assembling of fluid filtration system for quantitative evaluation of microleakage in dental materials

introduction: there are several methods for evaluating microleakage in dentistry, for example dye or bacterial leakage, electro-chemical methods, radioisotope labeling and fluid filtration. the purpose of this study was to assemble the fluid filtration system for quantitative evaluation of microleakage in dental materials. materials and methods: the roots were connected to a tube filled with an underwater pressure supply. a bubble was introduced into the water to measure endodontic leakage. a digital camera and professional software were utilized to record and measure the bubble displacement. results: our system was constructed successfully and functioned correctly. conclusion: in this pilot study we found this system efficient for the evaluation of microleakage of dental materials.