Revision Flashcards
What material would you select for this length of occlusally approaching clasp and why?
Wrought wire - preformed, stretched , flexible
Stainless steel or gold can be used
What is this instrument? What is it used for?
Alma gauge
Used to measure incisal height to relation for papilla + labial contour
What is this instrument and what is it used for in partial denture design?
Surveyor
Measure undercuts + identify how bulbous teeth are
What are we doing to this cast and why?
Blocking out undercuts if they are too deep
eliminate unfavourable undercuts
Define balanced occlusion and balanced articulation
Static and dynamic
What are the advantages of keeping the roots like shown in this picture?
Stops bone loss
Proprioception! Helps denture feel like real teeth
What is the fault?
Rest seat should be mesial
What is marked?
Canine line
Smile line
Incisal midline
Name two situations where you wouldn’t use zinc oxide euganol
Pt has allergies
Pt has teeth (sticks to undercuts)
What has been added and what does it aim to do?
Post damn
Helps retention - sinks into tissues creates vacuum seal
Hat feature has been added and why?
Backings added to teeth to prevent denture snapping
Name the connector and give one advantage and one disadvantage
Lingual plate
Advantage - comfort , more stability , retention
Disadvantage - plaque retention, unhygienic , trauma , aesthetics
Give two acceptable cleaning regimes
1) over sink, soapy water, soft brush
2) sterident
What attachment is shown here?
Magnet attachment
Held in root with GIC
What material is being used?
Light bodied silicone
Advantage - works in thin sections, gets good surface detail.
Name of the denture and it’s design features?
Every denture
Design feature - distal wires , gingivally free
What is featured and what does it stand for?
RPI
REST
PLATE
IBAR
How long should guide surfaces be prepared for? How do multiple parallel guided surfaces help with retention?
4mm - guide surface
Parallel = friction fit
