Abstract

Objectives: The present review has been prepared in order to emphasize various types of lip exercise used for correcting the poor posture of lip musculature, necessary for the increase of the lip length and strength that is helpful in the creation of a lip seal. Data and Sources: A literature review and articles were collected using PubMed, Scopus, Research gate and Google Scholar to search for lip exercise in orthodontics.Conclusions: The aim of the lip exercises is the creation of normal function and health in orofacial musculatures, due to the fact that they represent significant elements in that aid in normal occlusion growth and development, however, not substitute for the mechanical appliances.