The therapeutic use of low intensity laser (LLLT) in some diseases and its relation to the performance in speech therapy

Abstract

The use of Laser Therapy of Low Intensity (LBI) or Low Level Laser Therapy (LLLT), is
multidisciplinary, and is used by many professionals: doctors, dentists, physiotherapists, nurses, physicists,
biologists, engineers, etc. The Speech Therapy begins to awaken the interest in joining this group of
professionals, with a totally therapeutic use, non-invasive, no toxic side effects that adds to the therapeutic
work and establishes an excellent rehabilitation prognosis. Therefore, we aimed to collect some research
papers that address the physical and biochemical fundamentals of laser light interaction with the living
biological tissue and its therapeutic applicability in health specialties where we also find the work of Speech
Therapy. For this, we selected some pathology relating the use of LLLT: temporomandibular disorders
(TMD), facial palsy, dysphagia by motor dysfunction, tissue healing including the mammillary fissures
responsible for abandonment of breastfeeding. In the scope of the conditions, the action of the LASER
will be described and its effect on biomodulator processes: inflammatory, nociceptive, scarring, edematous,
nerve and muscle repair. We conclude that LLLT is a technological breakthrough and an important tool
in different fields, meaning a major evolution in health procedures, even in speech therapy. It is essential
to note that the articles present lack of standardization in dosimetry and we suggest that further studies
are developed with the standardization of the documents World Association for Laser Therapy (WALT).