Orthodontic alignment treatment is needed to correct improperly positioned teeth and jaws. If the teeth are crooked there are more chances of decay and gum disease. If the jaws are not properly aligned it can cause temporomandibular joint disorders. Orthodontic appliances can be both fixed and removable. They exert pressure on teeth and jaws to align them in proper position. Your orthodontist, dentist or dental hygienist will provide you with thorough instructions on how to properly clean your braces. There are many toothbrushes you can use both manual (specifically designed for orthodontic patients), power, electric or sonic. An over jet (buck teeth) or open bite, or cross bite are the most common causes of speech difficulty in a patient. Teeth must come together properly to create an air tight seal for the tongue to swallow properly in the roof of the mouth. If there is not enough room for the tongue which is often found with Cross bites or under bites, speech is affected. Occlusion is a term that is used to refer to the alignment of your teeth. Ideally, your teeth should fit easily within your mouth without any crowding or spacing issues so that there an inability to close the lips. Also, none of your teeth should be rotated or twisted. The teeth of your upper jaw should slightly overlap the teeth of your lower jaw so that the pointed ridges of your molars fit into the grooves of the opposite molar.