When a dental payer is linked to an encounter, you can enter 
Date Appliance Placed and 
Date Appliance Removed dates for orthodontia from the 
Patient Insurance - Encounter window in 
NextGen® Enterprise PM. The 
Date Appliance Placed date is then included on paper ADA and electronic 837D claims. 
  
Note: These date fields appear only when the primary payer on the encounter has the Dental payer check box enabled in File Maintenance on the Defaults-2 tab of the Payer Information window.
  
 
  To enter appliance dates for a patient's dental insurance, do the following: