Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(In millions, except ratios)



|                                    |  |                        |        |     |                             |   |             |     |  |                             |  |   |                     |     |      |   |       |  |      |       |  |   |       |  |   |      
|----------------------------------- |  | ---------------------- | ------ | --- | --------------------------- | - | ----------- | --- |  | --------------------------- |  | - | ------------------- | --- | ---- | - | ----- |  | ---- | ----- |  | - | ----- |  | - | -----
|                                    |  | Successor              |        |     |                             |   | Predecessor
|                                    |  |                        |        |     | Period from                 |   |             |     |  | Period from                 |  |   | Years
Ended May 31,
|                                    |  | Year EndedMay 31, 2009 |        |     | July 12, 2007 -May 31, 2008 |   |             |     |  | June 1, 2007 -July 11, 2007 |  |   | 2007                |     | 2006 |   | 2005  |  | 2004
|Earnings:                           |  |                        |        |     |                             |   |             |     |  |                             |  |   |                     |     |      |   |       |  |      |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                      | (920.4 | )   |                             | $ | (1,194.3    | )   |  |                             |  | $ | (81.9               | )   |      | $ | 501.6 |  | $    | 611.0 |  | $ | 546.5 |  | $ | 500.7
|Add: Fixed charges (per below)      |  |                        | 618.9  |     |                             |   | 603.1       |     |  |                             |  |   | 0.3                 |     |      |   | 9.3   |  |      | 11.7  |  |   | 9.2   |  |   | 4.2  
|                                    |  |                        |        |     |                             |   |             |     |  |                             |  |   |                     |     |      |   |       |  |      |       |  |   |       |  |   |      
|Total earnings (loss)               |  | $                      | (301.5 | )   |                             | $ | (591.2      | )   |  |                             |  | $ | (81.6               | )   |      | $ | 510.9 |  | $    | 622.7 |  | $ | 555.7 |  | $ | 504.9
|                                    |  |                        |        |     |                             |   |             |    
|Fixed charges:                      |  |                        |        |     |                             |   |             |     |  |                             |  |   |                     |     |      |   |       |  |      |       |  |   |       |  |   |      
|Interest expense                    |  | $                      | 550.3  |     |                             | $ | 516.3       |     |  |                             |  | $ | 0.3                 |     |      | $ | 9.3   |  | $    | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|Amortization of bond premium        |  |                        | 0.5    |     |                             |   | 0.4         |     |  |                             |  |   | -                   |     |      |   | -     |  |      | -     |  |   | -     |  |   | -    
|Deferred financing costs            |  |                        | 68.1   |     |                             |   | 86.4        |     |  |                             |  |   | -                   |     |      |   | -     |  |      | -     |  |   | -     |  |   | -    
|                                    |  |                        |        |     |                             |   |             |     |  |                             |  |   |                     |     |      |   |       |  |      |       |  |   |       |  |   |      
|Total fixed charges                 |  | $                      | 618.9  |     |                             | $ | 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 year ended May 31, 2009, for the period July 12, 2007 through May 31, 2008, and for the period June 1,
2007 through July 11, 2007 by $920.4 million, $1,194.3 million, and $81.9 million, respectively.
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