PURPOSE To establish a three-dimensional finite element model for orthodontic anchorage micro-implant,and to analyze the influence of different titled angles on the biomechanical characteristics of orthodontic anchorage implant-bone interface. METHODS ANSYS(Analysis System)finite element analysis software was used to perform the finite element modeling of the micro-implant with 7 different ti...

To address the safety problems caused by clips being squeezed jacks and wire slipping in tensioning process of flat anchorages, we designed a limit plate to be used with anchorage, studied mechanical properties anchorage system after adding through numerical simulation. Lastly, was created applied practical engineering scenario test its performance. The results showed that newly changed butt po...

Cell anchorage is required for cell proliferation of untransformed cells, whereas anchorage-independent growth can be induced by oncogenes and is a hallmark of transformation. Whereas anchorage-dependent control of the progression of the G(1) phase of the cell cycle has been extensively studied, it is less clear whether and how anchorage may control other cell cycle phases and whether oncogenes...

INTRODUCTION The purpose of this study was to compare and measure the amount of anchorage loss with titanium microimplants and conventional molar anchorage during canine retraction. METHODS Subjects for this study comprised 10 orthodontic patients (7 women, 3 men) with a mean age of 19.6 years (range, 18 to 25 years), who had therapeutic extraction of all first premolars. After leveling and a...

Oncogenic K-Ras mutation occurs frequently in several types of cancers, including pancreatic and lung cancers. Tumors with K-Ras mutation are resistant to chemotherapeutic drugs as well as molecular targeting agents. Although numerous approaches are ongoing to find effective ways to treat these tumors, there are still no effective therapies for K-Ras mutant cancer patients. Here we report that ...

With the growing population and density in metropolitan areas, higher tendency to live in high-rise buildings, and increasing demand for parking lots, it seems necessary to excavate soil to construct underground spaces. During excavation work, as the height of the wall increases, special care should be taken to the wall stabilization to avoid any consequent damage including extensive property d...

In order to make up for the shortcomings of existing theory calculation methods circular diaphragm walls, an alternative method was developed with a clear concept based on cylindrical shell and superposition principle in elasticity named (CCSTCM). We took north anchorage foundation pit G3 Tongling Yangtze River Highway Railway Bridge as example calculated analyzed it by proposed CCSTCM, finite ...