Aim Comparative evaluation of the fracture resistance of maxillary premolar teeth restored with two high-viscosity bulk-fill composites and incrementally placed composite. Materials and Methods Seventy-five freshly extracted maxillary premolar teeth were selected. Fifteen specimens served as positive control (Group 1). Mesio-occluso-distal cavity preparation was prepared on the rest of the sp...

STATEMENT OF THE PROBLEM Several techniques are proposed for the restoration of Class V cavities but there is no agreement in the literature as to which technique is more effective. PURPOSE To evaluate the effect of different techniques of composite increment placement on the marginal adaptation of Class V restorations. METHODS AND MATERIALS Twenty-four human molars were selected and prepar...

The increase of the base transceiver station (BTS) in most urban areas can be traced to the drive by network providers to meet demand for coverage and capacity. In traditional network planning, the final decision of BTS placement is taken by a team of radio planners, this decision is not fool proof against regulatory requirements. In this paper, an intelligent based algorithm for optimal BTS si...

Thoracic pedicle screws provide a number of advantages over other methods of spinal fixation in treating a variety of conditions including: better pull-out strength and greater control in the sagittal, coronal and rotational planes due to increased stability to axial, bending and rotational forces by three-column fixation, fewer vertebral motion segments arthrodesed, no or lessened need for pos...

Background. This review describes the peritoneal dialysis (PD) catheter implantation techniques for the treatment of PD. The PD catheter-related complications still cause significant morbidity and mortality, resulting in the necessity to switch to haemodialysis (HD) treatment. Methods. Several catheter insertion techniques, using an open surgical approach, laparoscopic and percutaneous techniqu...

A voltage-island architecture for systems-on-chip is an effective way to reduce active and static power. For such multiple supply designs, various layout architectures exist; however, placement algorithms that take advantage of a circuit rows style of implementation are not available to designers today. This paper presents two algorithms to place standard cells in a circuit rows style of implem...