You can access these and remove any records that you have previously declared unique by accessing the 'Suppressed Groups' view from the DQ for Dynamics Home screen:
From this screen you will now be able to filter the records by Entity:
Now you have narrowed it down by Entity you can use the Search Option to find the record you are looking for:
This will open the following dialog box where you will be able to review whether or not you would like to mark the record as a duplicate.
Note: If you would like bulk un-suppress groups, contact DQ Global at firstname.lastname@example.org.