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Misconduct: pressure to achieve corrodes ideals (2005)

Breitling, Lutz P.

[s.l.] : Nature Publishing Group

Nature 436 (2005), S. 626-626

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ISSN: 1476-4687

Source: Nature Archives 1869 - 2009

Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics

Notes: [Auszug] Sir Your News story “One in three scientists confesses to having sinned” (Nature 435, 718–719; 200510.1038/435718b) and the corresponding Commentary article, “Scientists behaving ...

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1038/436626d

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A novel computational method for real-time preoperative assessment of primary dental implant stability (2005)

Olsen, Sigbjørn ; Ferguson, Stephen J. ; Sigrist, Christian ; [et al.]

Oxford, UK : Munksgaard International Publishers

Clinical oral implants research 16 (2005), S. 0

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ISSN: 1600-0501

Source: Blackwell Publishing Journal Backfiles 1879-2005

Topics: Medicine

Notes: Abstract: A novel methodology which allows for fast and fully automatic structural analysis during preoperative planning for dental implant surgery is presented. This method integrates a fully automatic fast finite element solver within the framework of new concepts in computer-assisted preoperative planning for implant surgery. The planning system including optimized structural planning was validated by experimental results. Nine implants were placed in pig mandibles and mechanically loaded using a testing rig. The resulting displacements were measured and compared with those predicted by numerical analysis during planning. The results show that there were no statistically significant differences (P=0.65) between the results of the models and the experiments. The results show that fast structural analysis can be integrated with surgical planning software allowing the initial axial implant stability to be predicted in real time during planning. It is believed that such a system could be used to select patients for immediate implant loading and, when further developed, be useful in other areas of preoperative surgical planning.