Mercury + Alloy =
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Amalgam
Isthmus
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How wide the prep is from buccal to lingual
Finishing burs
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Multi-fluted to leave surface finer
What is the purpose of matrix bands?
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Surround the tooth to retain restorative material in the proximal box area;
acts as a temporary wall
What is the purpose of a WEDGE?
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-inserted between teeth to adapt the band tightly against the tooth
- helps to prevent over hang
- separates teeth to ensure proper contact
Ductile
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(Moveable) able to move around
While condensing the first increment amalgam what should you do?
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Use overlapping strokes along the pulpal floor
Galvanism
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when two dissimilar metals touch with saliva battery causing an electric
shock
What is involved with SELECTIVE ETCH technique?
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involves the blue etching on the enamel only and not the dentin, leaving
the smear layer
Overmixed
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Very soupy, hard to remove from capsule, too much mercury, decrease
triturator
What are the three types of etching techniques?
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1. Total etch
2. selective etch
3. self- etch
How long should you reapply etch if saliva comes into contact?
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Reapply etch for 10 seconds and then rinse and re-isolate
Rubber points and wheels
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Removes scratches
What are the contraindications of composites?
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-restoration will have heavy occlusal stresses
-submarginal areas that cant be isolated or finished
-costly, time and technique sensitive
Give this one a try later!
Amalgam
Isthmus
Give this one a try later!
How wide the prep is from buccal to lingual
Finishing burs
,Give this one a try later!
Multi-fluted to leave surface finer
What is the purpose of matrix bands?
Give this one a try later!
Surround the tooth to retain restorative material in the proximal box area;
acts as a temporary wall
What is the purpose of a WEDGE?
Give this one a try later!
-inserted between teeth to adapt the band tightly against the tooth
- helps to prevent over hang
- separates teeth to ensure proper contact
Ductile
Give this one a try later!
(Moveable) able to move around
While condensing the first increment amalgam what should you do?
,Give this one a try later!
Use overlapping strokes along the pulpal floor
Galvanism
Give this one a try later!
when two dissimilar metals touch with saliva battery causing an electric
shock
What is involved with SELECTIVE ETCH technique?
Give this one a try later!
involves the blue etching on the enamel only and not the dentin, leaving
the smear layer
Overmixed
Give this one a try later!
Very soupy, hard to remove from capsule, too much mercury, decrease
triturator
What are the three types of etching techniques?
, Give this one a try later!
1. Total etch
2. selective etch
3. self- etch
How long should you reapply etch if saliva comes into contact?
Give this one a try later!
Reapply etch for 10 seconds and then rinse and re-isolate
Rubber points and wheels
Give this one a try later!
Removes scratches
What are the contraindications of composites?
Give this one a try later!
-restoration will have heavy occlusal stresses
-submarginal areas that cant be isolated or finished
-costly, time and technique sensitive
