Microquasars are accreting black holes or neutron stars in binary systems with associated relativistic jets. Despite their frequent outburst activity, they have never been unambiguously detected emitting high-energy gamma rays. The Fermi Large Area Telescope (LAT) has detected a variable high-energy source coinciding with the position of the x-ray binary and microquasar Cygnus X-3. Its identification with Cygnus X-3 is secured by the detection of its orbital period in gamma rays, as well as the correlation of the LAT flux with radio emission from the relativistic jets of Cygnus X-3. The gamma-ray emission probably originates from within the binary system, opening new areas in which to study the formation of relativistic jets

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Initial attempts to fabricate complete dentures (CDs) with computer-aided design and computer-aided manufacturing (CAD-CAM) technology began in the 1990s 1-3 ; since then, there has been an evolution of the techniques and the associated technologies. 4-10 The infusion of CAD-CAM techniques into CD fabrication methods has led to the evolution of modified and easier clinical protocols, 11,12 the use of materials with improved properties, 13-18 better fit and retention of the CDs, 19-29 reduction in the chairside and laboratory times, 12,30-32 and overall reduction in clinical and laboratory costs. 30 High patient and clinician satisfaction with CAD-CAM CDs has been reported. 33-35 The CAD-CAM clinical protocols used are modified versions of the conventional clinical steps followed during the fabrication of CDs. Although promoted by various manufacturers as being more straightforward and easier, the CAD-CAM protocols require extended time to learn the procedure and to digitize the analog clinical procedures. 34,36 Elaborate instruments, depending on the manufacturing system, are often required to carry out these novel clinical protocols.

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