Dental Anesthetic Syringe Self-Aspiratin
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| Dental Anesthetic Syringe Self-Aspirating |
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b. Irrigating Syringe: An
irrigating syringe is used to deliver irrigants or solutions to clean and flush
out debris from the tooth or gum area. It usually has a curved or straight
metal tip and a bulbous or plastic handle for easy handling and control of the
flow.
c. Aspirating Syringe: An
aspirating syringe is used during dental procedures such as extractions or root
canal treatments to aspirate fluids and ensure the needle tip is not in a blood
vessel. It has a thumb ring and a harpoon-like mechanism that allows the
dentist to check for blood return before injecting.
d. Cartridge Syringe: A cartridge syringe is used to deliver materials or medicaments in pre-filled cartridges. It is commonly used for placing dental restorative materials like composites or cements. The syringe typically has a plunger that pushes the material out of the cartridge and through a disposable tip.
Q2: What are the main parts of a syringe?
A syringe typically consists of several main parts,
including:
Barrel: The barrel is the
cylindrical body of the syringe, usually made of plastic or glass, which holds
the medication or substance to be injected. It has volume markings along its
length to indicate the amount of fluid being drawn or dispensed.
Plunger: The plunger is a
movable rod or piston that fits inside the barrel. It is usually made of
plastic and has a rubber tip called the plunger tip or plunger head at one end.
By pushing or pulling the plunger, the medication can be drawn into or expelled
from the barrel.
Plunger Rod: The plunger rod is
a rigid shaft connected to the plunger. It extends outside the barrel and
provides a handle for the user to hold and manipulate the plunger.
Flange: The flange is a
disc-shaped or ring-shaped structure at the end of the barrel opposite to the
plunger. It provides stability and acts as a finger rest during the injection
process.
Needle Hub: The needle hub is
the part of the syringe where the needle attaches. It is usually made of
plastic and has a threaded or luer lock connection to secure the needle in
place.
Needle: The needle is a hollow,
thin, and sharp metal tube attached to the needle hub. It is used for piercing
the skin or accessing a specific site for injection or aspiration.
Needle Cap: The needle cap is a
protective cover that is placed over the needle to prevent contamination and
accidental needle sticks when not in use.
Needle Guard (optional): Some syringes may have a needle guard or safety mechanism that covers the needle after use, reducing the risk of needlestick injuries.