Dental Instruments Quiz: Test Your Knowledge

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Questions and Answers

What is the function of a hemostat in surgical procedures?

Holding the cheek back

Cutting retraction cord

Pulling out teeth

Controlling bleeding (correct)

What is the function of an explorer?

Separating the root of a tooth from the surrounding tissue

Checking the tooth (correct)

Drilling the tooth

Catching and holding things in place

What is the function of a cheek retractor?

Holding the cheek back (correct)

Drilling the tooth

Holding the tooth in place

Cutting retraction cord

What is the function of a high-speed handpiece?

Drilling the tooth Signup and view all the answers

What is the function of extraction forceps?

Pulling out teeth Signup and view all the answers

What is the function of a periosteal elevator?

Separating the root of a tooth from the surrounding tissue Signup and view all the answers

What is the primary function of a Cord Packer?

To pack the retraction cord under the gum Signup and view all the answers

What is the function of a Sickle Scaler?

To scrape calculus from the visible portion of the tooth Signup and view all the answers

What is the primary function of a Perio Probe?

To measure the space under the gum Signup and view all the answers

What is the function of a High Volume Evacuator?

To suction saliva and debris from the mouth Signup and view all the answers

What is the primary function of a Currette?

To scrape calculus from the roots of the tooth Signup and view all the answers

What is the function of Cotton Gauze?

To clean and wipe Signup and view all the answers

What is the function of a rubber dam clamp?

Holding the rubber dam in place around the tooth Signup and view all the answers

What is the function of an ultrasonic scaler?

Removing calculus from teeth Signup and view all the answers

What is the function of a low-speed handpiece?

Drilling the tooth Signup and view all the answers

What is the function of a syringe?

Injecting anaesthetic into the mouth Signup and view all the answers

What is the function of a bur block with burs?

Storing burs for the handpieces Signup and view all the answers

What is the function of a mixing spatula?

Mixing cements etc. Signup and view all the answers

Study Notes

Dental Instruments

Scissors: a pair of metal blades pivoted with a handle and a sharp edge, used for cutting retraction cord, etc.
Hemostat: a pivot-type instrument with a locking mechanism and a straight or curved tip, used for catching and holding things in place and controlling bleeding in surgical procedures.

Extraction and Retraction

Extraction forceps: a plier-like instrument with a handle and a short beak, used for pulling out teeth.
Cheek retractor: a broad metallic instrument with a curvature on both ends, used for holding the cheek back.

Examination and Inspection

Explorer: an instrument with a handle and a working end with a sharp tip on a straight arm, used for checking the tooth.
Mouth mirror: an instrument with a handle and a mirror on the other end, used for looking at hard-to-see areas.

Surgical Instruments

Periosteal elevator: an instrument with two round and flat working ends, one end being bigger than the other, used for separating the root of a tooth from surrounding tissue.

Drilling and Cutting

High-speed handpiece: used for drilling the tooth.
Low-speed handpiece: used for drilling the tooth.

Auxiliary Instruments

Air/water syringe and tip: used for washing and drying teeth.
Rubber dam clamp: used for holding the rubber dam in place around the tooth.
Syringe: used for injecting anesthetic into the mouth.
Needle guard: used for keeping the doctor safe when handling the syringe/needle.

Cleaning and Debridement

Ultrasonic scaler: used for removing calculus from teeth.
Bur block with burs: used for storing burs for the handpieces.
Cassette: used for organizing instruments until the dentist needs to use them.

Assistance and Miscellaneous

Tweezers: used for catching, moving, and holding small objects.
Mixing spatula: used for mixing cements, etc.
Ladmore condenser: used for compacting the new filling in the tooth.
Flat plastic instrument (FPI/PFI): used for placing composite fillings.
Cord packer: used for packing retraction cord under the gum while working on the tooth.

Periodontal Instruments

Perio probe: used as a ruler for measuring the space under the gum.
Sickle scaler: used for scraping calculus from the visible portion of the tooth.
Currette: used for scraping calculus from the roots of the tooth below the gums.