Mandibular Injection Technique

By Dr. Vishaal Bhat on Wednesday 2 December 2009 with 0 comments




1. Inferior Alveolar N. Block (IAN)

2. Lingual N. Block

a. Injection site: The line of needle insertion is from the opposite mandibular premolars

b. 25 or 27 gauge needle, long

c. Depth: 10 – 25mm; height of insertion is usually above the occlusal plane (6 – 10mm)

d. Withdraw slightly and deposit remainder of carpule for lingual nerve anesthesia

e. Anesthetized: Pulp of the mandibular teeth to the midline, body of the mandible, buccal mucoperiosteum and mucous membrane anterior to the mandibular 1st molar, ipsilateral lower lip, anterior 2/3 of tongue

3. Long buccal N. block

a. Injection site: Height of the occlusal plane, posterior to the mandibular 3rd molar into the soft tissue near the external oblique ridge

b. Depth: 1 or 2mm

c. Anesthetized: Periosteum, soft tissue buccal to the mandibular molars

4. Mental N. Block

a. Injection site: Between the mandibular premolars

b. Depth: 5 – 6mm

c. Anesthetized: Buccal mucous membrane anterior to the mental foramen to the midline, lip and chin

5. “Gow-Gates” Mandibular Block (V3 Block)

a. Injection site: Height of injection; mesiopalatal cusp of maxillary second molar.

1. Penetration; distal to the 2nd molar

b. Depth: 25mm

c. Anesthetized: Distribution of V3

6. “Vazirani Akinosi” Mandibular Block

a. Injection site: Mouth closed. Align the needle and syringe parallel to and along the line of the maxillary 2nd and 3rd molar mucogingival junction; insertion of needle to the soft tissue overlying the mesial border of the mandibular ramus directly adjacent to the maxillary tuberosity at the height of the mucogingival junction adjacent to the maxillary 3rd molar

b. Depth: 25mm

c. Anesthetized: Distribution of IAN, lingual N., mental N., and incisive N.

Category: Endodontics Notes , Oral Medicine Notes

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