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Techniques of local anesthesia in dentistry IN A NUTSHELL

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Techniques of local anesthesia in dentistry IN A NUTSHELL

  1. 1. TECHNIQUES OF LOCAL ANESTHESIA In a nutshell MohammadReza Vatankhah
  2. 2. Supraperiosteal injection
  3. 3. Posterior Superior Alveolar Nerve Block ■ High success rate ■ Risk of hematoma ■ Technique somewhat arbitrary: no bony landmarks during insertion ■ Second injection necessary for treatment of the first molar (mesiobuccal root) in 28% of patients
  4. 4. Middle Superior Alveolar Nerve Block ■ Indicated for procedures on premolars and for the mesiobuccal root of the maxillary first molar. ■ Contraindicated Where the MSA nerve is absent, innervation is through the anterior superior alveolar (ASA) nerve; branches of the ASA innervating the premolars and mesiobuccal root of the first molar can be anesthetized by means of the MSA technique ■ the mucobuccal fold above the second premolar ■ No bone touch.
  5. 5. Anterior Superior Alveolar Nerve Block (Infraorbital Nerve Block) ■ Nerves Anesthetized ■ 1. Anterior superior alveolar ■ 2. Middle superior alveolar ■ 3. Infraorbital nerve – a. Inferior palpebral – b. Lateral nasal – c. Superior labial
  6. 6. Anterior Superior Alveolar Nerve Block (Infraorbital Nerve Block) ■ Inflammation or infection (which contraindicates supraperiosteal injection); if a cellulitis is present, the maxillary nerve block may be indicated in lieu of the infraorbital nerve block (indicated) ■ Discrete treatment areas (Contra-indicated) ■ Ant to 1st pre. ■ Almost the half of L- needle.
  7. 7. Greater Palatine Nerve Block
  8. 8. Nasopalatine Nerve Block
  9. 9. Anterior Middle Superior Alveolar Nerve Block (double-tech)
  10. 10. Palatal Approach-Anterior Superior Alveolar
  11. 11. Maxillary Nerve Block
  12. 12. INFERIOR ALVEOLAR NERVE BLOCK ■ Landmarks – a. Coronoid notch (greatest concavity on the anterior border of the ramus) – b. Pterygomandibular raphe – c. Occlusal plane of the mandibular posterior teeth – 2/3 & 3/4
  13. 13. BUCCAL NERVE BLOCK
  14. 14. ■ Height of injection established by placement of the needle tip just below the mesiolingual (mesiopalatal) cusp of the maxillary second molar ■ Penetration: just distal to the maxillary second molar
  15. 15. VAZIRANI-AKINOSI CLOSED-MOUTH MANDIBULAR BLOCK
  16. 16. MENTAL NERVE BLOCK ■ 1. Soft-tissue biopsies ■ 2. Suturing of soft tissues
  17. 17. INCISIVE NERVE BLOCK ■ bilateral incisive nerve blocks can be administered. ■ It is not necessary [also not indicated; according to the text] for the needle to enter into the mental foramen for an incisive nerve block to be successful.

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