Pros complete dentures tutorial

Question 1

What are the advantage of replica dentures over conventional dentures?

Answer 1

• One less clinical stage
• Jaw registration stage usually simpler
• Easier to adapt as similar to previous denture
• Less change in aesthetics
• Minor changes to design is possible
• Better neuromuscular control of the denture

Question 2

What are the limitations of replica dentures?

Answer 2

• No major changes can be done
• Acceptance some flaws in the design
• Exact copy not possible

Question 3

Briefly describe the steps in making a replica denture

Answer 3

• Take moulds of the current denture using stock trays and lab putty out the patient mouth and request replica blocks
• Take Master impression using replica block and jaw registeration

Question 4

Which base is ideal for a replica denture block construction?

Answer 4

Shellac base

Question 5

Describe the three steps in the first stage of replica dentures in the laboratory after sending primary impressions?

Answer 5

• Lay shellac base onto fitting surface of moulds
• Pour molten wax into moulds
• Once wax is set, remove completed wax replica blocks on shellac bases

Question 6

What 3 information would you to the technician to register the occlusion ?

Answer 6

• Shade
• Setting
• Mould

Question 7

A case where would you choose cuspless teeth?

Answer 7

Very resorbed ridges or if the patient struggles to get into a retruded position

Question 8

What is the order of setting up the teeth?

Answer 8

• Upper anterior then upper posteriors then upper to lowers ensuring the lowers are over the ridge

Question 9

What are two curves that are important when setting up posterior teeth?

Answer 9

• Bi lateral curve of Monsen
• Curve of Spee
• This is to achieve balanced articulation

Question 10

What are 6 try in checks?

Answer 10

• Vertical dimension of occlusion
• Even contact in retruded contact position
• Occlusal planes - anterior and posterior
• Lower teeth over ridge
• Speech
• Retention and stability
• Base extensions
• Appearance

Question 11

What is the laboratory steps for finishing the dentures?

Answer 11

• Wax up
• Flask
• Deflask
• Trim and polish

Question 12

When would you review a patient after insertion of denture?

Answer 12

• 1-2 weeks

Question 13

7 insertion checks?

Answer 13

• Vertical dimension
• Even contact in retruded position
• Speech
• Retention and stability
• Base extension
• Appearance
• Comfort

Question 14

What would you check when reviewing a denture after insertion checks?

Answer 14

• Aesthetics
• Function
• Pain,redness and ulceration
• Speech
• Occlusion and vertical dimension

Question 15

A patient come at review and you notice some ulceration, what would be your management?

Answer 15

• Take out denture
• Apply pressure indicating paste
• Insert the denture and let patient bite then remove and adjust using straight handpiece any high areas