G Ch 20 Flashcards
Two point contact
Adapt working end to calc deposit and
Rest lower shank against tooth
Are 2 double ended files needed to instrument posterior teeth?
Yes
How many double ended files needed for anterior?
1
How many cutting edges does a Langer curette have?
2
Standard Langer curet designed for
Langer mini curets used for
Pockets 4mm or LESS
Access into deep narrow pockets, root surface debridement
Langer mini curet
Used for deep narrow pockets!
Face is __ degrees to lower shank
__ cutting edges per working end
Each curet is limited to use only on certain areas
____ _____ functional shank
90
2
Long complex
Langer mini curets are recd for
Standard Langer curets designed for instrumenting pockets that are __ or less
Root surface debridement in deep narrow pockets
4mm or less
Standard are specific curets designed for use in perio pockets __ mm or less
Modified Gracey curet ______ than __mm pockets
4mm
Greater than 4mm
The lower shank of an Extended curet is _ mm longer than standard
3mm
True for any extended shank instrument
Mini gracey cutting edge is __% ______ than extended shank curet
60-70 degrees
10% thinner
Modified gracey curets with mini working ends have (3)
____ lower shank
_____ working end
**_____ working end
Long lower shank
Thinner working end
**Shorter working end
Mini working end curets
Extended lower shank is __% shorter
50%
As well as 10% thinner
Modified gracey micro mini
Ideal for ____ deposit removal
Used in special areas of difficult access
__% thinner than standard gracey
Fine
20%
Micro mini gracey curet
__% shorter than standard gracey
__% thinner than mini gracey curet
50%
20% thinner than mini gracey
+ indicated the ____ cutting edge on a vision curvette
Extend shank is __% shorter
Lower
50%
