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10 results on '"Van Zyl, Stephan"'

1. Masterclass in Clinical Practice.

Author

Snyman, Inus, Todorovic, Vladimir S., van Zyl, Stephan A., and van Zyl, Andre W.

Subjects
PRACTICE of dentistry, DENTAL education
Published
2024

2. Butt-joint versus Morse Taper abutment-implant connections.

Author

van Zyl, Andre W., van Zyl, Stephan A., and Todorovic, Vladimir S.

Subjects
DENTAL abutments, DENTAL implants, SOFT tissue infections
Abstract

This article discusses the different types of abutment-implant connections in dental implants, specifically focusing on the butt-joint and Morse Taper connections. The quality of the connection between the abutment and implant is crucial in preventing bacterial infiltration and subsequent bone loss and soft tissue infection. The Morse Taper connection, which forms a tight cold weld, is effective in preventing bacterial ingrowth and creating a stable connection. In contrast, the butt-joint connection allows bacteria to enter the implant, leading to potential complications. The article emphasizes the importance of choosing the appropriate abutment-implant connection to ensure successful implant treatment. [Extracted from the article]

Published
2024

9. Bridging the copper supply gap.

Author

Crooks, Scott, Lindley, Jonathan, Lipus, Dawid, Sellschop, Richard, Smit, Eugene, and van Zyl, Stephan

Subjects
COPPER, BUSINESS enterprises, SULFIDE ores, HEAP leaching, COPPER mining
Abstract

If the potential production uplift is extended across all metals produced from sulfide ores using a similar production process, while valued at forecast market prices (minus additional processing costs), an annual value pool of $20 billion to $85 billion emerges. Likewise, sulfide leaching offers the possibility of an incremental, low-capital-expenditure approach to the development of low-grade copper deposits that previously required the construction of capital-intensive concentrators. Sulfide leaching Leaching-based technologies have traditionally been applied to oxide or secondary sulfide ore bodies. [Extracted from the article]

Published
2023

10. 1755 PROSPECTIVE COMPARISON OF OPEN AND ROBOT-ASSISTED LAPAROSCOPIC RADICAL PROSTATECTOMY: RESULTS FROM THE UNIVERSITY OF ALBERTA RADICAL PROSTATECTOMY DATABASE

Author

Fairey, Adrian, primary, Hobart, Michael, additional, Bochinski, Derek, additional, Evans, Howard, additional, Chetner, Michael, additional, Jacobsen, Neils-Erik, additional, Mador, David, additional, Rourke, Keith, additional, Van Zyl, Stephan, additional, Voaklander, Don, additional, Zorn, Jeff, additional, Roy, Joey, additional, and Estey, Eric, additional

Published
2010
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