Long term evaluation of orthodontic diagnoses made at the ages of 7 and 10 years.

摘要: 200 children selected at random, were examined the ages of 7, 10, 12 and 15. The reliability orthodontic diagnosis made age 7 was tested different ages. In severe cases judged to be in need corrective treatment persisted. Of 69 observation 66.7 per cent or had already been treated by those who not any every third Considerable changes occlusion took place between Most misjudgements about dental arch crowding. At ten condition could seen more clearly. Surprising crowding for example, retained cuspids development scissors-bite, occurred even after 12. Repeated check-ups are required 15 evaluate real requirements treatment. total an cohort high (23–46 cent). An index rank according severity malocclusion is administrative necessity.