Pediatric orthodontics is a specality in dentistry that include the diagnosis,prevention,interception and correction of malocclusion as well as neuromuscular and skeletal abnormalities of developing or mature orofacial structures so initial orthodontic evaluation should occur at the age of seven in pediatrics.It helps the orthodontist to begin treatment for pediatric if necessary.The role of pediatric dentistry begins in the deciduous phase,since at this time we can identify functional changes such as cross and open bites.some of the solutions include a painless tooth wear or addition of dental resin.These are treatment alternatives for children aged 2-5 years.When a change in occlusion is present waiting is always the worst option and interceptive orthodontics will help the pediatric dentist with appropriate treatment.Incorrect decision making at this diagnostic stage can unnecessarily complicate and increase the cost of corrective treatment in childhood or adolescence later on.The diagnosis of malocclusion is the exclusive competence of pediatric dentist and involves a thorough clinical examinations of the child.