CDCA LOCAL ANESTHESIA EXAM REVIEW QUESTIONS WITH CORRECT ANSWERS

which has thicker cortical plate, maxillary or mandibular? CORRECT ANSWER mandibular (this decreased the amount of the local anesthesia molecules that can penetrate to nerves during infiltration injections) due to the thickness of cortical bone, which is a good option for local anesthetic in the mandibular arch during infiltrations? CORRECT ANSWER Articaine (Septocaine) is sometimes effective for mand. infiltrations (4% vs. 2% for lidocaine) due to the increased number of molecules hematomas are most common with which type of injection, and why? CORRECT ANSWER PSA due to nicking a vessel in the pterygoid plexus of veins what is the TX for a hematoma? CORRECT ANSWER pressure, cold compresses on/off, NSAIDS, and time. a positive aspiration when administering a PSA is due to what? CORRECT ANSWER aspirating hemorrhage caused by injection what are the three most common locations for hematomas to occur? CORRECT ANSWER 1. PSA 2. IA 3. mental blanching of the tissue following/during an injection is caused by what? CORRECT ANSWER vasospasm/vasoconstriction caused by epinephrine or brushing against autonomic nerves stimulation vasospasm the pterygomandibular space/triangle is bordered by what anatomical structures? CORRECT ANSWER ramus, lateral pterygoid muscle, and medial pterygoid muscle the pterygomandibular space/triangle is identified intra-orally by what? CORRECT ANSWER pterygoid hamulus (palpation), coronoid notch (palpation), and pterygomandibular raphe (visual) the mandibular foramen lies approx. __________________________ of the distance from the anterior border of the ramus to the posterior border CORRECT ANSWER 1/2 to 2/3 Antero-posteriorly, the greater palatine foramen is located between the ___________________________. CORRECT ANSWER middle of the maxillary second molar and the middle of the third molar in about 80-90% of patients.