Read the statement released from IDFPR here

Please note: all requirements for renewal (CEUs, CPR, etc.) are still to be completed by September 30, 2021 regardless of the granted extension for time to pay to renew your dental hygiene license. Continue to check back on the IDFPR website to verify ability to renew your license. You should receive an email from IDFPR when the ability to renew opens up. Verify that your contact information is up to date here. *Your user name will likely be your license number (without a dash or . between the numbers).