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 What is Low Level Laser Therapy (cold laser therapy)?

Low Level Laser Therapy is also commonly referred to as LLLT, cold laser therapy or laser bio-modulation. The phototherapy treatment involves the application of monochromatic, coherent laser light to treat injuries, pain and modulate natural physiological processes. The treatment aims to stimulate regeneration, repair and reduce inflammation.

What is Low Level Laser Therapy indicated to treat?

Infra-Red Wavelengths - Deep Tissue Penetration:

  •  Sprains & strains
  •  Wounds and abrasions
  •  Haematomas
  •  Ligament, tendon and joint injuries
  •  Inflammation
  •  Chronic & acute pain
  •  Recovery and Pain control after surgery

Visible Red Wavelengths - Shallow Tissue Penetration:

  •  Wounds & abrasions
  •  Mucous membranes
  •  Post-surgical wounds
  •  Chronic non-responding skin conditions
  •  Eczema
  •  Rosacea
  •  Keloid scars
  •  Cosmetic surgery after care
  •  Burns

Multi Wavelengths:

Combined Infrared wavelengths and visible red laser therapy is often used for conditions which would benefit from multiple wavelengths simultaneously.

A consultation appointment is necessary for comprehensive assessment.

How Does Low Level Laser Work?

The effects of low level laser therapy are photochemical and photomechanical, not photothermal – hence why it is referred to as a cold laser therapy.

The photon-absorption effects occur when the photons enter the tissue and are absorbed by certain photoreceptive molecules in the mitochondria and within the cell membrane. The photon energy is then converted to a chemical energy within the cell, and is utilised in the form of ATP (energy).

Speckles of laser light formed in the tissue change temperature and pressure gradients across the cellular membranes, therefore increasing the rate of diffusion. The photons of the laser are highly polarized, unlike the non-coherent light, leading to increased absorption and improved results particularly in the deeper tissues.

Low level laser therapy photo-biological effects

1. Healing through growth factor responses :
  •  Increased ATP and protein synthesis
  •  Improved cell proliferation
  •  Change in cell membrane permeability to calcium up-take
2. Pain Relief through:
  •  Increased endorphin release
  •  Increased serotonin
  •  Suppression of nociceptor action
3. Immune system support through:
  •  Increasing levels of lymphocyte activity
  •  Photo-modulation of blood

Low level laser therapy optimises the speed of repair in acute injuries but will also stimulate the body's repair processes in cases of non-healing or chronic wound or injured conditions.

For further information or consultation with expert Dermal clinicians please call 03 8686 5786

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