There is no difference between tooth extraction and non-extraction orthodontics, but rather, tooth extraction and non-extraction orthodontics are considered according to the need for orthodontics.
1. Tooth extraction: dental protrusion, usually need to remove the four first premolar, pull the front teeth back to occupy the extraction gap, to improve the symptoms of tooth protrusion, overcrowded teeth, teeth will also produce protrusion, generally also need to be extracted for orthodontic treatment.
2. No extraction: mild to moderate teeth misalignment, facial shape is not protruding, or scattered small gaps, do not need to extract the teeth can be aligned with the required gap, this case is generally considered without extraction orthodontic program.
Orthodontic treatment needs to be designed in a comprehensive way by taking pictures, measuring data, and judging whether it is bony or dental malocclusion, etc. It is recommended to follow the doctor’s instructions and cooperate with the doctor’s orthodontic program.