Partes saliva in orthodontics

Saliva is a biologic fluid secreted from the salivary glands in the oral cavity performs various functions such as protection, digestion and lubrication. It is a necessary factor for adequate speech articulation. The environment of the oral cavity is to a large degree created and regulated by saliva. Any disorder and symptoms of any disease can be easily diagnosed from the abnormal secretion of saliva and function. Hence the knowledge of salivary glands, secretion and function is important. The aim of this article is to review the composition, functions and its influence in diagnosis and the orthodontic implications.