UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q/A

(Amendment No. 1)

For the quarterly period ended February 28, 2014.

OR

For the transition period from                      to                     .

Commission File Number 000-54505

Commission File Number 001-15601

LVB ACQUISITION, INC.

BIOMET, INC.

(Exact name of registrant as specified in its charter)

(574) 267-6639

(Registrant’s telephone number, including area code)

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.

LVB ACQUISITION, INC.    Yes  x    No  ¨

BIOMET, INC.    Yes  x    No  ¨

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

LVB ACQUISITION, INC.    Yes  x    No  ¨

BIOMET, INC.    Yes  x    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, or a smaller reporting company. See the definitions of “large accelerated filer,” “accelerated filer” and “smaller reporting company” in Rule 12b–2 of the Exchange Act. (Check one):

LVB ACQUISITION, INC.

BIOMET, INC.

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

LVB ACQUISITION, INC.    Yes  ¨    No  x

BIOMET, INC.    Yes  ¨    No  x

The number of shares of the registrants’ common stock outstanding as of March 31, 2014:

LVB ACQUISITION, INC.                 552,401,196 shares of common stock

BIOMET, INC.                                    1,000 shares of common stock

EXPLANATORY NOTE

The sole purpose of this Amendment No. 1 to LVB Acquisition, Inc. (“LVB”) and Biomet, Inc.’s (“Biomet”) Form 10-Q for the period ended February 28, 2014, filed with the Securities and Exchange Commission (the “SEC”) on April 7, 2014 (the “Original 10-Q”), is to amend Part II Item 2. “Unregistered Sales of Equity Securities and Use of Proceeds.”

In accordance with applicable SEC rules, this Amendment includes new certifications required under the Securities and Exchange Act of 1934, as amended, dated as of the filing date of this Amendment.

Except for the item amended in this Amendment described above, we have not updated items in this Amendment to reflect events occurring after the Original 10-Q date. Accordingly, this Amendment should be read in conjunction with the Original 10-Q and LVB and Biomet’s subsequent filings with the SEC.

PART II. OTHER INFORMATION

Sales of unregistered securities.

The following table provides information regarding LVB’s sale of common shares in connection with the exercise by certain holders of options issued pursuant to its 2007 Management Equity Incentive Plan during the fiscal year to date. In each sale, the exercise price paid was $7.88 per share for an aggregate offering price of $627,382. The sales were exempt from registration under Section 4(a)(2) of the Securities Act. Biomet had no sales of equity securities in this period.

Issuer purchases of equity securities

None.

(a) Exhibits. See Index to Exhibits.

Signatures

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, LVB Acquisition, Inc. and Biomet, Inc. have duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

LVB ACQUISITION, INC.

BIOMET, INC.

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