DENT 1160 Pharmacology

Local Anesthetic

1. Aspirating syringe

Has harpoon, so Dr can inject a small amount and pull back to check for blood in carpule

2. Parts of Syringe

A needle b threaded hub c harpoon d piston rod e barrel f finger bar g finger grip h thumb ring

3. Parts of Carpule (cartridge)

A aluminum cap b diaphram c solution

d rubber stopper

4. Needle lengths

Long, Mandibular, 1 5/8

Short, max, 1

Block ( mand, foraman_ infiltration- Max, area of nerve end

Bevel to bone

Lumen- hollow, like straw

Bevel placement

5. 3 gauges of needles

25, 27, 30 The LARGER the gauge, the thinner

the needle Because a Long needle needs to be

stronger, it is usually a 25 Gauge= thickness

6&8. Assemble

Carpule, needle, stick shield, engage

Single handed recap only!

7. Placement of TOPICAL

NE assistant CAN place topical

Anterior palatine foramen numbs lingual palate, Maxillary infiltrations are common near apices of maxillary teeth.

Mandibular block

It is SAFER and more COMFORTABLE to inject SLOWLY!

9.&10. Disposal and sterilization

Needle and carpule go in Sharps Syringe MUST be autoclaved

11. Vocab

Duration- how long sensation lasts Vasoconstrictor- constric BV to make

sensation last longer, epiniphrine Carbocaine, Xylocain, Lidocain- local

agents Paresthesia- numb after effects should

wear off, contam soln,trauma, bleeding

PDL Luer Lok

No carpule, add solution, disposable or autoclave

Vocab

Ampule- sterile glass container

Innervation- which nerves serve which teeth/area

Vial- glass bottle of medicine with a diaphram to draw solution through