For Growing Children · Ages 6–10
Invisalign First
Early aligner treatment designed specifically for children — while baby and adult teeth are still mixed together. It straightens teeth and guides jaw growth at the same time, using two features built directly into the aligners.
Invisalign First is a version of Invisalign built for the mixed dentition stage — roughly ages 6 to 10, when a child has a combination of baby and permanent teeth. Instead of waiting for every adult tooth to come in, Dr Meghana and team can use this window to correct developing jaw and bite problems while the child is still growing — when correction is easier and more effective than waiting.
Why treat this early?
Growth is still active
The jaw can be guided into a better position while it is still developing — far harder once growth has finished.
Simpler corrections
Catching a narrow arch or a bite problem early usually means a shorter, simpler treatment later.
Removable, not bulky
Unlike fixed early-treatment appliances, aligners come out for eating, brushing, and sport.
One device, two jobs
Straightens erupting teeth and corrects jaw position in the same set of aligners.
Feature 1
MAF — Mandibular Advancement Feature
Some children have a lower jaw that is set back relative to the upper jaw — a receding-chin bite, often called a Class II bite. The Mandibular Advancement Feature (MAF) is a small precision wing built directly onto the aligners that gently holds the lower jaw in a forward position every time the aligners are worn.
What it does
- Postures the lower jaw forward during wear
- Corrects the bite while straightening teeth — same appliance, same visit
- Removable — unlike a fixed functional appliance
Compares to
Traditionally this correction needed a fixed functional appliance like a Twin Block — bulky, harder to clean, and unable to align teeth at the same time. MAF does the same job inside a removable, easy-to-clean aligner.
Feature 2
Built-In Palatal Expander
Some children have a narrow upper jaw — not enough room for the adult teeth to come in straight, and often linked to mouth breathing or a narrow smile. Invisalign First's palatal expander feature gently widens the upper arch over a series of aligners, the same goal as a traditional expander, without the fixed hardware.
What it does
- Gradually widens the upper jaw to create space
- Reduces crowding before adult teeth fully erupt
- Removable — no key to turn, no metal against the palate
Compares to
Traditional cases used a fixed RME (rapid maxillary expander) — a metal appliance cemented to the teeth and turned with a key. For mild-to-moderate narrowing, the aligner expander achieves the same widening more comfortably. Severe skeletal narrowing may still need a fixed RME.
At a glance
| Factor | Invisalign First | Twin Block | RME |
|---|---|---|---|
| Removable | Yes | Removable, bulky | No — fixed |
| Straightens teeth | Yes, simultaneously | No — separate phase after | No — separate phase after |
| Comfort | Smooth, low-profile | Bulky acrylic | Can affect speech initially |
| Best for | Mild–moderate correction | Moderate–significant bite correction | Significant skeletal narrowing |
Not every child needs MAF or expansion — Dr Meghana and team will assess your child's bite and jaw growth first, and recommend Invisalign First only if it is genuinely the right fit for the case.
What to expect
- 1
Assessment
A clinical exam and X-rays to check jaw growth, arch width, and bite relationship.
- 2
Digital scan & plan
A 3D scan builds a full simulation of the correction before treatment starts.
- 3
Aligners at home
Trays are changed every 1–2 weeks; worn 20–22 hours a day, same as adult Invisalign.
- 4
Regular reviews
Check-ups every 6–8 weeks to track jaw growth and tooth movement.
Is Invisalign First right for your child?
Book a consultation with Dr Meghana and team at The Tooth Stop, BTM Layout. We will assess your child's jaw growth and bite honestly, and recommend a plan only if early treatment genuinely helps.