Polarity With Continuous DC
Current
Important Consideration When Using Iontophoresis
Positive Pole
◦
Attracts - Ions
◦
Acidic Reaction
◦
Hardening of Tissues
◦
Decreased Nerve
Irritability
◦
Negative Pole
◦
Attracts + Ions
◦
Alkaline Reaction
◦
Softening of Tissues
◦
Increased Nerve
Irritability