Primary Impressions for Complete Dentures

Question 1

What impressions are commonly used for the edentulous patient?

Answer 1

• Non-elastic
  
  • -> Impression compound

If severe undercuts present use elastic

Question 2

What is inspected following taking an impression?

Answer 2

1. Covered all denture bearing area
2. Peripheral seal
3. Adequate surface detail

Question 3

What instructions are given to the lab following primary impressions?

Answer 3

• Please pour impression in 100% dental stone
• Construct light cured special trays with I/O handles
• Lowers 1mm spacing, uppers 2mm spacing
• Please return models with trays