Completing your Invisalign treatment is a significant achievement, but maintaining that beautiful, straight smile requires ongoing care. After orthodontic treatment, teeth have a natural tendency to shift back towards their original positions. This is due to the ligaments that connect teeth to the bone, which can gradually pull the teeth back. That’s where retainers come in.

Why Retainers are Essential After Invisalign

Retainers are crucial for preserving the results of your Invisalign treatment. They help hold your teeth in their new, aligned positions while the surrounding bone and tissues stabilize. Even with the strengthening of tissues and ligaments, retainers are almost always necessary to prevent unwanted tooth movement.

Types of Retainers:

The type of retainer recommended after Invisalign can vary depending on individual needs and the outcome of the treatment. Generally, there are two main types:

Fixed Retainers (Permanent or Bonded Retainers):
- How they work: A thin wire is bonded to the back of your teeth (usually the front teeth), making it invisible to others.
- Advantages: Fixed retainers provide constant support, and there’s no need to remember to put them in or take them out (no compliance issues).
- Disadvantages: They can make flossing more challenging, potentially leading to plaque buildup and an increased risk of gingivitis if meticulous oral hygiene isn’t maintained.
Removable Retainers:
- How they work: These retainers are typically worn at night, but your orthodontist or dentist will provide specific instructions based on your needs.
- Advantages: Removable retainers allow for easier brushing and flossing, promoting better oral hygiene. They offer greater flexibility.
- Disadvantages: They require consistent wear. Forgetting to wear your removable retainer can lead to tooth movement. It is also easy to lose them.
- Types: There are two main types of removeable retainers:
  - Hawley: these are made of metal wires and acrylic.
  - Clear Plastic: they are very similar to invisalign aligners.

Maintaining Your Smile Long-Term

Follow Instructions: Adhere to your dentist’s or orthodontist’s instructions regarding retainer wear and care.
Consistent Oral Hygiene: Continue practicing excellent oral hygiene, including brushing twice a day, flossing daily, and attending regular dental check-ups.
Clean Your Retainer: Keep your retainer clean according to your dentist’s or orthodontist’s recommendations.

By understanding the importance of retainers and following post-treatment instructions, you can protect your investment in a beautiful, straight smile and enjoy the long-term benefits of your Invisalign treatment.

By Alexander Ash, DDS

Dr. Ash is the founder of Studio Dental Care. He earned his Doctorate at the University of Maryland School of Dentistry, followed by two General Residencies at New York-Presbyterian / Weill-Cornell Hospital and the UCLA Sepulveda VA Hospital.