2. DENT 1160 Pharmacology Local Anesthetic

3. 1. Aspirating syringe Has harpoon, so Dr can inject a small amount and pull back to check for blood in carpule

4. 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

5. 3. Parts of Carpule (cartridge) A aluminum cap b diaphram c solution d rubber stopper

6. 4. Needle lengths Long, Mandibular, 1 5/8 Short, max, 1 Block ( mand, foraman_ infiltration- Max, area of nerve end

7. Bevel to bone Lumen- hollow, like straw

8. Bevel placement

9. 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

10. 6&8. Assemble Carpule, needle, stick shield, engage Single handed recap only!

11. 7. Placement of TOPICAL NE assistant CAN place topical Anterior palatine foramen numbs lingual palate, Maxillary infiltrations are common near apices of maxillary teeth.

12. Mandibular block It is SAFER and more COMFORTABLE to inject SLOWLY!

13. 9.&10. Disposal and sterilization Needle and carpule go in Sharps Syringe MUST be autoclaved

14. 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

15. PDL Luer Lok No carpule, add solution, disposable or autoclave

16. Vocab Ampule- sterile glass container Innervation- which nerves serve which teeth/area Vial- glass bottle of medicine with a diaphram to draw solution through