DENTSPLY INTERNATIONAL INC. EXHIBIT 11 COMPUTATION OF EARNINGS PER COMMON SHARE Earnings per common share: - -------------------------- Three Months Ended Nine Months Ended September 30, September 30, ------------------ ------------------- 1997 1996 1997 1996 -------- -------- -------- -------- (in thousands, except per share data) Weighted average common shares outstanding 53,979 53,784 53,906 53,898 Net income $16,256 $13,873 $51,023 $46,630 Earnings per common share $.30 $.26 $.95 $.87 19