10. Impressions and Cast Mounting of RPDs

Question 1

RPD final impressions: Pre-prosthetic treatment? (3)

Answer 1

• Tooth extractions
• Pre-prosthetic surgery
• Periodontal treatment

Question 2

RPD final impressions: Pro-prosthetic treatment? (3)

Answer 2

• Dental preparations for RPDs

- Full coverage crowns

Question 3

Final impressions pre-prosthetic treatment: Multiple tooth extractions healing time ? What do you use in the meantime? (2)

Answer 3

• 5-9 months

- Acrylic provisional denture

Question 4

Final impressions pre-prosthetic treatment: Single extraction / several periodontally damaged teeth healing time? Reline? (2)

Answer 4

• 1-2 months healing

- 6-9 months reline

Question 5

RPD final impressions pre prosthetic surgery healing time?

Answer 5

• Soft tissue: 1-2 months

- Hard tissue: 6 months

Question 6

RPD final impressions pre prososthetic periodontal treatment healing?

Answer 6

• scaling and root planning: 1 month

- Periodontal surgery: 2 months

Question 7

RPD final impression pro-prosthetic treatment dental preparations? (3)

Answer 7

• no healing time
• Preliminary cast done to evaluate preparations
• Silicone final impression after

Question 8

Proposthetic treatment Full coverage crowns if you have a surveyor?

Answer 8

Bisque (biscuit) trial and preform necessary modifications

Question 9

Proposthetic treatment Full coverage crowns if you don’t have a surveyor?

Answer 9

Try prepared glazed crowns that a dental technician should have surveyed before

Question 10

Proposthetic treatment Full coverage crowns cementing?

Answer 10

should be cemented before taking final impression

Question 11

Proposthetic treatment Full coverage crowns combined prosthesis? (3)

Answer 11

• Pick up impression
• then RPD fabrication
• then cementation