Can Invisible Aligners Fix Severe Dental Problems?
MDS - Orthodontics, the Co-Founder & CEO of MakeO Toothsi. A certified lingual orthodontist with 15 years overall experience.
Updated on October 29, 2026
Yes, Toothsi invisible aligners are designed to treat several dental alignment issues, including certain severe and complex orthodontic cases. These clear aligners use custom-made trays to gradually move teeth and help correct concerns such as severe crowding, crooked teeth, gaps and bite misalignment.
However, treatment suitability depends on the severity of the condition, jaw alignment and overall oral health. Toothsi offers personalised clear aligner treatment plans based on individual dental needs.
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Can Clear Aligners Treat Complex Bite and Teeth Alignment Issues?
Yes, clear aligners can fix severe dental problems. However, the suitability of clear aligners for complex dental cases depends on the severity of the condition, the type of tooth movement required and the patient's jaw alignment. While clear aligners, especially like the ones provided by brands like Toothsi treat some complex cases, others may require braces, additional orthodontic appliances, or a combination of treatments.
Which Severe Dental Problems Can Invisible Aligners Treat?
Teeth aligners may help address several dental alignment and bite concerns, including selected complex cases. Treatment suitability depends on the severity of the condition, the movements required and whether the concern is related to tooth positioning or jaw alignment
Severe Teeth Crowding
Severe teeth crowding occurs when there isn't enough space for all the teeth to align properly, causing them to overlap, twist, or appear crowded. Teeth aligners may gradually reposition crowded teeth in suitable cases. Depending on the severity of crowding, the orthodontist may recommend additional techniques to create the space needed for alignment. The treatment plan depends on the extent of crowding and the movements required.
Severely Crooked or Rotated Teeth
Crooked or rotated teeth occur when teeth grow or shift out of their ideal positions, affecting alignment and sometimes the bite. Clear aligners apply controlled pressure to gradually correct many tooth-positioning issues. However, severely rotated teeth may require additional orthodontic techniques or alternative treatment depending on the complexity of the case.
Overbite and Deep Bite
An overbite occurs when the upper front teeth overlap the lower front teeth excessively, while a deep bite is a more pronounced form of this overlap. Clear aligners may help correct these bite problems by repositioning teeth and improving how the upper and lower teeth meet.
Underbite and Crossbite
An underbite occurs when the lower front teeth sit ahead of the upper front teeth, while a crossbite occurs when some upper teeth sit inside the lower teeth instead of outside them. Clear aligners may correct certain dental underbites and crossbite by moving teeth into better alignment.
Open Bite and Complex Bite Problems
An open bite occurs when the upper and lower teeth do not meet properly when the mouth is closed, often leaving a gap between the front or back teeth. Clear aligners may help correct selected open bites and other complex bite problems by guiding teeth into more functional positions.
Gaps Between Teeth
Gaps between teeth, also known as spacing or teeth gaps, occur when there is excess space between two or more teeth. Clear aligners can gradually bring teeth closer together to reduce or close these gaps.
Clear Aligners vs Braces for Severe Dental Problems
When comparing clear aligners vs. braces for severe crowding, the right option depends on the complexity of your dental condition, the tooth movements required, and your orthodontist's recommendation.
Clear aligners are transparent, removable trays that gradually move teeth, while braces use brackets and wires to apply continuous pressure. Both can treat a range of alignment problems, including selected complex cases.
Features | Aligners | Braces |
|---|---|---|
Treatment Suitability | Can treat severe crowding, gaps and certain bite issues depending on case complexity | Can treat a wide range of alignment issues |
Appearance | Transparent and less noticeable than traditional metal braces. | Fixed; has wires and brackets. Metal braces are more visible; ceramic and lingual options are also available. |
Removability | Can be removed for eating, brushing and flossing | Fixed to the teeth throughout treatment |
Oral hygiene | Easier to brush and floss normally after removing trays | Requires additional care to clean around brackets and wires. |
Patient Compliance | Requires consistent wear for 20 to 22 hours | Does not require daily insertion or removal by patient |
How Does Toothsi Treat Complex Teeth Alignment Problems?
Toothsi clear aligners are designed to treat a wide range of teeth alignment concerns, including many complex orthodontic cases. Here's how the Toothsi clear aligner treatment journey works.
Initial Dental Assessment
The process begins with an assessment of your teeth alignment, bite and dental concerns. Toothsi's orthodontists evaluate your case to determine whether clear aligners are suitable for your needs and identify the treatment approach required for your condition.
Digital Scanning and Treatment Planning
A 3D scan captures the shape and position of your teeth to support a personalised treatment plan. Based on your dental assessment, The orthodontists plan the required tooth movements and prepare a virtual smile preview to help you understand the proposed treatment outcome.
Custom Clear Aligners
Once you approve your personalised treatment plan, your custom-made Toothsi clear aligners are prepared. Each set applies gentle, controlled pressure to gradually move your teeth according to the prescribed plan. Wearing your teeth aligners for the recommended number of hours each day is essential for treatment progress.
Progress Monitoring
Throughout your clear aligner treatment, Toothsi's experts monitor your progress through the MakeO app and virtual consultations, with in-person support available when required.
How Much Do Clear Aligners Cost for Severe Dental Problems?
The clear aligner treatment cost in India starts from ₹35,000 to ₹4,00,000, depending on the provider, case complexity and treatment requirements.
At Toothsi, the invisible aligners price in India starts at ₹42,999 for students and ₹52,999 for adults. The final cost depends on your dental condition and personalised treatment plan.
If you are considering braces, Toothsi braces prices start at ₹35,000, with prices varying based on the type of braces and your treatment needs.
How Long Does Clear Aligner Treatment Take for Severe Cases?
Teeth aligner treatment takes 6 to 18 months, depending on the complexity of misalignment and the number of aligner trays required. At Toothsi, your orthodontist will assess your teeth and create a personalised treatment plan based on your alignment needs.
Here is an estimated timeline based on case complexity:
- Simple Misalignment: Around 24 to 32 aligner trays (upper and lower combined), with treatment taking approximately 6 to 8 months.
Moderate Misalignment: Around 32 to 40 aligner trays (upper and lower combined), with treatment taking approximately 8 to 10 months.
Severe Misalignment: Around 40 to 60 trays or more, with treatment typically taking 10 to 15 months or longer. Some cases may also require braces for a short period, depending on the orthodontist’s recommendation.
The actual number of trays and treatment duration may vary based on your dental condition and response to treatment.
Who Is a Good Candidate for Clear Aligners for Complex Cases?
Clear aligners is suitable for people with complex teeth alignment concerns, depending on their dental health and orthodontic needs. You may be a good candidate if:
Healthy Teeth and Gums: You have healthy teeth and gums, or any existing dental issues have been treated before starting aligner treatment.
Teeth Alignment Concerns: You have crowded, crooked or misaligned teeth, gaps or certain bite problems that can be treated with clear aligners.
Commitment to Treatment: You can wear your aligners for the prescribed 20–22 hours daily and follow your orthodontist's instructions.
Professional Assessment: Your teeth and bite have been evaluated by an orthodontist to determine whether clear aligners can address your specific concerns.
Eligibility depends on the complexity of your case and the tooth movements required.
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