Local anesthesia in dentistry and types.pptx

Local anesthesia used in dentistry

1. LOCAL ANESTHESIA IN DENTISTRY DR.SHUJA ASLAM ASSISTANT PROFESSOR OPERATIVE DENTISTRY

2. Composition Local Anesthetic agent Vasoconstrictor Reducing gent (sodium metabisulphite ) Preservative (methyl paraben ) Fungicide( thymol ) Vehicle(distilled water)

3. Types of Local Anesthesia Topical Anesthesia ( anesthesize free nerve endings) Infiltration (above the bone)…. anesthesize terminal nerve endings Regional Block (into the bone)…. Anesthesize main nerve trunk

4. Injection procedure Disinfect the injection site The bevel of needle towards bone Stretch the tissue while inserting needle Aspirate Inject slowly

5. Infiltration Techniques

6. Buccal and Labial Injections

7. Palatal injection

8. Posterior Superior Alveolar Nerve Block Mouth should be partly closed. Needle is inserted opposite the mesial root of 1 st molar at the deepest part of the mucobuccal fold. Anesthesize 1 st molar except mesiobuccal root, 2 nd and 3 rd molar

9. Infraorbital Nerve Block Anesthesize maxillary premolars, MB root of 1 st molar and anteriors

10. Insert the needle at the mucobuccal fold along the long axis of 2 nd premolar

11. Incisive or nasopalatine Injection Anesthesize palatal alveolar plate of upper anterior teeth Insert the needle in the midline 1cm posterior to central incisor

12. Greater Palatine Nerve Block Anesthesise palatal mucoperiosteum from 1 st premolar to 3 rd molar The needle is inserted opposite the 1st molar

13. Mandibular Nerve Blocks

14. Inferior Alveolar Nerve Block Deposit the solution into pterygomandibuar space Anesthesize all ipsilateral mandibular teeth

15. Long Buccal Nerve Block

16. Gow Gates Technique

17. Vazirani Akinosi Technique