Instruments Flashcards
Straight probe
Clinical examinations of restorations, restoration margins and exposed carious dentine
Briault probe
Examination of interproximal surfaces and internal cavity walls
3 corners
William’s probe
Periodontal pocket depths and clinical examination of tooth surfaces
mm increments with 4 and 6 missing
UNC probe
Measuring periodontal pocket depths
Preferred to William’s probe
mm increments with 4-5, 9-10, 14-15 blocked
Naber’s probe
Measuring periodontal furcation involvement
Fish hook
Scalers
To remove supra/ subgingival calculus deposits
WHO probe
To walk around gingival sulcus and measure periodontal pocket depths
3.5-5.5mm blocked, 8.5 and 11.5mm points
Chisels
To remove unsupported enamel and bevel cavity margins
Hatchet/ hoe
To remove unsupported enamel and bevel cavity margins
Excavators
To remove caries and soft temporary restorations
Can be used to shape plastic materials
Marginal trimmers
To remove unsupported enamel and bevel cavity margins
Amalgam packer
Packing plastic or amalgam restorations into cavities
Carvers
For cutting/ carving shape of final restorations
Flat plastics
For conveying, placing and shaping plastic materials
Burnishers
To finish and polish amalgams and to place and shape composite fillings before setting
Spatula
Used for mixing materials e.g. Kalzinol
Slow speed handpiece
Bigger
Latch grip burs
Contra angle
Air driven motor and handpiece
High speed
Smaller and thinner
Friction grip burs
Used for cutting sound enamel or dentine and removing existing restorations
Diamond grip burs
Pear shaped
Round
Straight
Tapered
Rose head bur
Slow speed hand piece
For removing soft carious dentine during caries removal
Tungsten carbide
Greenies and brownies
Polishing/ finishing amalgam
Latch grip for slow speed handpiece
Finishing burs
Round/ flame shaped/ tapered: amalgam
Finishing microfine diamonds (with yellow band)/ soflex disc/ polishing strips: composite
Matrix band
To substitute for a missing wall and recreate a contact point in a 2 surface cavity
Young’s frame
Rubber dam frame
What are most instruments made out of
Medical grade stainless steel or carbon steel
Tungsten carbide sometimes brazed to cutting edges of instruments for increased longevity of sharpness
