• 367 Maidstone Road, Wigmore, Gillingham, Kent, ME8 0HT
Invisalign patient getting a consultation.
27 February 2026

The Invisalign Process: Step-by-Step Guide to What to Expect

If you’re considering Invisalign teeth straightening, it’s completely normal to wonder what actually happens during Invisalign treatment. Many patients feel unsure about the steps involved, what appointments are like, and how the process works from start to finish.

At Toothcare Dental in Wigmore, Gillingham, we guide you through every stage carefully, ensuring you feel informed and confident throughout your smile journey. Below is a clear, step-by-step explanation of what to expect.

Step 1: Initial Consultation and Suitability Assessment

Your Invisalign journey begins with a comprehensive consultation. During this appointment, we assess your teeth, bite and overall oral health to determine whether Invisalign is suitable for you.

We’ll discuss:

  • Your smile goals
  • Any concerns about crowding, gaps or bite alignment
  • Your dental and medical history
  • Expected treatment timeframe

This is also your opportunity to ask questions and understand what results are realistically achievable.

Step 2: Digital Scan and Treatment Planning

If Invisalign is right for you, the next step is taking a detailed digital scan of your teeth. We use advanced iTero™ 3D scanning technology to create a precise model of your smile.

Unlike traditional impressions, digital scanning is quick, comfortable and highly accurate. The scan allows us to map out the exact movements your teeth need to make.

Using this data, a customised treatment plan is created, showing each stage of tooth movement from start to finish.

Step 3: Your Smile Preview

One of the most exciting parts of the Invisalign process is seeing a preview of your future smile. The digital treatment plan allows you to view a projected result before treatment even begins.

This preview helps you understand how your teeth will gradually move and gives you confidence in the final outcome.

Step 4: Receiving Your Aligners

Once your aligners are ready, you’ll return to the practice to collect them. You’ll receive a series of clear, removable aligners, each designed to move your teeth slightly closer to their final position.

Most patients change aligners every one to two weeks, following the schedule provided. Each aligner should be worn for 20–22 hours per day for the best results.

At this stage, we will also explain how to insert, remove and care for your aligners properly.

Step 5: Attachments and Minor Adjustments

Some patients require small tooth-coloured attachments. These are tiny composite shapes bonded to specific teeth to help the aligners grip and guide more precise movement.

Attachments are discreet and usually not noticeable in everyday life.

In certain cases, minor enamel reshaping may be recommended to create space and improve alignment efficiency. These adjustments are minimal and carefully planned.

Step 6: Check-Up Appointments

Throughout treatment, you’ll attend periodic review appointments so we can monitor your progress. These visits are typically quick and allow us to ensure your teeth are moving as planned.

If everything is progressing correctly, you’ll simply continue with your next set of aligners.

Step 7: Refinement Stage (If Needed)

After completing your initial series of aligners, we assess your results. Sometimes, small refinements are needed to perfect the final positioning.

This involves taking a new scan and providing additional aligners to fine-tune your smile. Refinements are common and help achieve the best possible outcome.

Step 8: The Retention Phase

Once your teeth have reached their ideal position, treatment moves into the retention phase. Retainers are essential to maintain your new smile and prevent teeth from shifting back.

Initially, retainers may need to be worn full-time before transitioning to night-time wear only. Following this advice carefully protects your long-term results.

How Long Does the Invisalign Process Take?

Treatment length varies depending on the complexity of your case. For many patients, Invisalign treatment lasts between 6 and 18 months. Mild cases may be completed sooner, while more complex bite corrections may take longer.

Your personalised plan will provide a clearer estimate during your consultation.

Ready to Start Your Invisalign Journey?

If you’ve been searching for what happens during Invisalign treatment or what to expect at your first appointment, the best next step is a consultation.

At Toothcare Dental in Wigmore, Gillingham, we provide clear guidance, personalised treatment plans and ongoing support throughout your Invisalign journey. Book an appointment with our team and take the first step towards a straighter, more confident smile.

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  • 367 Maidstone Road, Wigmore, Gillingham, Kent, ME8 0HT