EXHIBIT 11 	NATIONAL DENTEX CORPORATION 	COMPUTATION OF NET INCOME PER SHARE Three Months Ended 1995 1996 Computation of Primary Net Income per Share: Net Income applicable to common stock $706,897 826,812 Shares: Weighted average common shares outstanding 3,095,619 3,341,119 Add: Shares issuable from assumed exercise of options and warrants (as determined by the application of the treasury stock method) 249,990 161,947 Weighted average common shares outstanding as adjusted 3,345,609 3,503,066 Primary net income per share $0.21 $0.24 Three Months Ended 1995 1996 Computation of Fully Diluted Net Income Per Share: Net income per primary computation above 706,897 $826,812 Shares: Weighted average common shares outstanding 3,095,619 3,341,119 Add: Shares issuable from assumed exercise of options and warrants (as determined by the application of the treasury stock method) 261,881 161,947 Weighted average common shares outstanding as adjusted 3,357,500 3,503,066 Fully diluted net income per share $0.21 $0.24