Summary

The Smile Agency offers comprehensive orthodontic care for children, adolescents and adults. Dr. Karen Guinn and The Smile Agency offer the latest technology in braces using the Damon System which utilize the arch wires developed by NASA to enhance the effectiveness of movement. Zap lasers to remove excess gum tissue, mini implants and treatment veneers.
The doctors and team at The Smile Agency want every aspect of your visit with us to be as pleasant and comfortable as possible. Our treatment team is made up of several registered dental hygienists, registered dental assistants and each member has a coronal polishing and radiology certificates. All team members attend regular continuing education courses such as meetings with The American Association of Orthodontists, The Pacific Coast Society of Orthodontists and The California Dental Association. The orthodontic team also attends extended training courses on the Invisalign and Damon Systems.
The Smile Agency is a state of the art facility offering the most advanced materials and techniques available. We utilize the cutting edge in digital radiology and photography so that we can make a concise diagnosis of  dental and oral orthodontic problems. Treatment forecasting and computerized facial morphing are used to accurately predict the length of treatment. And illustrate what the patients smile might look like after treatment. We use the very latest in materials and orthodontic care such as the Damon Bracket System and the Invisalign System. Our state of the art sterilization techniques make certain of each patients safety.
Many Adults looking for their children assume they should wait until a child has permanent teeth before seeing an orthodontist. In many cases treatment would be much easier if developing problems were detected earlier. The American Association of Orthodontists also agrees that your child should see an orthodontist no later than age 7. Early evaluation is often the key to more efficient treatment because it allows the orthodontist to determine the optimum time to begin treatment.
Crooked teeth, gaps between teeth and overlapping teeth can all be signs that your child may need orthodontic treatment. If you see any of these signs or if you suspect a problem it is advisable to see an orthodontist. Additional indications that your child may need orthodontic treatment include; difficulty in chewing or biting which can affect your child's oral health and comfort.
We strive to provide energetic and fun loving care to each patient.
While we can provide you with an estimate. There is no way for our staff to predict exactly how long your orthodontic treatment will take to complete.
People vary in their response to orthodontic treatment so the total process may take more of less time depending on a range of individual influences. Our main concern is that your treatment is consistent with your oral tissue health and provides minimal discomfort and maximum stability.
Dr. Karen Guinn and The Smile Agency team have created an office setting that is comfortable for our patients. Our reception area offers coffee, refreshing spa water, current periodicals, flat screen television, overhead music and a homework video game area for kids.
Our treatment rooms offer magazines, overhead music, video games and televisions in every operatory. Ask our front desk team about our contests and great prizes.
Our office accepts Visa, Master Card, Discover and American Express. As one of many services to our patients we provide payment plans for orthodontic treatment. We will file insurance claims for you and our financial team will be happy to help you determine your optimal benefits. For more information please speak with a member of our team.
Click here to be connected to a memebr of our team today for your no obligation exam and consultation!
The Smile Agency has two conveniently located offices:
1175 E Green St
Pasadena, CA 91106
Our Pasadena office is 4 blocks east of Lake Ave, 1 block south of Colorado Blvd at the corner of Green St and Michigan Ave.
and:
1290 S. Sunset Ave.
West
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Quick Facts

  • accepting new patients
  • 1 insurance plan accepted
  • 2 specialties
  • 9 areas of expertise
  • 2 office locations
  • Female

Office Locations

Dr. Karen E Guinn has 2 locations

The Smile Agency

1175 E Green StPasadena, CA 91106
Mon9:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed9:00 am - 6:00 pm
Thu9:00 am - 6:00 pm
Fri9:00 am - 6:00 pm
SatClosed
SunClosed

The Smile Agency

1290 S Sunset AveWest Covina, CA 91790
MonClosed
TueClosed
WedClosed
Thu9:00 am - 6:00 pm
FriClosed
SatClosed
SunClosed

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Dr. Karen E Guinn
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Dr. Karen E GuinnDr. Arsh Ahuja, DDSDr. Michael P Giovannini, DDSDr. Bryant Nguyen, DDS
DentistryDentistryDentistryDentistry
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
18 Years of Experience 16 Years of Experience
No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English, Spanish
Pasadena , CACulver City , CAPalmdale , CALA HABRA , CA
Med School: Arthur A. Dugoni School of Dentistry in San Francisco Med School: University of Southern California
Current Profile
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Insurance Plans Accepted by Dr. Karen E Guinn

  • BLUE CROSS of CALIFORNIA

Medical Specialties

Dr. Karen E Guinn has the following 2 specialties

Specialty Expertise

Dr. Karen E Guinn has the following 9 areas of expertise

  • Aligners
  • Braces
  • Cross Bite
  • Crowding
  • Open Bite
  • Orthodontics
  • Overbite
  • Space Maintainers
  • Underbite

Certifications, License, & Education

MEDICAL LICENSE

Doctor Of Dental Surgery, California, 2026, Active

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Frequently Asked Questions

How can I make an appointment with Dr. Karen Guinn?
You can find contact information for Dr. Karen Guinn here on Vitals.
Is Dr. Karen Guinn accepting new patients?
Dr. Karen Guinn is accepting new patients on Vitals. View Dr. Karen Guinn's profile on Vitals to make an appointment.
Does Dr. Karen Guinn accept virtual/telehealth appointments?
Dr. Karen Guinn has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Karen Guinn accept my insurance?
You can see the insurance plans that Dr. Karen Guinn accepts on their Vitals profile.
Where is Dr. Karen Guinn's office located?
Dr. Karen Guinn's office is located at 1175 E Green St, Pasadena, CA, 91106.

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