Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Augins Michael
 2. Date of Event Requiring Statement (Month/Day/Year)
03/01/2015		 3. Issuer Name and Ticker or Trading Symbol
SIRONA DENTAL SYSTEMS, INC. [SIRO]
(Last)
(First)
(Middle)
SIRONA DENTAL SYSTEMS, INC., 30-30 47TH AVENUE, SUITE 500		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

LONG ISLAND CITY, NY 11101		 6. Individual or Joint/Group Filing(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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 23,000 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Options (Right to buy)   (2) 11/22/2021 Common Stock 3,500 $ 40.03 D  
Options (Right to buy)   (3) 11/20/2022 Common Stock 7,500 $ 62.2 D  
Options (Right to buy)   (4) 11/26/2023 Common Stock 5,000 $ 67.59 D  
Options (Right to buy)   (5) 11/25/2024 Common Stock 10,000 $ 86 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Augins Michael
SIRONA DENTAL SYSTEMS, INC.
30-30 47TH AVENUE, SUITE 500
LONG ISLAND CITY, NY 11101		       Executive Vice President  

Signatures

Michael Augins, by Michael Friedlander, Attorney 03/11/2015
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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 total directly held by the reporting person includes 11,849 RSUs and 2,000 PSUs.
(2) Stock options underlying 1,750 shares vested on 11/22/2014 and stock options underlying 1,750 shares will vest on 11/22/2015.
(3) Stock options underlying 2,500 shares vested on 11/20/2014 and stock options underlying 2,500 shares will vest on each of 11/20/2015 and 11/20/2016.
(4) Stock options vest as follows: 1/4 on 11/26/2014, 1/4 on 11/26/2015, 1/4 on 11/26/2016 and the final 1/4 on 11/26/2017.
(5) Stock options shall vest as follows: 1/4 on 11/25/2015, 1/4 on 11/25/2016, 1/5 on 11/25/2017, 1/5 on 11/25/2018 and the final 1/10 on 11/25/2019.
 
Remarks:
Exhibit List - Exhibit 24, Power of Attorney

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