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UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington , D.C. 20549 FORM 10 - K ANNUAL REPORT PURSUANT TO SECTION 13 OR 15 ( d ) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31 , 2020 Commission File Number 0-16211 DENTSPLY SIRONA Inc. ( Exact name of registrant as specified in its charter ) Delaware ( State or other jurisdiction of incorporation or organization ) 13320 Ballantyne Corporate Place , Charlotte , North Carolina ( Address of principal executive offices ) Title of each class Common Stock , par value $ .01 per share XRAY Registrant's telephone number , including area code : ( 844 ) 848-0137 Securities registered pursuant to Section 12 ( b ) of the Act : Trading Symbol 39-1434669 ( I.R.S. Employer Identification No. ) 28277-3607 ( Zip Code ) Name of each exchange on which registered The Nasdaq Stock Market LLC Indicate by check mark if the registrant is a well - known seasoned issuer , as defined in Rule 405 of the Securities Act . No o Yes X Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15 ( d ) of the Act . Yes o No X 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 ject to such filing requirements for the past 90 days . Yes X No o Indicate by check mark whether the Registrant has submitted electronically every Interactive Data File required to be submitted 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 such files ) . Yes X No o Indicate by check mark whether the registrant is a large accelerated filer , an accelerated filer , a non - accelerated filer , a smaller reporting company , or an emerging growth company . See the definitions of " large accelerated filer , " " accelerated filer , " " smaller reporting company " and " emerging growth company " in Rule 12b - 2 of the Exchange Act . Accelerated Filer o Non - Accelerated Filer o Smaller Reporting Company Large Accelerated Filer X Emerging Growth Company If an emerging growth company , indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13 ( a ) of the Exchange Act . o DOCUMENTS INCORPORATED BY REFERENCE 1 Indicate by check mark whether the registrant has filed a report on and attestation to its management's assessment of the effectiveness of its internal control over financial reporting under Section 404 ( b ) of the Sarbanes - Oxley Act ( 15 U.S.C.7262 ( b ) ) by the registered public accounting firm that prepared or issued its audit report . Indicate by check mark whether the registrant is a shell company ( as defined in Rule 12b - 2 of the Act ) Yes The aggregate market value of the voting common stock held by non - affiliates of the registrant computed by reference to the closing price as of the last business day of the registrant's most recently completed second quarter ended June 30 , 2020 , was $ 9,605,744,689 . Based on the closing price on June 30 , 2020. For purpose of this calculation only , without determining whether the following are affiliates of the registrant , the registrant has assumed that ( i ) its directors and executive officers are affiliates , and ( ii ) no party who has filed a Schedule 13D or 13G is an affiliate . The number of shares of the registrant's common stock outstanding as of the close of business on February 19 , 2021 was 219,048,498 . No x Certain portions of the definitive Proxy Statement of DENTSPLY SIRONA Inc. ( the " Proxy Statement " ) to be used in connection with the 2021 Annual Meeting of Stockholders are incorporated by reference into Part III of this Form 10 - K to the extent provided herein . Except as specifically incorporated by reference herein the Proxy Statement is not deemed to be filed as part of this Form 10 - K .