Exhibit 12

Biomet, Inc.

Computation of Ratio of Earnings to Fixed Charges

(in millions, except ratios)



|                                    |  |                        |        |     |                        |      |        |                                        |  |   |                                        |     |  |                    |       |     |  |   |       |  |   |      
|----------------------------------- |  | ---------------------- | ------ | --- | ---------------------- | ---- | ------ | -------------------------------------- |  | - | -------------------------------------- | --- |  | ------------------ | ----- | --- |  | - | ----- |  | - | -----
|                                    |  | Successor              |        |     | Predecessor           
|                                    |  | Year
EndedMay 31, 2010 |        |     | Year
EndedMay 31, 2009 |      |        | Period
fromJuly 12, 2007 -May 31, 2008 |  |   | Period
fromJune 1, 2007 -July 11, 2007 |     |  | Years EndedMay 31,
|                                    |  |                        |        |     |                        | 2007 |        | 2006                                  
|Earnings:                           |  |                        |        |     |                        |      |        |                                        |  |   |                                        |     |  |                    |       |     |  |   |       |  |   |      
|Earnings (loss) before income taxes |  | $                      | (141.7 | )   |                        | $    | (920.4 | )                                      |  | $ | (1,194.3                               | )   |  | $                  | (81.9 | )   |  | $ | 501.6 |  | $ | 611.0
|Add: Fixed charges (per below)      |  |                        | 516.4  |     |                        |      | 618.9  |                                        |  |   | 603.1                                  |     |  |                    | 0.3   |     |  |   | 9.3   |  |   | 11.7 
|Total earnings (loss)               |  | $                      | 374.7  |     |                        | $    | (301.5 | )                                      |  | $ | (591.2                                 | )   |  | $                  | (81.6 | )   |  | $ | 510.9 |  | $ | 622.7
|Fixed charges:                      |  |                        |        |     |                        |      |        |                                        |  |   |                                        |     |  |                    |       |     |  |   |       |  |   |      
|Interest expense (2)                |  | $                      | 516.4  |     |                        | $    | 618.9  |                                        |  | $ | 603.1                                  |     |  | $                  | 0.3   |     |  | $ | 9.3   |  | $ | 11.7 
|                                    |  |                        |        |     |                        |      |        |                                        |  |   |                                        |     |  |                    |       |     |  |   |       |  |   |      
|Total fixed charges                 |  | $                      | 516.4  |     |                        | $    | 618.9  |                                        |  | $ | 603.1                                  |     |  | $                  | 0.3   |     |  | $ | 9.3   |  | $ | 11.7 
|                                    |  |                        |        |     |                        |      |        |                                        |  |   |                                        |     |  |                    |       |     |  |   |       |  |   |      
|Ratio of earnings to fixed charges  |  |                        | N/A    | (1) |                        |      | N/A    | (1)                                    |  |   | N/A                                    | (1) |  |                    | N/A   | (1) |  |   | 54.9  |  |   | 53.2 



|(1) | Earnings were inadequate to cover fixed charges for the years ended May 31, 2010 and 2009, for the period July 12, 2007 through May 31, 2008, and for the
period June 1, 2007 through July 11, 2007 by $141.7 million, $920.4 million, $1,194.3 million, and $81.9 million, respectively.
|--- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

|(2) | Interest expense includes the amortization of deferred financing costs and bond premium.
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