Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(In millions, except ratios)



|                                    |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |       |  |   |       |  |   |       |  |   |       |  |   |      
|----------------------------------- |  | -------------------------------------------- | -------- | --- | ---- |  | -------------------------------------------- | - | ----- | ------------------- | ---- | - | ----- |  | - | ----- |  | - | ----- |  | - | ----- |  | - | -----
|                                    |  | Successor                                    |          |     |      |  | Predecessor                                 
|                                    |  | Period fromJuly 12, 2007 throughMay 31, 2008 |          |     |      |  | Period fromJune 1, 2007 throughJuly 11, 2007 |   |       | Years Ended May 31,
|                                    |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |      
|                                    |  |                                              |          |     | 2007 |  | 2006                                         |   | 2005  |                     | 2004 |   | 2003 
|Earnings:                           |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |       |  |   |       |  |   |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                                            | (1,194.3 | )   |      |  |                                              | $ | (81.9 | )                   |      | $ | 501.6 |  | $ | 611.0 |  | $ | 546.5 |  | $ | 500.7 |  | $ | 451.7
|Add: Fixed charges (per below)      |  |                                              | 603.1    |     |      |  |                                              |   | 0.3   |                     |      |   | 9.3   |  |   | 11.7  |  |   | 9.2   |  |   | 4.2   |  |   | 4.4  
|                                    |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |       |  |   |       |  |   |       |  |   |       |  |   |      
|Total earnings (loss)               |  | $                                            | (591.2   | )   |      |  |                                              | $ | (81.6 | )                   |      | $ | 510.9 |  | $ | 622.7 |  | $ | 555.7 |  | $ | 504.9 |  | $ | 456.1
|Fixed charges:                      |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |       |  |   |       |  |   |       |  |   |       |  |   |      
|Interest expense                    |  | $                                            | 516.3    |     |      |  |                                              | $ | 0.3   |                     |      | $ | 9.3   |  | $ | 11.7  |  | $ | 9.2   |  | $ | 4.2   |  | $ | 4.4  
|Amortization of bond premium        |  |                                              | 0.4      |     |      |  |                                              |   |      |                     |      |   |      |  |   |      |  |   |      |  |   |      |  |   |     
|Deferred financing costs            |  |                                              | 86.4     |     |      |  |                                              |   |      |                     |      |   |      |  |   |      |  |   |      |  |   |      |  |   |     
|                                    |  |                                              |          |     |      |  |                                              |   |       |                     |      |   |       |  |   |       |  |   |       |  |   |       |  |   |      
|Total fixed charges                 |  | $                                            | 603.1    |     |      |  |                                              | $ | 0.3   |                     |      | $ | 9.3   |  | $ | 11.7  |  | $ | 9.2   |  | $ | 4.2   |  | $ | 4.4  
|Ratio of earnings to fixed charges  |  |                                              | N/A      | (1) |      |  |                                              |   | N/A   | (1)                 |      |   | 54.9  |  |   | 53.2  |  |   | 60.4  |  |   | 120.2 |  |   | 103.7



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