Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(In millions, except ratios)



|                                    |  |                                  |       |     |                                    |   |                                            |  |   |          |     |                                            |  |  |      |       |      |  |      |       |  |   |       |  |   |      
|----------------------------------- |  | -------------------------------- | ----- | --- | ---------------------------------- | - | ------------------------------------------ |  | - | -------- | --- | ------------------------------------------ |  |  | ---- | ----- | ---- |  | ---- | ----- |  | - | ----- |  | - | -----
|                                    |  | Successor                        |       |     |                                    |   | Predecessor                               
|                                    |  | Six MonthsEndedNovember 30, 2008 |       |     | Three MonthsEndedNovember 30, 2008 |   | The Period FromJuly 12, 2007 -May 31, 2008 |  |   |          |     | The Period FromJune 1, 2007 -July 11, 2007 |  |  | 2007 |       | 2006 |  | 2005
|Earnings:                           |  |                                  |       |     |                                    |   |                                            |  |   |          |     |                                            |  |  |      |       |      |  |      |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                                | (98.8 | )   |                                    | $ | 80.0                                       |  | $ | (1,194.3 | )   |                                            |  |  | $    | (81.9 | )    |  | $    | 501.6 |  | $ | 611.0 |  | $ | 546.5
|Add: Fixed charges (per below)      |  |                                  | 362.1 |     |                                    |   | 220.8                                      |  |   | 603.1    |     |                                            |  |  |      | 0.3   |      |  |      | 9.3   |  |   | 11.7  |  |   | 9.2  
|Total earnings (loss)               |  | $                                | 263.3 |     |                                    | $ | 300.8                                      |  | $ | (591.2   | )   |                                            |  |  | $    | (81.6 | )    |  | $    | 510.9 |  | $ | 622.7 |  | $ | 555.7
|                                    |  |                                  |       |     |                                    |   |                                            | 
|Fixed charges:                      |  |                                  |       |     |                                    |   |                                            |  |   |          |     |                                            |  |  |      |       |      |  |      |       |  |   |       |  |   |      
|Interest expense, net               |  | $                                | 280.3 |     |                                    | $ | 139.2                                      |  | $ | 516.3    |     |                                            |  |  | $    | 0.3   |      |  | $    | 9.3   |  | $ | 11.7  |  | $ | 9.2  
|Amortization of bond premium        |  |                                  | 0.4   |     |                                    |   | 0.2                                        |  |   | 0.4      |     |                                            |  |  |      |      |      |  |      |      |  |   |      |  |   |     
|Deferred financing costs            |  |                                  | 81.4  |     |                                    |   | 81.4                                       |  |   | 86.4     |     |                                            |  |  |      |      |      |  |      |      |  |   |      |  |   |     
|                                    |  |                                  |       |     |                                    |   |                                            |  |   |          |     |                                            |  |  |      |       |      |  |      |       |  |   |       |  |   |      
|Total fixed charges                 |  | $                                | 362.1 |     |                                    | $ | 220.8                                      |  | $ | 603.1    |     |                                            |  |  | $    | 0.3   |      |  | $    | 9.3   |  | $ | 11.7  |  | $ | 9.2  
|                                    |  |                                  |       |     |                                    |   |                                            | 
|Ratio of earnings to fixed charges  |  |                                  | N/A   | (1) |                                    |   | 1.4                                        |  |   | N/A      | (1) |                                            |  |  |      | N/A   | (1)  |  |      | 54.9  |  |   | 53.2  |  |   | 60.4 



|(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 six months ended November 30, 2008 by $81.9 million, $1,194.3 million, and $98.8 million, respectively.
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