ClassIV High Power Therapy VS LLLT

Laser light energy is highly absorbed by skin and subcutaneous
tissue, therefore, penetration is key to therapeutic result.
Longer wavelengths and higher power output result in
deeper penetration and higher dosage to the tissue. Larger
laser therapeutic dosage levels produce improved clinical
outcomes as illustrated in the case and interventional studies
cited above. LLLT (Classes I-III) does not provide optimal
clinical outcomes in most disease conditions because they
cannot deliver the necessary dosage to deep structures
without using excessively long treatment times. Class IV
lasers have been shown to provide both the wavelengths and
output power levels necessary to trigger therapeutic cellular
metabolic changes.

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