**EXHIBIT31.1**

 

**CERTIFICATIONOF PRINCIPAL EXECUTIVE OFFICER**

 

I,Ivar S. Chhina, certify that:

 

1.               I have reviewed this quarterly report on Form10-Q of InterDent Service Corporation;

 

2.               Based on my knowledge, this quarterly reportdoes not contain any untrue statement of a material fact or omit to state amaterial fact necessary to make the statements made, in light of thecircumstances under which such statements were made, not misleading withrespect to the period covered by this report;

 

3.               Based on my knowledge, the financialstatements, and other financial information included in this report, fairlypresent in all material respects the financial condition, results of operationsand cash flows of the registrant as of, and for, the periods presented in thisquarterly report;

 

4.               The registrant’s other certifying officersand I are responsible for establishing and maintaining disclosure controls andprocedures (as defined in Exchange Act Rules 13a-14 and 15d-14) for theregistrant and we have:

 

a)              designed such disclosure controls andprocedures to ensure that material information relating to the registrant,including its consolidated subsidiaries, is made known to us by others withinthose entities, particularly during the period in which this quarterly reportis being prepared;

 

b)             evaluated the effectiveness of the registrant’sdisclosure controls and procedures as of a date within 90 days prior to thefiling date of this quarterly report (the “Evaluation Date”); and

 

c)              presented in this quarterly report ourconclusions about the effectiveness of the disclosure controls and proceduresbased on our evaluation as of the Evaluation Date;

 

5.               The registrant’s other certifying officersand I have disclosed, based on our most recent evaluation, to the registrant’sauditors and the audit committee of registrant’s board of directors (or personsperforming the equivalent function):

 

a)              all significant deficiencies in the design oroperation of internal controls which could adversely affect the registrant’sability to record, process, summarize and report financial data and haveidentified for the registrant’s auditors any material weaknesses in internalcontrols; and

 

b)             any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant’s internal controls; and

 

6.               Theregistrant’s other certifying officers and I have indicated in this quarterlyreport whether or not there were significant changes in internal controls or inother factors that could significantly affect internal controls subsequent tothe date of our most recent evaluation, including any corrective actions withregard to significant deficiencies and material weaknesses.

 

 
|       | /s/ IVAR  S.  CHHINA                         |   |
|------------|---------------------------------------------------|--------|
|       | Ivar S. Chhina                                    |
| ** ** | **President,**Chief Executive Officer andChairman |
|       | May 12, 2006                                      |

 

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