Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to
Fixed Charges

(in millions, except ratios)



|                                    |  |                              |       |     |                                        |   |             |     |  |                                        |          |     |                     |  |      |   |       |     |  |   |       |  |   |       |  |   |      
|----------------------------------- |  | ---------------------------- | ----- | --- | -------------------------------------- | - | ----------- | --- |  | -------------------------------------- | -------- | --- | ------------------- |  | ---- | - | ----- | --- |  | - | ----- |  | - | ----- |  | - | -----
|                                    |  | Successor                    |       |     |                                        |   | Predecessor
|                                    |  | Six Months EndedNovember 30, |       |     | Period fromJuly 12, 2007 -May 31, 2008 |   |             |     |  | Period fromJune 1, 2007 -July 11, 2007 |          |     | Years Ended May 31,
|                                    |  | 2009                         |       |     | 2008                                   |   |             |     |  |                                        | 2006     |     | 2005                |  | 2004
|Earnings:                           |  |                              |       |     |                                        |   |             |     |  |                                        |          |     |                     |  |      |   |       |     |  |   |       |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                            | (73.5 | )   |                                        | $ | (163.9      | )   |  | $                                      | (1,194.3 | )   |                     |  |      | $ | (81.9 | )   |  | $ | 611.0 |  | $ | 546.5 |  | $ | 500.7
|                                    |  |                              |       |     |                                        |   |             |    
|Add: Fixed charges (per below)      |  |                              | 324.4 |     |                                        |   | 354.3       |     |  |                                        | 603.1    |     |                     |  |      |   | 0.3   |     |  |   | 11.7  |  |   | 9.2   |  |   | 4.2  
|                                    |  |                              |       |     |                                        |   |             |    
|Total earnings (loss)               |  | $                            | 250.9 |     |                                        | $ | 190.4       |     |  | $                                      | (591.2   | )   |                     |  |      | $ | (81.6 | )   |  | $ | 622.7 |  | $ | 555.7 |  | $ | 504.9
|                                    |  |                              |       |     |                                        |   |             |    
|Fixed charges:                      |  |                              |       |     |                                        |   |             |     |  |                                        |          |     |                     |  |      |   |       |     |  |   |       |  |   |       |  |   |      
|Interest expense                    |  | $                            | 261.6 |     |                                        | $ | 280.3       |     |  | $                                      | 516.3    |     |                     |  |      | $ | 0.3   |     |  | $ | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|Amortization of bond premium        |  |                              | 0.4   |     |                                        |   | 0.3         |     |  |                                        | 0.4      |     |                     |  |      |   |      |     |  |   |      |  |   |      |  |   |     
|Deferred financing costs            |  |                              | 62.4  |     |                                        |   | 73.7        |     |  |                                        | 86.4     |     |                     |  |      |   |      |     |  |   |      |  |   |      |  |   |     
|                                    |  |                              |       |     |                                        |   |             |     |  |                                        |          |     |                     |  |      |   |       |     |  |   |       |  |   |       |  |   |      
|Total fixed charges                 |  | $                            | 324.4 |     |                                        | $ | 354.3       |     |  | $                                      | 603.1    |     |                     |  |      | $ | 0.3   |     |  | $ | 11.7  |  | $ | 9.2   |  | $ | 4.2  
|                                    |  |                              |       |     |                                        |   |             |     |  |                                        |          |     |                     |  |      |   |       |     |  |   |       |  |   |       |  |   |      
|Ratio of earnings to fixed charges  |  |                              | N/A   | (1) |                                        |   | N/A         | (1) |  |                                        | N/A      | (1) |                     |  |      |   | N/A   | (1) |  |   | 53.2  |  |   | 60.4  |  |   | 120.2



|(1) | Earnings were inadequate to cover fixed charges for the six months ended November 30, 2009 and 2008, for the period July 12, 2007 through November 30,
2008, and for the period June 1, 2007 through July 11, 2007 by $73.5 million, $163.9 million, $1,194.3 million, and $81.9 million, respectively.
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