background: alveolar ridge preservation could be performed immediately following tooth extraction to limit dimensional changes of alveolar process due to bone resorption. the aim of this study was to compare the clinical and histologic outcomes of socket preservation using two different graft materials; deproteinized bovine bone mineral (dbbm) and demineralized freeze‑dried bone allograft (dfdb...

The features of bad flow unit continuity and multiple layers emphesize the importance of a well pattern design for the development of a fluvial-delta reservoir. It is proposed a method to predict well pattern connectivity (WPC) based on the exploration and evaluation of wells. Moreover, the method helps evaluate the risk of well placement. This study initially establishes the parameters for cha...

Background: Advocates of medial portal drilling claim that the transtibial technique results in a more vertical positioning of the graft, which could lead to subsequent failure and/or a residual pivot shift on postoperative examination. However, advocates of transtibial drilling state that with appropriate placement and adequate notchplasty, their technique places the graft in a more anatomical...

This report reviewed the published data concerning different methods for vertical augmentation of the posterior mandible for implant placement. The main purpose was to compare and contrast the different treatment methods, with a more detailed review of the use of the interpositional osteotomy to vertically augment the posterior mandible. After the data review, we present a case illustrating thi...

During suprapubic cystostomy using standard technique, there always remains a chance of accidental migration of foley catheter through bladder neck into prostatic urethra. We herein present a point of technique in which by keeping the direction of cannula slot toward umbilicus and making it vertical or slightly tilting its tip toward umbilicus during foley placement, prevents the inadvertent mi...

In Minecraft, circuits can be assembled from redstone components. We introduce PERSHING, a place and route tool that can transform a gate-level netlist into logic gates built of redstone in Minecraft, without the need for external Minecraft mods. We discuss challenges, such as vertical signal transmission, and the algorithms used to perform placement and routing. We show preliminary results, in...

background : retakes of intra oral radiographs happen frequently in dental practice although radiographic courses train dental students in consecutive semesters. to reduce the patient exposure as much as possible it is mandatory to reduce the number of retakes both in radiology clinics and educational centers. materials and methods : 3188 periapical radiographs taken by bisect-angle technique w...