Overview of complete Dentures

Question 1

What is the aim of preliminary casts on a clinical patient?

What material and tray used?
What material for pouring?

Answer 1

Overextensions of impression; capturing all anatomical landmarks
* Alignate + stock tray
* Microstone

Question 2

What is the aim of preliminary casts on a sim-lab patient?

What material and tray used?
What material for pouring?

Answer 2

Capturing all borders
* Alignate + stock tray
* Microstone

Question 3

What is the clearance that you want on a endentulous tray for a prelimnary impression?

Answer 3

at least 3mm, ideally 5mm

Question 4

What do you add to the periphery of the trays before taking impressions?

Answer 4

Rope wax

Question 5

What are the advantages and disadvantages of using alginate for prelimary impressions?

Answer 5

Advantages:
* Easy to manipulate
* engages undercuts
* Accurate
Disadvantages:
* Doesnt displace soft tissue
* soft tissues can displace it, not correctable.

Question 6

Look Max

Answer 6

Question 7

Look Mand

Answer 7

Question 8

What is the procedure for both the clinical and sim patient for custom impression?

Answer 8

1. Fabricaate custom provisa tray
2. Border molding green compound stick
3. Impression VPS

Question 9

What is the procedure for both the clinical and sim patient for Master Casts?

Answer 9

1. Boxing final impression final impression, box wax, rope wax
2. Final impression boxed in microstone
3. Trim master cast maintain peripheral land area

Question 10

What is the procedure for both the clinical and sim patient for Trimming the Master Casts?

Answer 10

1. Presevre all important landmakrs and land area
2. Block out undercuts on master casts

Question 11

What is the procedure for both the clinical and sim patient for Occlusal Wax Rim?

Answer 11

1. Properly trimmed and blocked out mater cast pink provisa to prevent breakage of cast

Question 12

What is the purpose of clinical patient facebow transfer

Answer 12

Meant to transfer the relationship of the maxilla & mandible to the articulator.

maxillary cast is mounted onto articulator using the facebow transfer

Question 13

Can you do a facebow transfer on sim lab pt?

Answer 13

No, its not applicable, we use mounting jig insted!

Question 14

What is the purpose of clinical patient jaw relation record JRR

Answer 14

1. Maxillary and mandibular occlusal wax rims; aluwax
   maxillary cast is mounted onto articulator using the facebow transfer

Question 15

What is the purpose of sim patient jaw relation record JRR

Answer 15

1. Use mounting jing
2. Sim lab pt. cast in articulator
   maxillary cast is mounted onto articulator using the facebow transfer

Question 16

What is the procedure for both the clinical and sim patient for Teeth Set Up?

Answer 16

1. You need articulated master cast, denture teeth, set up wax
2. Try in (only on clinical pt.

Question 17

What is the order of teeth setting?

Answer 17

1. Maxillary anterior
2. Mandibular anterior
3. Mandibular posterior
4. Max posterior

Question 18

What is the procedure for both the clinical and sim patient for teeth set up?

Answer 18

1. Remouting the index & cast
   * Boxing wax, lab plaster, max teeth wax stup, mounted max master cast on articulator, mandibular master cast
2. Prepering master cast & wax setup for lab processing
   * check posterior palatal seal
   * Seal dentures to cast

Question 19

What is the procedure for both the clinical and sim patient for Denture Delivery

Answer 19

1. Remount dentures
2. Try in (clincal)
3. delier (clinical

Question 20

What are the 5 steps of denture fabircation?

Answer 20

1. Preliminary impression
2. Custom imporession, boarder molding, final impression
3. Boxing & master cast
4. Triad/provisa record base, occlusal wax rim
5. JRR & Facebow
6. Teeth setup, wax setup trying, remount cast
7. delivery & adjustments