Question 16 of 20

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When adminstering an inferior alveolar nerve block (IAN), the operator should place their index finger or thumb in the coronoid notch.

They then should draw an imaginary line extending posteriorly from their finger tip to the pterygomandibular raphe as it turns upward toward the maxilla. This imaginary line will be approximately 6 - 10 millimeters above the occlusal plane.

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