When Troubleshooting Incomplete Anesthesia Following an Inferior Alveolar Local Anesthetic

Multiple Choice

When troubleshooting incomplete anesthesia following an inferior alveolar local anesthetic nerve block on a patient,the clinician notes a doubled mandibular canal on an intraoral radiograph.What is present with this patient,and how can clinically effective anesthesia be achieved? (Select all that apply. )

A) More superiorly placed second mandibular foramen exists.
B) More inferiorly placed second mandibular foramen exists.
C) The local anesthetic agent needs to be deposited more inferiorly to the usual anatomic landmarks.
D) The local anesthetic agent needs to be deposited more superiorly to the usual anatomic landmarks.
E) Prepuncture technique with needle bevel