FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 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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(Print or Type Responses)

1. Name and Address of Reporting Person * LORD JONATHAN T MD   2. Issuer Name and Ticker or Trading Symbol BIOLASE, INC [BIOL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 4 CROMWELL 3. Date of Earliest Transaction (Month/Day/Year) 04/18/2017 (Street) IRVINE, CA 92618 4. If Amendment, Date 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 (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 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

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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 Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: 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

Series D Participating Convertible Preferred Stock (1)

(2)

04/18/2017

P

768

(2)

(2)

Common Stock

76,800

$ 124

768

D

Warrants (right to buy) (1)

$ 1.8

04/18/2017

P

37,387

10/18/2017

04/18/2022

Common Stock

37,387

$ 0.125

37,387

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
LORD JONATHAN T MD 4 CROMWELL IRVINE, CA 92618	X

Signatures

s/ Michael C. Carroll, attorney-in-fact for Jonathan T. Lord		04/19/2017
**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)	These shares of Series D Participating Convertible Preferred Stock ("Preferred Stock") and Warrants were acquired by Jonathan T. Lord in a private placement with the Issuer that closed on April 18, 2017 (the "Closing").
(2)	Each share of Preferred Stock will initially be convertible into 100 shares of Common Stock ("Shares"), reflecting a conversion price equal to $1.24 per Share. The conversion of the Preferred Stock will occur automatically upon the Requisite Stockholder Approval (defined and described further in the Securities Purchase Agreement dated April 11, 2017 and filed as Exhibit 99.1 to the Current Report on Form 8-K filed by the Issuer on April 14, 2017), which is expected to occur after the Closing. The Preferred Stock has no expiration date.

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