Teeth shifting after stopping a retainer is quite common, especially in the first few months after braces treatment. After braces are removed, the teeth and surrounding tissues need time to fully stabilise in their new position. Retainers help hold the teeth in place, and when they are stopped suddenly, small gaps or movement can sometimes return quickly. The chances of teeth becoming properly aligned without braces depend on how much movement has already happened. In very mild shifting, wearing the retainer again may sometimes help if it still fits comfortably, but forcing a tight retainer should be avoided because it may damage the teeth or gums. In some cases, dentists may suggest a new retainer or minor correction treatment instead of full braces again. Try not to delay dental follow-up because early correction is usually easier. Maintain good oral hygiene and avoid habits such as tongue thrusting or nail biting that can affect tooth position. Please consult your doctor soon so the movement can be assessed before the gaps increase further.