Pennsylvania-Based Dentsply With A Manufacturing Site In Johnson City Has Announced A 5.5 Billion Dollar Deal To Merge With Sirona Dental Systems. The New Company Will Retain Dentsply’s U.S. Headquarters In Pennsylvania, And Will Occupy Sirona’s European Base In Austria As Its International Headquarters. This Merger Will Make The Company The World’s Largest Dental Equipment Producer. This Isn’t Expected To Have Any Negative Effect On Local Jobs.