WASHINGTON, D.C. 20549

                                  SCHEDULE 13G
                                 (Rule 13d-102)

           TO RULES 13d-1(b),(c), AND (d) AND AMENDMENTS THERETO FILED
                             PURSUANT TO RULE 13d-2
                               (AMENDMENT NO. 1)

                                 Dentsply International Inc.
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                                (Name of Issuer)

                          Common Stock, $0.01 Par Value Per Share
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                         (Title of Class of Securities)

- --------------------------------------------------------------------------------
                                 (CUSIP Number)

- --------------------------------------------------------------------------------
             (Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

/X/   Rule 13d-1(b)
/  /  Rule 13d-1(c)
/  /  Rule 13d-1(d)

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*The remainder of this cover page shall be filled out for a reporting person's
initial filing on this form with respect to the subject class of securities, and
for any subsequent amendment containing information which would alter the
disclosures provided in a prior cover page.

The information required in the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the Securities Exchange Act of
1934 ("Act") or otherwise subject to the liabilities of that section of the Act
but shall be subject to all other provisions of the Act (however, see the

                                Page 1 of 4 Pages

CUSIP NO. 249030107 13G PAGE 2 OF 4 PAGES - -------------------------------------------------------------------------------- 1 NAME OF REPORTING PERSONS I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY) Massachusetts Financial Services Company ("MFS") I.R.S. Identification No.: 04-2747644 - -------------------------------------------------------------------------------- 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) / / (b) / / Not Applicable - -------------------------------------------------------------------------------- 3 SEC USE ONLY - -------------------------------------------------------------------------------- 4 CITIZENSHIP OR PLACE OF ORGANIZATION Delaware - -------------------------------------------------------------------------------- NUMBER OF 5 SOLE VOTING POWER SHARES 5,334,564 shares of common stock BENEFICIALLY - -------------------------------------------------------------------------------- OWNED BY 6 SHARED VOTING POWER EACH None - -------------------------------------------------------------------------------- REPORTING 7 SOLE DISPOSITIVE POWER PERSON 6,994,498 shares of common stock WITH - -------------------------------------------------------------------------------- 8 SHARED DISPOSITIVE POWER None - -------------------------------------------------------------------------------- 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 6,994,498 shares of common stock, of which shares are also beneficially owned by certain other non-reporting entities as well as MFS. - -------------------------------------------------------------------------------- 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* / / Not applicable - -------------------------------------------------------------------------------- 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 4.6 - -------------------------------------------------------------------------------- 12 TYPE OF REPORTING PERSON IA - --------------------------------------------------------------------------------

SCHEDULE 13G PAGE 3 OF 4 PAGES ITEM 1: (a) NAME OF ISSUER: SEE COVER PAGE (b) ADDRESS OF ISSUER'S PRINCIPAL EXECUTIVE OFFICES: 221 West Philadelphia Street PO Box 872 York, PA 17405 ITEM 2: (a) NAME OF PERSON FILING: See item 1 on page 2 (b) ADDRESS OF PRINCIPAL BUSINESS OFFICE OR, IF NONE, RESIDENCE: 500 Boylston Street Boston, MA 02116 (c) CITIZENSHIP: See Item 4 on page 2 (d) TITLE OF CLASS OF SECURITIES: See Cover Page (e) CUSIP NUMBER: See Cover Page ITEM 3: The person filing is an investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E) ITEM 4: OWNERSHIP (a) AMOUNT BENEFICIALLY OWNED: See Item 9 on page 2 (b) PERCENT OF CLASS: See Item 11 on page 2 (c) NUMBER OF SHARES AS TO WHICH SUCH PERSON HAS VOTING AND DISPOSITIVE POWERS (SOLE AND SHARED): See Items 5-8 on page 2

SCHEDULE 13G PAGE 4 OF 4 PAGES ITEM 5: OWNERSHIP OF FIVE PERCENT OR LESS OF A CLASS: If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than 5 percent of the class of securities, check the following /X/ ITEM 6: OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON: Not applicable ITEM 7: IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY: Not applicable ITEM 8: IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP: Not applicable ITEM 9: NOTICE OF DISSOLUTION OF GROUP: Not applicable ITEM 10: CERTIFICATIONS: By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect. SIGNATURE After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date: February 7, 2007 Massachusetts Financial Services Company By: /s/ JEREMY KREAM Jeremy Kream Vice President and Assistant Secretary