How Does Invisalign® Work?

Invisalign is a popular and effective alternative to traditional metal braces for straightening teeth. Unlike braces, which use brackets and wires to gradually move teeth into their desired positions, Invisalign utilizes a series of clear, removable aligners. These aligners are custom-made to fit snugly over your teeth and are designed to gently shift them into the correct alignment over time.

How Does Invisalign Achieve Tooth Movement?

Invisalign aligners are created using advanced 3D computer imaging technology. This technology allows dentists to map out a precise treatment plan for each patient, specifying the exact movements required for each tooth. Based on this plan, a series of aligners are designed, each representing a slight adjustment in tooth position.

When you wear each aligner, it applies a controlled force to specific teeth, gradually guiding them into their new positions. As you progress through the series of aligners, your teeth will continue to move until they reach their final, aligned positions.

The Invisalign Treatment Process

The Invisalign treatment process typically involves the following steps:

  1. Consultation and Treatment Planning: Your dentist will assess your teeth and bite to determine if Invisalign is an appropriate treatment option for you. If so, they will take digital scans or impressions of your teeth to create a detailed treatment plan.

  2. Aligner Fabrication: Based on the treatment plan, a series of custom-made Invisalign aligners will be fabricated. You will typically receive several sets of aligners at once, each set designed to be worn for a specific period, usually around two weeks.

  3. Wearing the Aligners: You will need to wear each aligner for 20-22 hours per day, removing them only for eating, drinking, and brushing and flossing your teeth. As you progress through the series of aligners, your teeth will gradually move into their new positions.

  4. Regular Dental Checkups: You will need to schedule regular checkups with your dentist throughout the treatment process to monitor your progress and ensure the aligners are fitting properly.

Benefits of Invisalign Treatment

Invisalign offers several advantages over traditional metal braces, including:

  • Clear and Discreet: Invisalign aligners are virtually invisible, allowing you to straighten your teeth without the social stigma associated with metal braces.

  • Removable for Eating and Cleaning: You can remove your Invisalign aligners for eating and cleaning, making it easier to maintain good oral hygiene during treatment.

  • Comfortable to Wear: Invisalign aligners are smooth and comfortable to wear, causing minimal discomfort or irritation.

  • Effective for a Wide Range of Cases: Invisalign can effectively treat a variety of orthodontic issues, from minor misalignments to more complex cases.

Considerations for Invisalign Treatment

While Invisalign is an excellent option for many patients, it’s important to consider the following factors:

  • Treatment Duration: Invisalign treatment typically takes 12-18 months, depending on the complexity of the case.

  • Compliance with Aligner Wear: Successful treatment requires consistent wear of the aligners for 20-22 hours per day.

  • Cost: Invisalign treatment may be more expensive than traditional metal braces.


Invisalign has revolutionized orthodontic treatment, offering a clear, comfortable, and effective way to achieve a straight smile. If you are considering straightening your teeth, consult with your dentist to determine if Invisalign is the right option for you. With proper care and compliance, you can enjoy a beautiful, confident smile and improved oral health. Please find the dental office near you in these locations: Attleboro, Chelmsford, Hyde Park, Jamaica Plain, Lynn, Manchester, Methuen, Roslindale, Taunton.

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