Karlsson K, et al. - Authors assessed the occurrence and consequences of technical complications in implant-supported restorative therapy. Over a 5-year period, frequent occurrence of technical complications in implant-supported restorative therapy was seen. Professional intervention was required in their management. The strongest risk indicator for both chipping and loss of retention was the extent of the supraconstruction. Technical complications were experienced by more than 50% of the affected patients for more than once and almost all reported complications led to interventions by a dental professional.