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Gowgates technique Landmarks

# Extra-oral landmark for Gowgates technique of mandibular nerve block:
a) Corner of the mouth
b) Intertragic notch
c) Both of the above
d) None of the above


The correct answer is C. Both of the above

Landmarks for Gow-Gates technique:
a. Extraoral:
• Lower border of tragus (intertragic notch); • Corner of mouth
• Mesiolingual cusp of maxillary 2nd molar

 b. Intraoral:
• Height of injection established by placement of the needle tip just below the mesiolingual (mesiopalatal) cusp of maxillary second molar.
• Penetration of soft tissues just distal to the maxillary second molar at the highest established in the preceding step.

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