Orthodontics; It is the specialty of the dentistry branch that diagnoses and controls the compatibility relations of incompatible and crooked teeth concerning the teeth, jaw and face region, tries to prevent this situation, treats it and aims to provide an aesthetic function (biting, chewing, speaking, laughing). Orthodontic treatment can be applied at any age. However, especially if there are problems related to the jaw area, children should be examined before they reach puberty (10-12 years) in order to benefit from growth and development. In children aged 5-6 years, orthodontic examination is very useful for early detection of problems that can disrupt growth and development.