Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(In millions, except ratios)



|                                    |                                   |           |       |                                              |  |      |          |      |             |      |                                              |      |  |   |       |     |  |   |       |  |   |       |  |   |       |  |   |      
|----------------------------------- | --------------------------------- | --------- | ----- | -------------------------------------------- |  | ---- | -------- | ---- | ----------- | ---- | -------------------------------------------- | ---- |  | - | ----- | --- |  | - | ----- |  | - | ----- |  | - | ----- |  | - | -----
|                                    |                                   | Successor |       |                                              |  |      |          |      | Predecessor
|                                    | Three Months endedAugust 31, 2008 |           |       | Period fromJuly 12, 2007 throughMay 31, 2008 |  |      |          |      |             |      | Period fromJune 1, 2007 throughJuly 11, 2007 |      |  |   |       |     |  |   |       | 
|                                    |                                   |           |       |                                              |  | 2007 |          | 2006 |             | 2005 |                                              | 2004
|Earnings:                           |                                   |           |       |                                              |  |      |          |      |             |      |                                              |      |  |   |       |     |  |   |       |  |   |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |                                   | $         | (59.9 | )                                            |  | $    | (1,194.3 | )    |             |      |                                              |      |  | $ | (81.9 | )   |  | $ | 501.6 |  | $ | 611.0 |  | $ | 546.5 |  | $ | 500.7
|Add: Fixed charges (per below)      |                                   |           | 144.3 |                                              |  |      | 517.4    |      |             |      |                                              |      |  |   | 0.3   |     |  |   | 9.3   |  |   | 11.7  |  |   | 9.2   |  |   | 4.2  
|                                    |                                   |           |       |                                              |  |      |          |      |            
|Total earnings (loss)(1)            |                                   | $         | 84.4  |                                              |  | $    | (676.9   | )    |             |      |                                              |      |  | $ | (81.6 | )   |  | $ | 510.9 |  | $ | 622.7 |  | $ | 555.7 |  | $ | 504.9
|                                    |                                   |           |       |                                              |  |      |          |      |            
|Fixed charges:                      |                                   |           |       |                                              |  |      |          |      |             |      |                                              |      |  |   |       |     |  |   |       |  |   |       |  |   |       |  |   |      
|Interest expense, net               |                                   | $         | 141.1 |                                              |  | $    | 516.3    |      |             |      |                                              |      |  | $ | 0.3   |     |  | $ | 9.3   |  | $ | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|Amortization of bond premium        |                                   |           | 0.4   |                                              |  |      | 0.4      |      |             |      |                                              |      |  |   |      |     |  |   |      |  |   |      |  |   |      |  |   |     
|Deferred financing costs            |                                   |           | 2.8   |                                              |  |      | 0.7      |      |             |      |                                              |      |  |   |       |     |  |   |       |  |   |       |  |   |       |  |   |      
|                                    |                                   |           |       |                                              |  |      |          |      |             |      |                                              |      |  |   |       |     |  |   |       |  |   |       |  |   |       |  |   |      
|Total fixed charges                 |                                   | $         | 144.3 |                                              |  | $    | 517.4    |      |             |      |                                              |      |  | $ | 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 three months ended August 31, 2008 by $81.9 million, $1,194.3 million and $59.9 million, respectively.
|--- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------



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