Why do we recommend a volume of 0.9 ml’s when other PDL injection techniques
recommend a volume of 0.2 ml ‘s per injection site?

The Wand System uses a totally different fluid dynamic.

The system deposits the anesthetic slowly at a constant rate, so the anesthetic
will diffuse along the path of least resistance, allowing for a larger volume to
be delivered.

With other techniques, a smaller volume is placed under high pressure. In
that situation, more patients will have post-operative discomfort. When the
larger volume is placed in slowly, it is rare to have a patient complain of post
anesthetic discomfort with the PDL injection. Some patients may mention
that their tongue or lip gets numb following the PDL injection. In our experience,
this is entirely normal in some patients.

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