LONG ISLAND CITY, N.Y.--(BUSINESS WIRE)--Sirona (Nasdaq: SIRO), a leading global manufacturer of technologically advanced, high quality dental equipment, today announced that its Board of Directors has authorized a fair value option exchange program for the Company’s 2006 Equity Incentive Plan. This exchange program, which is only available to employees and eligible consultants, is expected to provide additional incentive and retention value.