Porcelain denture maker Cem Piskin demonstrates the adjustment of a Nobel Biocare aesthetic abutment on a moulding in his laboratory in Lausanne May 14, 2013. Nobel Biocare Holding AG is trying to regain its initial success after seeing its profits and image hit in recent years, as many European consumers stopped spending on cosmetic dentistry during the financial crisis and rivals pushed ahead with cheaper options. Picture taken May 14. To match story NOBELBIOCARE-TURNAROUND/ REUTERS/Denis Balibouse (SWITZERLAND - Tags: SCIENCE TECHNOLOGY HEALTH BUSINESS)