UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549


                                  SCHEDULE 13G


                    Under the Securities Exchange Act of 1934
                               (Amendment No. 2)*

                      ORTHODONTIC CENTERS OF AMERICA, INC.
                                (Name of Issuer)

                          Common Stock, $.01 par value
                         (Title of Class of Securities)

                                   68750P 10 3
                                 (CUSIP Number)


                                December 31, 2001
             (Date of Event which Requires filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule
is filed:

        [ ]  Rule 13d-1(b)
        [x]  Rule 13d-1(c)
        [ ]  Rule 13d-1(d)

*    The remainder of this cover page shall be filled out for a reporting
     person's initial filing on this form with respect to the subject class of
     securities, and for any subsequent amendment containing information which
     would alter the disclosures provided in a prior cover page.

     The information required in the remainder of this cover page shall not be
     deemed to be "filed" for the purpose of Section 18 of the Securities
     Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of
     that section of the Act but shall be subject to all other provisions of the
     Act (however, see the Notes).





CUSIP No. 68750P 10 3

________________________________________________________________________________
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)

     Thomas W. Smith
________________________________________________________________________________
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                (a) [ ]
                                                                (b) [x]
________________________________________________________________________________
3    SEC USE ONLY


________________________________________________________________________________
4    CITIZEN OR PLACE OF ORGANIZATION

     United States
________________________________________________________________________________
   NUMBER OF        5   SOLE VOTING POWER

     SHARES             614,620
                    ____________________________________________________________
  BENEFICIALLY      6   SHARED VOTING POWER

  OWNED BY EACH         2,506,200
                    ____________________________________________________________
    REPORTING       7   SOLE DISPOSITIVE POWER

     PERSON             614,620

                    ____________________________________________________________
      WITH          8   SHARED DISPOSITIVE POWER

                        2,506,200
________________________________________________________________________________
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON


     3,120,820
________________________________________________________________________________
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

     Not Applicable
________________________________________________________________________________
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     6.2%
________________________________________________________________________________
12   TYPE OF REPORTING PERSON

     IN
________________________________________________________________________________


                                       -2-



CUSIP No. 68750P 10 3


________________________________________________________________________________
1    NAMES OF REPORTING PERSONS
     I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (entities only)

     Thomas N. Tryforos

________________________________________________________________________________
2    CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
                                                                (a) [ ]
                                                                (b) [x]
________________________________________________________________________________
3    SEC USE ONLY


________________________________________________________________________________
4    CITIZEN OR PLACE OF ORGANIZATION

     United States
________________________________________________________________________________
  NUMBER OF    5   SOLE VOTING POWER

   SHARES          0
               _________________________________________________________________
 BENEFICIALLY  6   SHARED VOTING POWER

OWNED BY EACH      2,506,200
               _________________________________________________________________
 REPORTING     7   SOLE DISPOSITIVE POWER

  PERSON           0
               _________________________________________________________________
   WITH        8  SHARED DISPOSITIVE POWER

                  2,506,200
________________________________________________________________________________
9    AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

     2,506,200
________________________________________________________________________________
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES

     Not Applicable
________________________________________________________________________________
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9

     5.0%
________________________________________________________________________________
12   TYPE OF REPORTING PERSON

     IN
________________________________________________________________________________


                                       -3-



ITEM 1. (a)  Name of Issuer:

             Orthodontic Centers of America, Inc.

        (b)  Address of Issuer's Principal Executive Offices:

             3850 North Causeway Boulevard
             Suite 1040
             Matairie Louisiana 70002

ITEM 2. (a)  Name of Person Filing:

             (i)  Thomas W. Smith

             (ii) Thomas N. Tryforos

             The filing of this Statement shall not be deemed to be an admission
             that the filing persons comprise a "group" within the meaning of
             Section 13(d)(3) of the Securities Exchange Act of 1934, as
             amended.

        (b)  Address of Principal Business Office:

             The following is the address of the principal business office of
             each of the filing persons:

             323 Railroad Avenue
             Greenwich, CT  06830

        (c)  Citizenship:

             Each of Messrs. Thomas W. Smith and Thomas N. Tryforos is a United
             States citizen.

        (d)  Title of Class of Securities:

             Common Stock, par value $.01 per share.

        (e)  CUSIP Number:

             68750P 10 3

ITEM 3. If this Statement is filed pursuant to Rules 13d-1(b) or 13d-2(b)
        or (c), check whether the person filing is a:

        Not applicable.

        If this Statement is filed pursuant to Rule 13d-1(c), check this box [x]

                                      -4-




ITEM 4.  Ownership

         (a)   Thomas W. Smith - 3,120,820 shares; Thomas N. Tryforos -
               2,506,200 shares

         (b)  Thomas W. Smith - 6.2%; Thomas N. Tryforos - 5.0%

         (c)  Each of Thomas W. Smith and Thomas N. Tryforos has shared power
              to vote or to direct the vote and shared power to dispose or to
              direct the disposition of 2,506,200 shares; Thomas W. Smith has
              sole power to vote and dispose of 614,620 shares, and Thomas N.
              Tryforos has the sole power to vote and dispose of no shares.

ITEM 5.  Ownership of Five Percent or Less of a Class

              Not applicable.

ITEM 6.  Ownership of More than Five Percent on Behalf of Another Person

         Messrs. Smith and Tryforos in the aggregate beneficially own 2,820,820
         shares in their capacities as investment managers for certain managed
         accounts. The managed accounts have the right to receive dividends
         from, and the proceeds from the sale of, the managed accounts' shares.

ITEM 7.  Identification and Classification of the Subsidiary Which Acquired the
         Security Being Reported on By the Parent Holding Company

         Not applicable.

ITEM 8.  Identification and Classification of Members of the Group

         Not applicable.

ITEM 9.  Notice of Dissolution of Group

         Not applicable.

ITEM 10. Certification

         By signing below, I certify that, to the best of my knowledge and
         belief, the securities referred to above were not acquired and are not
         held for the purpose of or with the effect of changing or influencing
         the control of the issuer of the securities and were not acquired and
         are not held in connection with or as a participant in any transaction
         having that purpose or effect.

                                      -5-



                                    Signature


     After reasonable inquiry and to the best of my knowledge and belief, I
certify that the information set forth in this statement is true, complete and
correct.

Date:  February 14, 2002


                                                     /s/ Thomas W. Smith
                                                     ---------------------------
                                                     Thomas W. Smith


                                                     /s/ Thomas N. Tryforos
                                                     ---------------------------
                                                     Thomas N. Tryforos


                                      -6-



                             JOINT FILING AGREEMENT

     The undersigned agree that the foregoing Statement on Schedule 13G, dated
February 14, 2002, is being filed with the Securities and Exchange Commission on
behalf of each of the undersigned pursuant to Rule 13d-1(k)

Dated:  February 14, 2002

                                                     /s/ Thomas W. Smith
                                                     ---------------------------
                                                     Thomas W. Smith


                                                     /s/ Thomas N. Tryforos
                                                     ---------------------------
                                                     Thomas N. Tryforos


                                      -7-