A teeth adjustment arrangement includes a plurality of end retainers adapted for affixing to abutting teeth respectively； and a space expansion unit coupled between the end retainers to create an opposed expansion force against the end retainers for enlarging a corrective space between the abutting teeth corresponding to an associated tooth therebetween. Therefore, the associated tooth is adapted to concurrently move within the corrective space and align with the abutting teeth at the same time.
