By definition, a habit is the ease that a person acquires to repeat a certain activity. Oral habits are functional behaviors that may be normal at a given time in life and it has been reported that their persistence over time may lead to the development of a bad occlusion. Thus, when the activity exceeds the individual physiological tolerance, It presents an alteration and damage can occur at the dental, muscular or articular level, it must be taken into account that to suspend a bad habit requires the cooperation of the patient and their maturity to understand the consequences of a habit.