ORAPHARMA INC S-1

S-1

FORM S-1 REGISTRATION STATEMENT

EX-4.1

SECOND AMENDED AND RESTATED STOCKHOLDERS AGREEMENT

EX-4.2

WARRANT TO CANAAN VENTURES II LIMITED PARTNERSHIP

EX-4.3

WARRANT TO CANAAN VENTURES II OFFSHORE C.V.

EX-4.4

WARRANT TO CANAAN S.B.I.C., L.P.

EX-4.5

WARRANT TO CANAAN CAPITAL LIMITED PARTNERSHIP

EX-4.6

WARRANT TO CANAAN CAPITAL OFFSHORE LIMITED PARTNERSHIP

EX-4.9

SERIES D PREFERRED STOCK AGREEMENT

EX-4.10

RESTRICTED STOCK AGREEMENT

EX-4.11

RESTRICTED STOCK AGREEMENT

EX-4.12

STOCK WARRANT AGREEMENT

EX-4.13

RESTRICTED STOCK PURCHASE AGREEMENT

EX-10.1

1996 STOCK OPTION PLAN

EX-10.2

1999 EQUITY COMPENSATION PLAN

EX-10.5

CHILDREN'S HOSPITAL SPONSORED RESEARCH AGREEMENT

EX-10.6

EXCLUSIVE LICENSE AGREEMENT

EX-10.7

LICENSE AGREEMENT

EX-10.8

RESEARCH AND CONSULTING AGREEMENT

EX-10.9

LICENSE AGREEMENT

EX-10.10

LICENSE AGREEMENT WITH GARY R. JERNBERG

EX-10.11

LICENSE AGREEMENT

EX-23.1

CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS

EX-23.3

CONSENT OF ARNALL, GOLDEN & GREGORY, LLP

EX-27

FINANCIAL DATA SCHEDULE