Can Aligners Fix Teeth That Have Been Moved Due to Gaps?

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Can Aligners Close Gaps Between Teeth?

Whether caused by genetics, past dental work, or shifting over time, gaps between teeth—also known as diastemas—can affect both your confidence and your oral health. These spaces can trap food, lead to uneven wear, and even contribute to gum issues if left unaddressed. Yes, clear aligners are an effective way to close gaps between teeth. By applying gentle, consistent pressure, aligners gradually bring teeth closer together, resulting in a more even, harmonious smile.

Why Do Gaps Between Teeth Form?

There are several common reasons why spaces may appear between your teeth:

  • Genetic spacing or small tooth size

  • Jaw size discrepancies

  • Tooth loss, especially if replacements are delayed

  • Tongue thrusting or thumb-sucking habits

  • Periodontal disease, which can affect bone and gum support

  • Orthodontic relapse, especially if retainers weren’t used after treatment

While some gaps are purely cosmetic, others can affect bite balance or lead to oral hygiene challenges.

How Aligners Close Gaps

Clear aligners like Invisalign use a custom treatment plan and a sequence of precision-fit trays to close gaps over time. Each tray is designed to move teeth slightly—usually about 0.25 mm per aligner—until the space is closed.

The treatment process includes:

  1. A 3D digital scan of your current smile

  2. A tailored plan that maps each phase of movement

  3. Clear aligners worn for 20–22 hours per day

  4. Aligner changes every 1–2 weeks

  5. Post-treatment retainers to ensure the gaps don’t reopen

Aligners can treat single gaps, multiple spaces, or general spacing between teeth across the entire arch.

What to Expect During Treatment

  • Duration: 6–12 months on average, depending on the size and number of gaps

  • Comfort: Smooth, nearly invisible trays—no wires or brackets

  • Hygiene: Easy to brush and floss throughout treatment

  • Monitoring: In-office or virtual check-ins to track progress

  • Retention: Long-term retainer wear to prevent recurrence

With consistent wear, many patients begin to notice visible improvements within just a few months.

Are You a Good Candidate?

Aligners are ideal for closing gaps when:

  • Teeth are healthy and stable in the gums

  • The spacing is mild to moderate

  • There are no major skeletal or bite abnormalities

  • You can commit to wearing the aligners 20–22 hours per day

In some cases, your provider may use attachments or elastics to improve precision or treat more complex movements.

Dr. Bak’s Expertise in Gap Closure with Aligners

With over 25 years of experience, Dr. Bak Nguyen has helped countless patients close unwanted spaces between teeth using advanced clear aligner systems. His customized digital planning ensures that your treatment is both precise and predictable, giving you a smile that’s both functional and beautiful.

Book a free virtual consultation to learn more about your case, its treatment time and cost with Dr Bak Nguyen (the real one).

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