Paediatric Orthodontics
Early treatment,
lasting results —
for growing smiles
Angel Aligner KiD is a clear aligner system designed from the ground up for children aged 6 and above. Clinically indicated for the mixed dentition phase — from the first signs of a problem through to active treatment.
6+
Years — recommended starting age for paediatric aligner therapy
20+
Years of evidence-based clinical expertise
2M+
Smiles treated globally with Angel Aligner
Engineered for mixed dentition — not adapted from adult systems
3D treatment plan approved before production
Appointments every 6–8 weeks
Prescribed by qualified orthodontists only
About the product
What is Angel Aligner KiD?
Angel Aligner KiD is a comprehensive range of paediatric clear aligner solutions designed for children in the mixed dentition phase — the period when primary (baby) teeth and permanent teeth are present in the mouth simultaneously, typically between the ages of 6 and 12.Unlike standard adult aligner systems applied to younger patients as a workaround, KiD is engineered specifically for the anatomical and developmental realities of a child’s growing mouth. Its soft, high-adaptability polymer wraps teeth more closely than standard aligner materials, and its purpose-built attachment system addresses the clinical challenge posed by partially erupted permanent teeth with limited crown height.
Research consistently demonstrates that early orthodontic intervention — particularly during the mixed dentition phase — can reduce treatment complexity later, shorten overall treatment duration, and in some cases avoid the need for more invasive procedures such as tooth extraction.[1] KiD’s three-phase clinical approach supports the orthodontist in intervening at exactly the right stage of development.
Treatment is prescribed and managed exclusively by a qualified orthodontic professional. Every case begins with a personalised 3D treatment plan, reviewed and approved through Angel Aligner’s clinical platform, iOrtho™, before a single aligner is produced.
Why timing matters: The mixed dentition phase is one of the most clinically significant windows in a child’s dental development. Early intervention during this period can guide jaw growth, create space for erupting permanent teeth, and correct harmful oral habits before they cause long-term structural
changes.[2]
6+
Recommended starting age for KiD treatment
20-22h
Daily wear recommended for optimal results
1–2 wks
Between aligner tray changes
6–8 wks
Between follow-up appointments
KiD is a medical device available exclusively through qualified orthodontic professionals — it is not available for direct purchase by parents or patients.
Clinical Approach
Three phases of early orthodontic care
KiD supports clinically appropriate intervention across the full arc of a child’s orthodontic development — from the earliest signs of a problem through active correction.
1
Phase 1
Prevention Early
Maintain the normal arch form and stimulate healthy stomatognathic function before problems fully develop. Preventive intervention at this earliest phase can reduce the complexity — or eliminate the need — for more intensive treatment in adolescence. Indicated when risk factors are identified but active malocclusion has not yet established.
2
Phase 2
Guiding Early
Guide the normal eruption of permanent teeth and encourage the mandible to develop in the correct direction. KiD aligners support functional jaw guidance without restricting natural growth patterns — an important clinical distinction that differentiates them from rigid fixed appliances during a period of rapid skeletal change.
3
Phase 3
Interception Early
Actively address deformities and harmful oral habits — including mouth breathing, lip biting, tongue thrusting, and early crowding or crossbite — that have already developed. Early interceptive treatment is most effective before these patterns become structurally reinforced, making timing critical.[3]
Indications
Conditions Angel Aligner KiD addresses
KiD is indicated for a range of paediatric orthodontic presentations. Suitability is assessed and confirmed by the treating orthodontist following clinical examination.
Irregular Dentition
Crowding, rotation, or displacement as permanent teeth erupt alongside primary teeth, creating irregular alignment patterns that benefit from early management.
Narrow Dental Arch
Insufficient arch width limiting space for permanent teeth and affecting bite development. Arch guidance at this stage can reduce the likelihood of future extraction treatment.
Lip Biting & Tongue Thrusting
Persistent oral habits that distort dental development, affect tooth position, and alter the resting equilibrium of the dentition if left unaddressed during growth.
Mouth Breathing
Chronic mouth breathing is associated with altered facial development, changes in jaw posture, and dental arch narrowing. KiD’s facial management solutions can address contributing structural factors.
Why KiD
Engineered for children — not adapted from adults
Two clinically significant design differences set KiD apart from standard aligner systems applied to younger patients as a workaround.
Soft material with excellent adaptability
KiD aligners are manufactured from a soft, high-adaptability polymer specifically chosen for children’s comfort. The material conforms closely to teeth, reducing soft tissue irritation and pressure discomfort. Compliance — wearing aligners for the prescribed 20–22 hours daily — is the single most important factor in treatment success, and comfort directly drives it.
Special attachments for mixed dentition
Permanent teeth in the mixed dentition phase are only partially erupted, giving them limited clinical crown height — a known challenge for standard aligner attachments. KiD uses purpose-designed smaller attachments that provide strong mechanical retention with reduced gingival irritation, making them clinically appropriate for the shorter, developing crown dimensions of a child’s teeth.
Lower-frequency appointments
Follow-up visits are typically spaced 6 to 8 weeks apart — considerably less frequent than the monthly appointments commonly required with fixed appliances. This reduces disruption to the child’s school schedule and the logistical burden on families, while the 3D treatment plan manages tooth movement between visits.
Personalised 3D treatment plan before production
Every KiD case is planned in 3D through iOrtho™ and reviewed by the treating orthodontist before any aligners are manufactured. Nothing is produced until the plan is approved — giving clinician and family a clear view of the expected tooth movement and outcome from the outset.
Treatment options
Clear aligners vs fixed braces for children
Neither treatment is universally superior — the right choice depends on the child’s specific clinical needs, age, and compliance patterns. Your child’s orthodontist will recommend the most appropriate approach based on their individual presentation.
Consideration
Angel Aligner KiD
Fixed Braces
Aesthetics during treatment
✓ Nearly invisible when worn
Visible metal or ceramic brackets
Oral hygiene access
✓ Removed for brushing and flossing — full access
Brackets and wires make thorough cleaning more difficult
Dietary restrictions
✓ None — aligners removed at mealtimes
Hard, sticky foods should be avoided
Comfort during treatment
✓ Soft polymer — no wires or bracket irritation
Wire adjustments can cause periodic soreness; brackets may irritate soft tissue
Appointment frequency
✓ Every 6–8 weeks
Typically every 4–6 weeks for wire adjustments
Compliance required
High — child must wear aligners 20–22h/day consistently
Compliance built in — braces are fixed and always active
Complex tooth movement
Effective for many mixed dentition cases; orthodontist assesses suitability
✓ Effective across a wider range of movement types
Clinical note: The decision between clear aligners and fixed appliances for a child should always be made in consultation with a qualified orthodontist, who can assess case suitability, jaw development stage, and realistic compliance expectations for your child’s age and temperament.
Clinical Solutions
Angel Aligner KiD Face Management Solutions
Beyond standard aligner trays, the KiD system includes a suite of clinically targeted appliances to address specific functional and structural concerns in growing children. These solutions extend the system’s capability beyond simple tooth alignment into broader dentofacial development management.
The appropriate solution is selected and prescribed by the treating orthodontist based on the child’s specific clinical presentation and developmental stage. Not all solutions are indicated for every case. Suitability requires a full clinical assessment.
For parents
Frequently asked questions about KiD
Common questions from parents considering Angel Aligner KiD for their child. For clinical questions specific to your child’s case, always consult their orthodontist.
Angel Aligner KiD is designed for children aged 6 and above in the mixed dentition phase, when both baby teeth and permanent teeth are present. The optimal starting age depends on your child's specific orthodontic needs and will be determined by their orthodontist following a clinical assessment. Earlier intervention is not always better — the treating orthodontist will recommend timing based on what is clinically indicated.
For best results, aligners should be worn 20 to 22 hours per day. They must be removed for eating, drinking hot beverages, and cleaning. Each set of aligners is typically changed every 1 to 2 weeks, as directed by the treating orthodontist. Consistent wear is the most important factor in achieving the treatment outcome shown in the 3D plan.
Yes — this is one of the practical advantages of clear aligner treatment. Aligners must be removed before eating or drinking anything other than water. There are no dietary restrictions, as your child simply removes the aligners at mealtimes and replaces them straight after. Foods that are harmful to oral health generally — high sugar foods and drinks — should be moderated regardless of treatment.
Follow-up appointments are typically scheduled every 6 to 8 weeks. This is less frequent than many fixed appliance schedules, which often require monthly adjustment visits. The exact cadence will be set by your child's orthodontist based on the treatment plan and how their teeth are responding.
KiD aligners are made from a soft polymer specifically chosen for children's comfort — they wrap teeth closely and have no metal wires or brackets to irritate the cheeks or gums. Some mild pressure is normal and expected when switching to a new aligner tray; this typically resolves within one to two days as teeth begin to move. If a child experiences persistent discomfort or pain beyond this, they should be seen by their orthodontist.
>Angel Aligner KiD aligners are nearly invisible when worn. Many children are self-conscious about orthodontic appliances during school years, and the discreet appearance of clear aligners is frequently cited by parents as a significant factor in their child's confidence and willingness to wear them consistently — which in turn improves treatment outcomes.
For many paediatric cases — particularly in the mixed dentition phase where the focus is on arch development, guided eruption, and habit correction — clear aligners are clinically appropriate and effective. The KiD system includes specialist Face Management Solutions that address functional and structural issues beyond simple tooth alignment. For very complex tooth movement, fixed appliances may be more suitable. Your child's orthodontist will recommend the approach best matched to the clinical needs of the case.
Signs that may indicate a child could benefit from an orthodontic assessment include: visible crowding or spacing as permanent teeth erupt; a crossbite or deep bite; thumb sucking or finger habits persisting beyond age 5; mouth breathing; difficulty chewing; or early or late loss of baby teeth. The British Orthodontic Society and the American Association of Orthodontists both recommend an initial orthodontic assessment by age 7.[4] An assessment does not mean treatment is needed immediately — it gives the orthodontist the information to advise on timing.
No. Angel Aligner KiD is a medical device available exclusively through qualified orthodontic professionals. Treatment begins with a full clinical assessment and a personalised 3D treatment plan designed and approved by a certified orthodontist. If you are interested in KiD treatment for your child, speak to an orthodontist in your area.
Following active treatment, retention is typically recommended to maintain the results as the jaw and dentition continue to develop. The treating orthodontist will advise on the appropriate retention protocol for your child. In some cases, a second phase of treatment may be recommended during full permanent dentition — again, the timing and need for this will be determined by the orthodontist based on clinical monitoring.
Next step
Speak to an orthodontist about KiD treatment
Our clinical team is available to answer case-specific questions, walk through the iOrtho™ platform, and support your first Pro cases from submission through delivery.
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