Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges



|                                    |  |                        |          |     |                        |   |             |                        |  |   |                                        |     |  |   |          |                                        |  |  |                        |   |       |     |  |   |       | 
|----------------------------------- |  | ---------------------- | -------- | --- | ---------------------- | - | ----------- | ---------------------- |  | - | -------------------------------------- | --- |  | - | -------- | -------------------------------------- |  |  | ---------------------- | - | ----- | --- |  | - | ----- | 
|                                    |  | Successor              |          |     |                        |   | Predecessor |                       
|(in millions, except ratios)        |  | Year EndedMay 31, 2011 |          |     | Year EndedMay 31, 2010 |   |             | Year EndedMay 31, 2009 |  |   | Period fromJuly 12, 2007 -May 31, 2008 |     |  |   |          | Period fromJune 1, 2007 -July 11, 2007 |  |  | Year EndedMay 31, 2007 |  
|Earnings:                           |  |                        |          |     |                        |   |             |                        |  |   |                                        |     |  |   |          |                                        |  |  |                        |   |       |     |  |   |       | 
|Earnings (loss) before income taxes |  | $                      | (1,064.6 | )   |                        | $ | (141.7      | )                      |  | $ | (920.4                                 | )   |  | $ | (1,194.3 | )                                      |  |  |                        | $ | (81.9 | )   |  | $ | 501.6 | 
|Add: Fixed charges (per below)      |  |                        | 498.9    |     |                        |   | 516.4       |                        |  |   | 618.9                                  |     |  |   | 603.1    |                                        |  |  |                        |   | 0.3   |     |  |   | 9.3   | 
|Total earnings (loss)               |  | $                      | (565.7   | )   |                        | $ | 374.7       |                        |  | $ | (301.5                                 | )   |  | $ | (591.2   | )                                      |  |  |                        | $ | (81.6 | )   |  | $ | 510.9 | 
|Fixed charges:                      |  |                        |          |     |                        |   |             |                        |  |   |                                        |     |  |   |          |                                        |  |  |                        |   |       |     |  |   |       | 
|Interest expense(2)                 |  | $                      | 498.9    |     |                        | $ | 516.4       |                        |  | $ | 618.9                                  |     |  | $ | 603.1    |                                        |  |  |                        | $ | 0.3   |     |  | $ | 9.3   | 
|                                    |  |                        |          |     |                        |   |             |                        |  |   |                                        |     |  |   |          |                                        |  |  |                        |   |       |     |  |   |       | 
|Total fixed charges                 |  | $                      | 498.9    |     |                        | $ | 516.4       |                        |  | $ | 618.9                                  |     |  | $ | 603.1    |                                        |  |  |                        | $ | 0.3   |     |  | $ | 9.3   | 
|                                    |  |                        |          |     |                        |   |             |                        |  |   |                                        |     |  |   |          |                                        |  |  |                        |   |       |     |  |   |       | 
|Ratio of earnings to fixed charges  |  |                        | N/A      | (1) |                        |   | N/A         | (1)                    |  |   | N/A                                    | (1) |  |   | N/A      | (1)                                    |  |  |                        |   | N/A   | (1) |  |   | 54.9  | 





|(1) | Earnings were inadequate to cover fixed charges for the years ended May 31, 2011, 2010, 2009, for the period July 12, 2007 through May 31, 2008, and for
the period June 1, 2007 through July 11, 2007 by $1,064.6 million, $141.7 million, $920.4 million, $1,194.3 million, and $81.9 million, respectively.
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|(2) | Interest expense includes the amortization of deferred financing costs and bond premium.
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