Hyaluronic acid is one of the most important components of connective tissue. It present in extracellular matrix of, synovial fluid, and other tissues.
Its biological action comes from their relation to growth factors with and rule of the osmotic pressure, and tissue lubrication.
All these functions help in maintaining the structural and homeostatic integrity of the tissue. Hyaluronic acid is synthesized by most cells of the body which occurs in the cell membrane by a membrane-bound protein and secreted directly into the extracellular space mainly by fibroblasts in the existence of endotoxins.
In dentistry, hyaluronic acid has shown anti-inflammatory antiedematous, anti-bacterial and wound healing property which is useful in the treatment of many oral diseases like periodontitis which is mainly caused by different types of bacteria present in sub gingival plaque with mechanical therapy that cause tissue regeneration.
This type of treatment would beneficial to many patients especially who are susceptible to systemic diseases like cardiovascular diseases and diabetes which provoked by periodontal diseases.
The following video shows the Consequences after unsuccessful injections of hyaluronic acid for lip contouring, procedure that must be carried out by properly trained personnel.