By Marissa Velazquez Laser Therapy Coquitlam can produce great results for tissue healing and pain management. The instruments used are classified according to power output, Class 3a has a maximum of 5 milliwatts, Class 3b is a maximum output of 500 milliwatts and Class 4 is anything over 500 milliwatts. Most Class 3a instruments use red wavelength and penetrate one to two millimeters, or about 1/8 inch, into the derma. The red laser is good for treating abrasions, cuts, and superficial wounds, but they are not useful for pain relief. Infrared lasers penetrate deeper and can go several centimeters into the body which will reach most injured tissue. The Class 4 provides a more therapeutic level of light to a larger area of damaged tissue, the light penetrates to a deeper level which...