Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(in millions, except ratios)



|                                    |  |                                   |        |     |                                        |   |          |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|----------------------------------- |  | --------------------------------- | ------ | --- | -------------------------------------- | - | -------- | --- |  | -------------------------------------- |  | - | ----- | --- | ---- | - | ----- |  | ---- | ----- |  | - | ----- |  | - | -----
|                                    |  | Nine MonthsEndedFebruary 28, 2009 |        |     | Period fromJuly 12, 2007 -May 31, 2008 |   |          |     |  | Period fromJune 1, 2007 -July 11, 2007 |  |   | 2007  |     | 2006 |   | 2005  |  | 2004
|Earnings:                           |  |                                   |        |     |                                        |   |          |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                                 | (684.0 | )   |                                        | $ | (1,194.3 | )   |  |                                        |  | $ | (81.9 | )   |      | $ | 501.6 |  | $    | 611.0 |  | $ | 546.5 |  | $ | 500.7
|                                    |  |                                   |        |     |                                        |   |          |    
|Add: Fixed charges (per below)      |  |                                   | 483.9  |     |                                        |   | 603.1    |     |  |                                        |  |   | 0.3   |     |      |   | 9.3   |  |      | 11.7  |  |   | 9.2   |  |   | 4.2  
|                                    |  |                                   |        |     |                                        |   |          |    
|Total earnings (loss)               |  | $                                 | (200.1 | )   |                                        | $ | (591.2   | )   |  |                                        |  | $ | (81.6 | )   |      | $ | 510.9 |  | $    | 622.7 |  | $ | 555.7 |  | $ | 504.9
|                                    |  |                                   |        |     |                                        |   |          |    
|Fixed charges:                      |  |                                   |        |     |                                        |   |          |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|Interest expense, net               |  | $                                 | 412.6  |     |                                        | $ | 516.3    |     |  |                                        |  | $ | 0.3   |     |      | $ | 9.3   |  | $    | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|Amortization of bond premium        |  |                                   | 0.4    |     |                                        |   | 0.4      |     |  |                                        |  |   |      |     |      |   |      |  |      |      |  |   |      |  |   |     
|Deferred financing costs            |  |                                   | 70.9   |     |                                        |   | 86.4     |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|                                    |  |                                   |        |     |                                        |   |          |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|Total fixed charges                 |  | $                                 | 483.9  |     |                                        | $ | 603.1    |     |  |                                        |  | $ | 0.3   |     |      | $ | 9.3   |  | $    | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|                                    |  |                                   |        |     |                                        |   |          |     |  |                                        |  |   |       |     |      |   |       |  |      |       |  |   |       |  |   |      
|                                    |  |                                   |        |     |                                        |   |          |    
|Ratio of earnings to fixed charges  |  |                                   | N/A    | (1) |                                        |   | N/A      | (1) |  |                                        |  |   | N/A   | (1) |      |   | 54.9  |  |      | 53.2  |  |   | 60.4  |  |   | 120.2



|(1) | Earnings were inadequate to cover fixed charges for the period from June 1, 2007 through July 11, 2007, the period from July 12, 2007 through May 31, 2008, and
the nine months ended February 28, 2009 by $81.9 million, $1,194.3 million, $684.0 million, respectively.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------