What is the main anatomic structure a clinician must avoid depositing anesthetic in to during the PSA?

Dr. Rock has arrived 20 minutes late for his hygiene appointment. You reviewed his medicalhistory and he has well controlled hypertension, but he is very anxious. You administer 1 carpule, andinjections to anesthetize tooth #2 for extensive NSPT. You sit him up slightly toget numb and you notice his skin appears flushed and he is perspiring. Which of the following isDr. Rock most likely experiencing?

What is length of a long 25 gauge needle, approximately?

The definition of the maximum recommended dose of a drug can be best described as which one of the following?

One must use proper technique during this injection or the facial nerve may be at risk for injury and paresthesia. Which injection poses this risk?

What is the optimal depth for the IANB?

In general, nerve blocks are the injection of choice for infection and infiltrations are the injection of choice for hemostasis.

The antioxidant used in local anesthetics to preserve the vasoconstrictor is:

What nerve exits from the foramen ovale?

Your patient is 60 years old, weighs 135lbs, and has well controlled Type II Diabetes and controlled hypertension. You need to perform NSPT on 13 and 14 and you expect the need for hemostasis because of the BOP during the periodontal assessment. What injections will you administer and what anesthetic will you select? Choose 3 answers; one for injection selection, one for type of anesthetic selection, and one for the MRD of the anesthetic