1. 全口义齿印模 (Impression of complete denture)

2. 1. Classification of impression

3. According to impression times
Primary impression method (一次印模)
Secondary impression method (combined impression) (二次印模法又称联合印模法)

4. According to the patient mouth (open or close)
Open-mouth impression (开口式印模)
Close-mouth impression (闭口式印模)

5. According the press to the mucosa
Mucostatic impression technique(粘膜静止式印模)
Mucodynamic impression(粘膜运动式印模)

6. 2.Method and procedure of making impression of complete denture

7. Preparation (stock trays selection)

8. Making preliminary impression

12. The fabrication of custom trays

14. Buccal border modeling (颊部边缘修整)

15. labial border modeling (唇部边缘修整)

16. posterior border modeling (后部边缘修整)

18. 颊系带
Buccal frenum
舌侧翼缘区
Lingual flange area
后部边缘封闭区
Posterior seal border
唇系带
Labial frenum
颊侧翼缘区
Buccal flange area

19. Another kind of method to make custom tray

20. Making final impression

22. 3. Requirement of the impression
The tissues should be pressed evenly.
Enlarge the impression areas appropriately.
Making functional impression
Keep the stable position.

23. 模型(model or cast)

24. Requirement of the cast
Border width 3-5mm
There should be about 10mm of the stone in the thinnest part
The posterior border of the upper cast was at least 2mm posteriorly to palatine fovea
At least 10 mm length from the anterior part of the retromolar pad

25. Pouring the cast
Boxing method

26. General method

28. Treatment of post-dam area