<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM INTERDENT,
INC.'S FINANCIAL STATEMENTS FOR THE THREE AND SIX MONTHS ENDED JUNE 30, 2000 AND
1999.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> 6-MOS 6-MOS
<FISCAL-YEAR-END> DEC-31-2000 DEC-31-1999
<PERIOD-END> JUN-30-2000 JUN-30-1999
<CASH> 786 539
<SECURITIES> 0 0
<RECEIVABLES> 23,298 20,935
<ALLOWANCES> 0 0
<INVENTORY> 4,674 4,610
<CURRENT-ASSETS> 39,695 38,432
<PP&E> 44,692 39,980
<DEPRECIATION> (12,096) (9,707)
<TOTAL-ASSETS> 268,805 241,213
<CURRENT-LIABILITIES> 36,375 38,965
<BONDS> 0 0
1,801 1,796
12,090 12,090
<COMMON> 24 21
<OTHER-SE> 80,057 63,784
<TOTAL-LIABILITY-AND-EQUITY> 268,805 241,213
<SALES> 142,607 106,441
<TOTAL-REVENUES> 142,607 106,441
<CGS> 0 0
<TOTAL-COSTS> 132,327 101,497
<OTHER-EXPENSES> (1) (8)
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> (5,369) (2,760)
<INCOME-PRETAX> 4,910 2,176
<INCOME-TAX> 1,964 740
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> 2,946 1,436
<EPS-BASIC> 0.14 0.07
<EPS-DILUTED> 0.13 0.06
</TABLE>