DENTSPLY INTERNATIONAL INC. EXHIBIT 11 COMPUTATION OF EARNINGS PER SHARE Earnings per common share: - -------------------------- Three Months Ended March 31, ------------------ 1998 1997 -------- -------- (in thousands, except per share data) Weighted average common shares outstanding Basic 54,124 53,847 Diluted 54,474 54,135 Net income $18,998 $16,924 Earnings per common share Basic $.35 $.31 Diluted $.35 $.31 18