Abstract: Objective: To explore the clinical effect of congenitally missing teeth patients who were given orthodontic or orthodontic-prosthodontic combined treatment. Methods: The congenitally missing teeth patients were examined and given detailed treatment plan. They were treated with extraction orthodontic treatment or orthodontic--prosthodontic combined treatment. Results: The congenitally missing teeth patients who were treated with different methods achieved good facial profiles and normal overjet and overbite. Conclusion: The congenitally missing teeth patients will achieve satisfactory effects if they are given correct treatment plan according to facial profile, position and number of missing teeth, crowding, overjet, molar relation, and etc.

Key words: Congenitally missing teeth, Orthodontic treatment, Orthodontic-prosthodontic combined treatment