Seven-year-old teeth crooked may be a normal situation, known as the replacement period of temporary misalignment, no need for special treatment, may be a disease situation, that is, malocclusion, to be fully erupted teeth after orthodontic treatment, as follows.
1. Under normal circumstances: temporary malocclusion occurs during the period of tooth replacement, such as maxillary mesial incisor gap, maxillary lateral incisor deviation, mild dental crowding, etc., to be gradually restored to normal after the jawbone develops completely and the other teeth erupt, no special treatment is needed.
2. In case of disease: if it is a malocclusion, it is necessary to wait for the teeth to erupt completely and then carry out orthodontic treatment, through wearing orthodontic appliances, adjusting the position of the teeth and establishing normal alignment and occlusal relationship.
It is recommended to go to regular medical institutions to receive professional treatment.