OROFACIAL DEVELOPMENT QUESTIONS WITH ACCURATE ANSWERS

OROFACIAL DEVELOPMENT
QUESTIONS WITH ACCURATE ANSWERS
Dental Radiology
If the mesiobuccal root of the maxillary first molar is NOT anesthetized by a PSA local anesthetic block,
the dental professional should additionally administer a
A. PSA block
B. (long) buccal block
C. MSA block
D. NP block
C. MSA block

Which of the following is an important landmark to locate before administering an IA local anesthetic
block?
A. Coronoid notch
B. Tongue
C. Buccal fat pad
D. Mental foramen
A. Coronoid notch


The injection site for the greater palatine local anesthetic block is usually located on the palate near which
of the following?
A. Maxillary first premolar
B. Maxillary second or third molar
C. Incisive papilla
D. Infraorbital foramen
B. Maxillary second or third molar


If an extraction of a permanent maxillary lateral incisor is scheduled, which of the following local
anesthetic blocks needs to be administered?
A. PSA block
B. MSA block
C. NP block
D. GP block
C. NP block


Transient facial paralysis can occur w/ which INCORRECTLY administered local anesthetic block?
A. PSA block
B. MSA block
C. NP block
D. IA block
E. Mental block

,D. IA block


Which local anesthetic block anesthetizes the largest intraoral area?
A. Buccal block
B. IA block
C. Mental block
D. Incisive block
B. IA block


Which of these situations can occur if bone is contacted immediately after the needle is inserted into the
soft tissue when administering an inferior alveolar local anesthetic block?
A. Needle tip is located too far anteriorly on the mandibular ramus
B. Needle tip is located too far posteriorly on the maxillary tuberosity
C. Syringe barrel is superior to the maxillary anterior teeth
D. Syringe barrel is superior to the mandibular anterior teeth
A. Needle tip is located too far anteriorly on the mandibular ramus


In which of the following locations is the outcome MOST clinically effective when using a supraperiosteal
injection of local anesthetic?A. Facial surface of maxillary anterior sextant
B. Facial surface of maxillary posterior sextant
C. Facial surface of mandibular anterior sextant
D. Facial surface of mandibular posterior sextant
A. Facial surface of maxillary anterior sextant


If working w/in the mandibular anterior sextant on the exposed roots of the teeth, which local anesthetic
block is MOST clinically effective and comfortable for the patient?
A. Unilateral posterior superior alveolar block
B. Bilateral lingual block
C. Bilateral IA block
D. Bilateral incisive block
D. Bilateral incisive block


Which of the following local anesthetic blocks anesthetizes the associated buccal periodontium and
gingiva of the mandibular molars?
A. Buccal block
B. IA block
C. Mental block
D. Incisive block
A. Buccal block


The mental foramen is USUALLY located on the lateral surface of the mandible inferior to the apices of
which of the following mandibular teeth?
A. First and second molars

, B. Second and third molars
C. First and second premolars
D. First premolar and canine
C. First and second premolars


To have complete anesthesia of the maxillary quadrant, which of the following local anesthetic blocks
needs to be administered along w/ the anterior middle superior alveolar local anesthetic block?
A. MSA block
B. NP block
C. PSA block
D. ASA block
C. PSA block


Which of the following can serve as a landmark for the AMSA local anesthetic block?
A. Incisive papilla
B. Premolars
C. Lesser palatine foramen
D. Canine eminence
B. Premolars

Which of the following is considered a true mandibular local anesthetic block b/c it anesthetizes the entire
mandibular nerve?
A. PSA block
B. V-A block
C. IA block
D. G-G block
E. Buccal block
D. G-G block


Which of the following landmarks should be noted when administering a G-G local anesthetic block?
A. Maxillary second molar
B. Contralateral labial commissure
C. Coronoid notch
D. Pterygomandibular space
A. Maxillary second molar


Which of the following local anesthetic blocks is USUALLY associated w/ self-inflicted trauma?
A. PSA block
B. IA block
C. GP block
D. AMSA block
B. IA block


Which of the following local anesthetic blocks has a HIGH risk of positive aspiration?