Retainers in West Covina

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Keep your smile for life

Your orthodontic journey doesn’t end when the braces come off or your aligners are done—it’s just entering its next phase. Retainers play a crucial role in maintaining your beautiful new smile by keeping your teeth from shifting over time. At One Smile Orthodontics, we believe in making that phase as stress-free as possible. That’s why we proudly offer our retainer guarantee program. Whether you're a current patient or new to our office, you can enroll and enjoy peace of mind knowing that if you ever lose or break your retainer, you’re covered. Just ask us how to get started—and keep your smile looking its best, for life.

The benefits of retainers

Maintains your smile

Retainers prevent unwanted shifting and protect your results after months of orthodontic treatment.

Custom fit

Each retainer is custom-designed to comfortably match the unique shape and alignment of your smile.

Long-term confidence

Consistent retainer use helps ensure your smile stays straight, functional, and beautiful for years to come.

The retainer process

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1

Post-treatment consultation

Once your active orthodontic treatment is complete, we’ll schedule a visit to review your results and scan your teeth for retainer fabrication. Dr. Kim will walk you through how often to wear your retainer based on your unique case.

2

Custom retainer design

We use digital scans or impressions to craft a retainer that fits perfectly. Depending on your needs, this might be a removable clear retainer, a fixed wire behind your teeth, or a traditional acrylic model.

3

Fitting and instructions

When your retainer is ready, we’ll ensure it fits comfortably and provide detailed care instructions. You’ll learn when to wear it, how to clean it, and what to expect as your smile adjusts to retention mode.

4

Ongoing check-ins

We’ll continue to monitor your retainer and alignment during periodic visits. If you ever lose or damage your retainer, we can quickly create a replacement to keep your smile on track.

Frequently asked questions

Find answers to common questions from our clients.

Every smile is different, but most patients wear their retainers full-time at first, then transition to nighttime wear indefinitely. Teeth can shift throughout life, so wearing your retainer at night helps maintain results long-term.

We offer removable clear retainers (like Essix), bonded retainers (a fixed wire behind the teeth), and traditional Hawley retainers. Dr. Kim will help you decide which option fits best based on your treatment and lifestyle.

No worries—just call us as soon as possible. We’ll schedule a quick scan or impression to create a new one and keep your smile from shifting. The sooner we replace it, the better we can protect your results.

Real smiles.
Real stories.

If you are an adult patient who is considering a ortho treatment that you've been thinking about for your entire life, I highly recommend Dr. Kim. I was initially nervous about the process but Dr.Kim was very attentive and took time to come up with the plan that will address my concerns so I decided to start the treatment. My two main concerns were crowded lower anterior teeth and narrow upper jaw. Before starting the treatment, Dr. Kim clearly explained the treatment plan and timeline, which helped alleviate my concerns. Since I didn't want to wear the palate expander, Dr. Kim came up with alternative solution that can be done with Invisalign. Even as a first time ortho patient, I felt treatment plan was well thought out and precisely moving my teeth without causing excessive pain. I'm currently done with my initial treatment and waiting for refinements sets but I'm already very happy with the results so far. One Smile Orthodontics truly lives up to its name.

Yubin S.

I don't normally leave reviews, but after visiting Dr. Namgu Kim I feel compelled to share it.

I went for a consultation about possibly getting braces or Invisalign, and as someone who always had a lot of anxiety around dental visits, I was honestly nervous walking in. But the moment I met Dr. Kim, I felt at ease. He has a reassuring presence and a genuine way of listening that makes you feel cared for as a patient -- not rushed, not pressured, just understood.

Dr. Kim took the time to thoroughly examine my teeth, explain what he was seeing, and walk me through my options in a way that was clear and easy to understand. He pointed out details that other dentists had overlooked and laid out a step-by-step plan that made me feel confident about what comes next. He focused on what would genuinely serve my needs and comfort level. As someone with dental anxiety, that meant a lot. For the first time, I felt like I was in the hands of a specialist who really prioritized my well-being.

If you're considering orthodontic treatment -- Invisalign, braces, or even just a professional opinion -- I cannot recommend Dr. Namgu Kim highly enough. His expertise is exceptional, his communication is clear, and his compassion is unmatched. I walked out feeling informed, supported, and surprisingly excited about the next steps. Thank you!

Nick L.