The Smile Agency Orthodontics & Smile Design: Karen Guinn, DDS

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1290 S Sunset Ave
West Covina, CA 91790
The Smile Agency is the home of San Gabriel Valley's leading experts in smile design and transformation. Under the leadership of Dr. Guinn, her amazing team works together to transform smiles and deliver results each patient is proud of. Whether you have a gummy smile, missing teeth, an open bite, or any other orthodontic issue, Dr. Guinn and her 30+ years of extensive knowledge and experience can deliver you the smile you have always wanted. Braces, Invisalign, sleep apnea, laser treatment, teeth whitening, TADS, mouth guards, botox, facial esthetics and smile design can all be found here!

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4.535 reviews
Guadalupe P.
4/3/2025

This orthodontist is amazing all the staff is nice and professional The place and the care quality is amazing they always willing to help all your needs 100 % recommended.

Shu H.
8/6/2025

if i had the option to not rate this i would give it a 0 star. if you're going to take your children, or even yourself to this dentist office, i am praying for you to run as far away as possible....

Margarita G.
7/9/2023

Brought my daughter here for ortho treatment. Dr. Guinn recommended additional treatment for the visible gummy smile my daughter had. We went along with recommendation and it made a huge...

Essence C.
3/7/2024

This has been a great experience. I enjoyed every process . Dana and all the staff has been great . My teeth came out wonderful. I recommend coming and experiencing yourself .

Mallory S.
11/30/2023

Highly recommend this place! Dr. Gwen and the team are so amazing. They have done a great job with my daughter's teeth, a complete transformation. She had a small tooth called peg lateral which...

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Smile Agency

ABOUTThe Smile Agency Orthodontics & Smile DesignThe Smile Agency Orthodontics & Smile Design is a dental and orthodontic practice with locations in West Covina and Pasadena, California. Skilled orthodontist, Karen Guinn, DDS, and her team make the practice a top choice for local residents, offering a wide range of advanced treatments and services to create ideal smiles.At The Smile Agency Orthodontics & Smile Design, clients can do more than just straighten their teeth. Dr. Guinn and her team boast in-depth consultations to explore oral health goals with a variety of treatment options. The team prioritizes maintaining natural teeth and limits the use of extraction.The Smile Agency Orthodontics & Smile Design treats a wide range of dental complications, including gummy smiles, malocclusion, teeth grinding, temporomandibular joint pain, snoring, and more. Advanced treatments like Botox® injections, transcutaneous electrical nerve stimulation (TENS), braces, Invisalign®, teeth whitening, snore guards, and more are offered.The team at The Smile Agency Orthodontics & Smile Design wants patients to have their ideal smile with great features besides their teeth too. They want patients to appreciate the whole package, including their teeth, gums, lips, and skin.Whether you'd like to plan a complete smile makeover or to treat pain or discomfort associated with your teeth or jaw, Dr. Guinn and her team can help. Book your one-on-one consultation by phone or online at The Smile Agency Orthodontics & Smile Design today.
United StatesCaliforniaWest CovinaThe Smile Agency Orthodontics & Smile Design: Karen Guinn, DDS

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