Orthodontic rubber bands (elastics): why they are prescribed and how to wear them

Key facts

• Elastics correct how upper and lower teeth bite together
• Usually worn 20–22 hours a day unless told night-only
• Replace them several times a day, as they lose strength
• Tenderness for a few days is common and usually settles
• Inconsistent wear is a common cause of longer treatment

What inter-arch elastics do

Brackets and wires straighten teeth within each arch, but they cannot by themselves change how the upper and lower teeth meet. Inter-arch elastics run from a hook on an upper bracket or band to a hook on a lower one, applying a gentle, continuous pull between the arches. Depending on the direction, they can help correct an overjet (upper teeth sticking out), reduce an underbite tendency, close an open bite, correct a crossbite, settle the teeth into a tight final bite or centre the midlines. They are also used with clear aligners, attached to small buttons or cut-outs. The pattern, size and force are chosen for your bite and may change as treatment progresses.

How many hours a day to wear them

Most prescriptions ask for elastics to be worn around the clock, roughly 20 to 22 hours a day, taken out only for eating, brushing and putting in fresh ones. Some patterns are for night-time only, and your orthodontist will say clearly which applies to you. Elastics lose their strength within hours, so they are usually replaced several times a day, typically after meals, with a fresh pair at bedtime. Carry spare bags with you to school, work or travel. If you run out, contact the clinic rather than doubling up or using non-orthodontic bands, as the wrong force or material can move teeth in unwanted ways or irritate the gums.

Soreness and getting used to them

It is common for teeth to feel tender for the first few days after starting elastics or changing to a new pattern, because the bite is being actively moved. The discomfort usually settles as you get used to them, and it is often worse if wear is stop-start, since teeth re-tighten each time. Simple pain relief that you normally tolerate, soft foods for a day or two and orthodontic wax over any rubbing hooks can help. Opening your mouth very wide, for example when yawning, may pop an elastic off; just replace it. If a hook breaks, a bracket comes loose or pain persists or worsens, contact the clinic for advice.

What happens if you skip them

Elastics work only while they are in. Wearing them inconsistently is one of the most common reasons treatment takes longer than planned. When elastics are left out, teeth tend to drift back towards the starting bite, so progress is lost and has to be regained. The orthodontist may then need extra appointments, stronger mechanics or, in some cases, alternatives such as mini-implants (TADs) or a functional appliance to achieve the bite correction. Dr. Pacha monitors progress at each visit and will tell you honestly if the bite is not moving as expected. Small daily habits, such as keeping elastics next to your toothbrush, make a large difference.

Who prescribes elastics at Manhal

At Manhal Medical Center, elastic patterns are planned by Consultant Orthodontist Dr. Moaiyad Pacha, who holds a clinical PhD from Queen Mary University of London and the M.Orth and F.Orth diplomas of the Royal Colleges of Surgeons of Edinburgh and England. He combines elastics with braces, aligners, expansion appliances or TADs depending on the diagnosis, which is based on clinical examination, digital scans and X-rays or CBCT 3D imaging where indicated. If you are transferring from another orthodontist or are unsure about your instructions, bring your appliance details and the clinic can advise. Contact the clinic for Dr. Pacha’s Dubai consultation dates.

Fixed braces use brackets and wires to move teeth with high control. They remain one of the most predictable options for complex crowding, rotations and bite correction.

Prepared by the Manhal Medical Center editorial team · Updated: 2026-10-18 · Treating specialist: Dr. Moaiyad Pacha

This page is general information and does not replace a consultation. Suitability, risks and results vary between patients.