A study of the implant to abutment connection is of paramount importance as it is the primary determinant of the strength and stability of the implant supported restoration, which in turn determines the restoration’s prosthetic stability. Traditionally, the Branemark's external hexagon has been widely used but its significant complications like abutment screw loosening, rotational misfit at imp...

objective: the aim of this study was to investigate the possibility of predicting psychological well-being based on spirituality and religiousness. methods: a sample of 300 participants was selected from the whole entrants to shiraz university of medical sciences and shiraz university using a random cluster sampling. the tools of this study were the spiritual scale of ironson, the internal and ...

effective academic leadership is a complicated issue to investigate because of its intangibility and potential consequences. in addition, it plays an essential role in the success of institutions as well as being an important factor in improving quality performance of faculty members, administrators and qualified alumni. in this study mixed methods was used to develop a model of islamic azad un...

introduction : lateral osteotomy is a major part of rhinoplasty for remodeling external facet of the nose and narrowing of nasal base and dorsum after removal of the hump with the edema and ecchymosis being the major sequels of the operation. the present study compared post-operative edema and ecchymosis and mucosa tears between internal and external osteotomy techniques. materials and methods ...

OBJECTIVE This study sought to better understand the patient s perspective of the experience of recovery from cancer that appeared to defy medical prognoses. METHODS Fourteen cases of medically verified exceptional outcomes were identified. A qualitative approach, employing long narrative interviews was used. Data was analyzed using a cross case thematic analytic approach. RESULTS The major...

This paper focuses on internal and external factors, which influence the inflation rate in developing countries. A monetary model of inflation rate, capable of incorporating both monetary and fiscal policies as well as other internal and external factors, was developed and tested on Iranian data. It was found that, over the long run, a higher exchange rate leads to a higher price and that the f...

PURPOSE The purpose of this study is to evaluate the stability of interface between Co-Cr-Mo (CCM) UCLA abutment and external hex implant. MATERIALS AND METHODS Sixteen external hex implant fixtures were assigned to two groups (CCM and Gold group) and were embedded in molds using clear acrylic resin. Screw-retained prostheses were constructed using CCM UCLA abutment and Gold UCLA abutment. Th...

A bench-top automobile air conditioning (AAC) system using a thermostatic expansion valve was developed. The equipped with coaxial internal heat exchanger (HEX) and charged R1234yf, new refrigerant used as an alternative to R134a. tested at the compressor speeds ranging between 1000 rpm 2600 increments of 400 rpm. For each speed, temperatures evaporator condenser inlets were concurrently change...

background: glycosidases profusion in male reproductive fluids suggests a possible relationship with sperm function. although hexosaminidase (hex) is the most active glycosidase in epididymal fluid and seminal plasma, as well as in spermatozoa, glucosidase is considered a marker for epididymal function and azoospermia. objective: the aim of this study was to determine hex activity in seminal pl...

locus of control is a very important issue in the psychological science and it can help people to overcome many psychological disorders. the main assumption of the present study was the relationship between both internal and external locus of control, as a hypothetical variable. the aim of this study was to determine the relationship between locus of control and levels of anxiety in female stud...