Ownership Submission
FORM 5
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
Form 3 Holdings Reported
Form 4 Transactions Reported
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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1. Name and Address of Reporting Person *
Friedman Jonathan I
 2. Issuer Name and Ticker or Trading Symbol
SIRONA DENTAL SYSTEMS, INC. [siro] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
General Counsel and Secretary
(Last)
(First)
(Middle)

SIRONA DENTAL SYSTEMS, INC., 30-30 47TH AVENUE, SUITE 500		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
09/30/2009
(Street)


LONG ISLAND CITY, NY 11101		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Reporting
(check applicable line)

_X_ Form Filed by One Reporting Person
___ Form Filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Amount (A) or (D) Price

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
(A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Option (Right to buy) $ 29.91 01/21/2009   D4   40,000   (1) 09/17/2017 Common Stock
40,000
(2) 0
D
 
Options (Right to buy) $ 11.73 01/21/2009   A4 19,276     (3) 09/17/2017 Common Stock
19,276
(4) 0
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Friedman Jonathan I
SIRONA DENTAL SYSTEMS, INC.
30-30 47TH AVENUE, SUITE 500
LONG ISLAND CITY, NY 11101		       General Counsel and Secretary  

Signatures

Jonathan Friedman, by Michael Friedlander, Attorney 11/16/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The options vest as follows: 20,000 on 9/10/2009, 10,000 on 9/10/2010 and 10,000 on 9/10/2011.
(2) Exchanged for options to purchase 19,276 shares of common stock at $11.73 per share (reported below).
(3) The options vest as follows: 9,638 on 9/10/2010, 4,819 on 9/10/2011 and 4,819 on 9/10/2012.
(4) Exchanged for options to purchase 40,000 shares of common stock at 29.91 per share (reported above).

Note: File three copies of this Form, one of which must be manually signed. If space provided is insufficient, see Instruction 6 for procedure.

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