Classifications Of Dental Instruments Flashcards
Various types of instruments is used to?
The dental instruments can be
- Hand held
- Rotary instruments
- Ultrasonic equipment
What are the basic instruments?
Explorer
Cotton pliers
Mouth mirror
Spoon excavator
Used to view oral cavity, reflect light and retract cheek
Mouth mirror
Detects break in enamel
Explorer
Takes materials to and from the oral cavity
Cotton pliers
Used to remove soften dentin and temporary filings
Spoon excavator
The types of hand instruments can be categorized based on their function
Most of the hand held instruments are made of
Stainless steel,
Carbon steel
Basic design of a hand instrument
Blade
Shank
Handle
Remove calculus on the teeth surface as well as those hidden in the gun pockets
Scalers
Instruments for cutting and scrapping tissues and deposits
Scalers
Excavators
Chisels
Hatchets and hoes
Are used to remove unsupported enamel during cavity preparation
Chisels
They have similar purposes to chisels
Hatchets and hoes
What are the instruments used for placing and condensing filling materials
Plastic instruments
Condensers or pluggers
Carving and finishing instruments
Convey and shape filing materials and are usually flat blades that do not use heavy pressure. Usually are non stick for composite filings
Plastic instruments
Are used for compressing and forming filling materials heavy pressure is applied on use therefore these instruments are usually used for metal or amalgam filings
Condensers or pluggers
Have sharp pr semi-sharp blades of various shapes. They are used to carve materials by cutting
Carving and finishing instruments
They are small instruments held in a hand piece
Rotary instruments
Rotary instruments consist of
Burs
Stones
Discs
Rotation is made by
Electric motor
Compressed air
Usually in two speeds
High speed
Low speed
What are the four categories of Endodontic instruments
Exploring
Extirpating
Enlarging
Filling
