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If your child has been told they need spacers, you might be wondering what they are, why they’re necessary, and whether they’ll cause discomfort.

Spacers (also called orthodontic separators) are small elastic or metal devices placed between back teeth to create space before braces or other orthodontic appliances are fitted. They’re commonly used in children and early teens as part of planned orthodontic treatment.

At Liverpool Orthodontics, spacers are often the first step in preparing for braces or specialised appliances — and understanding what to expect can help both parents and children feel more comfortable about the process.

What Are Spacers?

Orthodontic spacers are small rubber rings or metal springs placed between molars.

Their purpose is simple:

They gently push teeth apart to create enough room to fit orthodontic bands.

Bands are metal rings that sit around molars and anchor braces or other devices. Without enough spacing, those bands cannot be placed correctly.

Spacers are temporary — they are not a long-term appliance.

Why Do Kids Need Spacers?

Spacers are typically used when:

  • Teeth are tightly positioned
  • There isn’t enough natural space between molars
  • Bands need to be fitted for braces
  • Certain corrective appliances require anchoring

Spacers ensure proper positioning and reduce complications during the next phase of treatment.

If your child is beginning orthodontic treatment, spacers may be part of a broader plan that could include Braces for Children or other corrective options.

How Are Spacers Placed?

The process is quick and straightforward.

During the appointment:

  1. The orthodontist or clinical staff gently floss between the teeth.
  2. The spacer is stretched and positioned between the molars.
  3. It sits snugly between the teeth.

The appointment usually takes only a few minutes.

No injections or drilling are required.

Do Spacers Hurt?

This is the most common question parents ask.

Spacers may cause:

  • Mild pressure
  • Temporary soreness
  • Sensitivity when chewing

The sensation is similar to food stuck between teeth — but slightly firmer.

Discomfort usually:

  • Peaks within the first 24–48 hours
  • Gradually settles as the teeth begin to move

Most children manage well with:

  • Soft foods
  • Over-the-counter pain relief (if recommended)
  • Avoiding sticky or hard foods

How Long Do Kids Wear Spacers?

Spacers are typically worn for 3 to 10 days, depending on how much space is required.

Your orthodontist will advise when they need to return for the next stage of treatment.

It’s important that spacers remain in place until that appointment.

What If a Spacer Falls Out?

Spacers can occasionally fall out if:

  • There is already enough space
  • The child eats sticky foods
  • Flossing dislodges it

If a spacer falls out:

  • Contact your orthodontic clinic
  • Do not attempt to replace it yourself

Your orthodontist will advise whether it needs to be reinserted.

What Kids Should Avoid While Wearing Spacers

To prevent dislodging spacers, children should avoid:

  • Chewing gum
  • Sticky lollies
  • Caramels
  • Toffees
  • Hard foods

Brushing should continue as normal, but flossing between spacer teeth should be avoided.

How Spacers Fit Into the Bigger Picture

Spacers are often just the beginning of treatment.

They prepare the mouth for:

  • Braces
  • Expanders
  • Space maintainers
  • Other orthodontic appliances

Early orthodontic assessment is recommended around age 7. If you’re unsure whether your child needs orthodontic evaluation, you can book a consultation through Liverpool Orthodontics.

Tips for Parents

Helping your child feel comfortable during this stage makes a big difference.

You can:

  • Explain that the feeling is temporary
  • Offer soft foods during the first few days
  • Monitor discomfort levels
  • Encourage gentle brushing
  • Keep follow-up appointments

Reassurance is often the best medicine.

When to Contact the Orthodontist

You should contact your orthodontic clinic if your child experiences:

  • Severe or worsening pain
  • Swelling
  • Bleeding
  • A spacer lodged under the gum
  • A spacer that falls out very early

These situations are uncommon but should be assessed promptly.

Spacers are a small but important part of many children’s orthodontic journeys.

They:

  • Create necessary space
  • Prepare teeth for braces
  • Improve treatment accuracy
  • Support long-term alignment outcomes

While they may cause mild temporary discomfort, they are safe, short-term and highly effective.

If your child has been recommended spacers or braces, speaking with an experienced orthodontic team can provide clarity and reassurance at every stage.