Which Statement Regarding the Wand PDL Injection Is TRUE

Multiple Choice

Which statement regarding the Wand PDL injection is TRUE?

A) Aspiration is required
B) Anterior teeth have one injection site, and posterior teeth have two injection sites
C) The penetration site on the maxilla is on the lingual aspect; it is on the facial aspect on the mandible
D) One half cartridge is delivered at each site
E) Fast or slow flow can be used