The American Dental Association (ADA) is very specific regarding classification of codes, per this list which is derived from The ADA Practical Guide to Dental Procedure Codes.
For more on editing procedure codes, please see: Denticon Setup Guide - Procedure Code Setup
PREVENTIVE
- Diagnostic
- D0100 through D0999
- Preventive
- D1000 through D1999
BASIC
- Restorative
- D2000 through D2999
- Endodontics
- D3000 through D3999
- Periodontics
- D4000 through D4999
- Oral and Maxillofacial Surgery
- D7000 through D7999
MAJOR
- Prosthodontics (Removable)
- D5000 through D5899
- Prosthodontics (Maxillofacial)
- D5900 through D5999
- Implant Services
- D6000 through D6999
- Prosthodontics (Fixed)
- D7000 through D7999
ORTHODONTICS
- Orthodontics
- D8000 through D8999
OTHER
- Adjunct General Services
- D9000 through D9999
Article Version 1.1 2026.5.21