Complete dentures Flashcards
What material is used to pour casts of primary impression?
Plaster
What material is used to make special trays?
Light cure material acrylic
When would you use a close fitting tray instead of a one with 2-3mm spacer and what material would you use to take the impression?
- in resorbed ridges
- medium or light body silicone , or impression paste (ZOE)
What is this?
Post dam ( on vibrating line) which is marked with a pencil
How would you modify this if you have a retching patient?
Mark a second post dam anterior to this , to modify the denture later if needed but cutting a second post dam
What two materials can you enforce the record blocks with?
- Shellac base
- Heat cured acrylic baseplate
Which line helps with getting the anterior occlusal plane during jaw registration?
- interpupillary line
Which line helps with getting the posterior occlusal plane?
Ala-tragus line
What would you use to helps adjust the record blocks?
- Fox’s occlusal plane
What is the first line that you will mark in the record block?
Centreline
How would you ensure you get the correct horizontal component of the occlusion in the jaw registration stage?
Get the patient mandible in a retruded position
What will you use to aid measuring the freeway space?
- dividers
- willi’s bite gauge
How would you seal the upper and lower record blocks?
Cut notches and seal with registration paste
What would you tell the lab to do after taking the jaw reg?
- mount the casts on an articulator and set up the teeth
Other than registering the occlusion, what else would you do in the jaw reg stage?
- Choose shade of teeth
- Setting of teeth
- Mould of teeth
