SEC Form 4
FORM 4	UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL	

OMB Number:	
3235-0287	

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	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).	 	 	
1. Name and Address of Reporting Person *
Techno-Rov Holdings (1993) Ltd	

(Last)	
(First)	
(Middle)	

46 ROTHSCHILD BLVD	

ALROV TOWER, 16TH FLOOR	

(Street)
TEL AVIV, ISRAEL	
 	
66883	

(City)	
(State)	
(Zip)	

	2. Issuer Name and Ticker or Trading Symbol
ORTHODONTIX INC [ ORTX ]	5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
 	
Director	
X	
10% Owner	

 	
Officer (give title below)	
 	
Other (specify below)	

 	

 	 	
 	3. Date of Earliest Transaction (Month/Day/Year)
12/31/2006	 	 	 	
 	4. If Amendment, Date of Original Filed (Month/Day/Year)
	6. Individual or Joint/Group Filing (Check Applicable Line)
X	
Form filed by One Reporting Person	

 	
Form filed by More than One Reporting Person	

	 	 	
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 Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)	 	
 	 	 	Code	V	Amount	(A) or (D)	Price	 	 	 	 	 	 	
Common Stock	12/31/2006	 	A	 	6,186,046	A	(1)	6,186,046	I	By Corporation	 	 	 	
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 Securities Underlying Derivative Security (Instr. 3 and 4)	8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)	 	
 	 	 	 	Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	 	 	 	 	 	 	 	 	
Explanation of Responses:	
1. Received in exchange for 101,276 ordinary shares of Protalix Ltd. (Protalix) in connection wiht the the merger of Protalix into a wholly-owned subsidiary of Orthodontix, Inc.	
 	David Aviezer, Power of Attoney	01/05/2006	
 	** Signature of Reporting Person	Date	
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.	
* 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).	
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.	
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 Number.	

POWER OF ATTORNEY

KNOW ALL BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints David Aviezer, Ph.D., MBA and Yossi Maimon the
undersigned's true and lawful attorney-in-fact to: (i) execute for and on behalf
of the undersigned, Forms 3, 4, and 5 in accordance with Section 16(a) of the
Securities Exchange Act of 1934, as amended and the rules thereunder in
connection with the undersigned's holdings of and transactions in securities
issued by Orthodontix, Inc., a Florida corporation (the "Company"); (ii) do and
perform any and all acts for and on behalf of the undersigned which may be
necessary or desirable to complete and execute any such Form 3, 4, or 5 and
timely file such form with the United States Securities and Exchange Commission
and any required stock exchange or similar authority, including the American
Stock Exchange and (iii) take any other action of any type whatsoever in
connection with the foregoing which, in the opinion of such attorney-in-fact,
may be of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to this Power of Attorney
shall be in such form and shall contain such terms and conditions as such
attorney-in-fact may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to such attorney-in-fact full
power and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact's substitute or substitutes, shall lawfully do or cause to be
done by virtue of this power of attorney and the rights and powers herein
granted. The undersigned acknowledges that the foregoing attorney-in-fact, in
serving in such capacity at the request of the undersigned, is not assuming, nor
is the Company assuming, any of the undersigned's responsibilities to comply
with Section 16 of the Securities Exchange Act of 1934, as amended.

This Power of Attorney shall remain in full force and effect
until the undersigned is no longer required to file Forms 3, 4, and 5 with
respect to the undersigned's holdings of and transactions in securities issued
by the Company, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorney-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of December 12, 2006.

/s/ Amos Bar-Shalev
----------------------------------------
Name: Amos Bar-Shalev
Techno-Rov Holdings (1993) Ltd.