Mohammad Javad Kharazi Fard
Dental Research Center, Tehran University of Medical Sciences, Tehran, Iran.
[ 1 ] - A study on the relationship between clinical features with Ki67 expression and eosinophil cells infiltration in oral squamous cell carcinoma
Background :Cell proliferation is one of the most critical factors in metastasis and prognosis of the malignant tumors.Recent investigations show that the eosinophil granolosytes have an important role in developing of malignant tumors. The relation between cell proliferation and eosinophilic infiltration in oral squamous cell carcinoma (OSCS) with prognosis is unclear.The aim of this study w...
[ 2 ] - Mast cells density in fibrotic capsule of enchondroma and well-differentiated chondrosarcoma: a method for histopathologic differentiation
Background: An enchondroma is a benign and a well-differentiated chondrosarcoma is an invasive chondroid tumor with high recurrence potential. In spite of biologic differences, these two tumors have very similar histopathologic appearance. It has been shown that the biologic nature of the connective tissue around benign and malignant tumors varies in the number of mast cells. The aim of this s...
[ 3 ] - بررسی اثر سدیم بی‌کربنات بر روی کاندیدای آلبیکانس در دنچر استوماتیت (مطالعه آزمایشگاهی)
Background and Aims: The aim of this study was to investigate the effects of sodium bicarbonate against candida albicans, the main infectious factor of denture stomatitis, and to compare it with other common anti-candida medications. Materials and Methods: Three concentrations of Candida albicans (105, 106, 107 CFU/mL) were prepared. Experimental substances were 5% sodium bicarbonate, nystat...
[ 4 ] - Viewpoints of Clinical Dentistry Students on the Factors Affecting the Quality of Lectures in Theoretical Courses
Introduction: Whilst there is an extensive descriptive literature on the effective lecturing, there are few studies on students' perspective toward the attributes of effective lecture sessions. The aim of this study is to explore students' viewpoints on factors affecting the quality of lecture sessions. Methods: This was a two-stage descriptive study in which 25 dentistry students at clinical ...
[ 5 ] - بررسی تأثیر جنس Post-Core بر استحکام شکست در بازسازی تاج دندان های درمان ریشه شده
چکیده مقدمه: دندان های درمان ریشه شده در برابر نیروهای فانکشنال بیشتر مستعد به شکست می باشند. در این موارد اغلب درمان پست و کور تجویز می گردد. از سوی دیگر استفاده از رستوریشن های تمام سرامیک با بهبود خواص آن ها در بازسازی دندان های خلفی گسترش یافته است. هدف از این مطالعه، بررسی استحکام شکست چهار سیستم پست و کور در دندان های درمان ریشه شده پره مولر...
[ 6 ] - Evaluation of different surface treatment on shear bond strength of composite to E max porcelain (in-vitro)
Background and Aim: The aim of this study was to investigate the shear bond strengthof composite to Emax porcelain using different methods of ceramic surface preparation (in vitro). Material and Methods: In this laboratory study, 36 porcelain disks were made and divided into four equal groups. The first group was prepared by sandblasting with 50 micron alumina particles, in the second group rec...
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