Skip to content 
Finishing Invisalign treatment is an exciting milestone. After months of dedication, you finally have the straight, confident smile you’ve been working toward. But there’s an important next step: retention.
Without retention, teeth can shift back toward their original positions — a process called relapse. That’s why retainers are essential for protecting your results and keeping your smile for life. Here’s what you need to know about post-treatment retention, why it matters, and how to make it part of your routine.
Why Retainers Are Necessary
Teeth aren’t fixed in place by bone alone. They’re held by ligaments and soft tissues that adapt slowly to new positions. After aligner treatment:
- Teeth are more likely to shift back without support.
- The surrounding bone and gums need time to stabilize.
- Even years later, natural forces like chewing and aging can cause gradual movement.
Retainers provide the stability needed to lock in your results.
Types of Retainers After Aligners
There are two main types of retainers commonly used after Invisalign treatment:
Removable Retainers
These are clear plastic trays, similar in look to aligners.
- Pros — Easy to clean, nearly invisible, and removable for meals and brushing.
- Cons — Easy to lose or damage if not stored properly.
Removable retainers are typically worn full-time at first, then gradually reduced to nighttime wear.
Fixed (Bonded) Retainers
A thin wire is permanently attached to the back of certain teeth, usually the front lower or upper teeth.
- Pros — Provides constant support, invisible from the front, no need to remember to wear it.
- Cons — Requires careful cleaning and professional monitoring.
Many orthodontists recommend combining a fixed retainer with a removable one for extra security.
The Retention Schedule
Retention isn’t one-size-fits-all, but a common guideline looks like this:
- First 3–6 months — Wear retainers full-time, just like aligners (except when eating or brushing).
- After 6 months — Switch to nighttime-only wear.
- Long-term — Continue nightly or at least several nights a week indefinitely.
Retention is a lifelong commitment — even if wear time decreases, retainers should never be stopped entirely.
Caring for Your Retainers
Like aligners, retainers require proper care to stay clear and effective.
- Clean daily — Use lukewarm water and antibacterial soap or a retainer cleaner.
- Avoid hot water — It can warp removable retainers.
- Store properly — Keep retainers in a protective case when not in use.
- Maintain oral hygiene — Brush and floss before wearing retainers to avoid trapping bacteria.
With consistent care, most retainers last several years before replacement is needed.
What Happens If You Don’t Wear Retainers
Skipping retainers, even for short periods, can allow teeth to shift. Common consequences include:
- Minor crowding or spacing returning
- Bite changes
- Needing orthodontic treatment again in the future
Relapse can happen quickly — sometimes within weeks. That’s why staying consistent with retention is critical.
Replacing Retainers
Even with good care, retainers eventually wear out. Signs it’s time for a replacement include:
- Cracks, warping, or discoloration
- Loose fit or lack of snugness
- Discomfort when wearing
If a retainer is lost or broken, it’s important to replace it quickly before teeth begin shifting.
Retention Is for Life
Straight teeth are an investment worth protecting. Think of retainers as insurance for your smile — a small daily habit that saves you from undoing months or years of treatment. With consistent use, you can enjoy the confidence of a healthy, aligned smile for a lifetime.
Ready to Protect Your Smile?
Completing Invisalign treatment is just the beginning of your new smile journey. At Speaks Orthodontics in Denver, CO, Dr. Clif Speaks provides customized retention plans, including both removable and fixed retainers, to ensure your results last a lifetime.
We proudly serve patients across Denver, including Capitol Hill, Washington Park, LoDo, and Cherry Creek.
Schedule your complimentary exam today and learn how to protect your Invisalign results with the right retainer plan.