety has been questionable. purpose: the aim of this study was the evaluation of concentration of mercury in saliva before and after amalgam fillings and its relation with numbers and surfaces of amalgam fillings. materials a...
Background and Aims: Saliva is the first body fluid that is exposed to the free radicals found in cigarette smoke. Antioxidant substances in saliva, such as vitamin C, play an important role in the defense mechanism against free radicals. Therefore, the aim of this study was to examine the effect of vitamin C on the total antioxidant capacity of saliva in smokers. Materials and Methods: This r...
It has been documented in vitro and in vivo that metal dental appliances release metal ions due to corrosion. Dentists must choose among many dental casting alloys available, often without knowledge of their biological properties and effect on oral mucosa. The aim of this study was to measure metal content of nickel (Ni) and chromium (Cr) in whole saliva of 85 patients with and without metal de...
Early diagnosis of dental caries is paramount importance. If we are able to intercept lesion at subsurface level with the help remineralizing agents, can actually achieve a free mouth.Remineralization was ruled by fluorides from 1960s. Since then it has been successfully carious lesions & certain disadvantages like dependant on calcium and phosphate saliva accomplish this. Also overuse caus...
OBJECTIVE. The purpose of this study is to evaluate the ability of two commercial strip tests and laboratory titration to detect saliva buffer capacity. MATERIALS AND METHODS. Sixty-four patients were examined. Stimulated saliva was collected and buffer capacity was determined with two different chair-side strip tests in addition to immediate transportation to the laboratory to check the buffer...
pure submandibular saliva was collected from anaesthetized vitamin - a - treated and control rats with using of pilocarpine as secretogogue, and then the serum was collected by cardiac puncutre. intraperitoneal injection of a large single dose (100,000 iu/kg) of vitamin a changed total protein, calcium and sodium concentrations of saliva so that sodium level of submandibular saliva was reduced ...
due to a narrow therapeutic range, measurment of theophylline serum levels is highly recommended in patients with a long-term theophylline therapy. in this regard, since blood sampling is an invasive method, exploring alternative methods using other biological fluids in particular saliva samples are targeted. this study was designed to determine any relationship between serum and saliva levels ...
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