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a modern clinic for personalized orthodontic care

we help people smile more

our Sammamish clinic offers orthodontic treatment to all ages




At Porth, we are proud to offer a free, no-obligation Virtual Consult to help you plan your orthodontic care, from the convenience of your home — or anywhere! Your Virtual Consult takes less than 5 minutes to complete, and you’ll get personal feedback from Dr. Rooz about what your options are. You can visit our clinic in Sammamish afterward.

We promise you ...

Personalized Care

Orthodontic treatment can be a one time experience in life. Stories of wearing braces are passed through generations. Therefore, it is Porth’s mission to make these personalized gifts fun, positive and unique.

Customized Service

At Porth we believe that your journey to improve your smile should be individually tailored based on your expectations, interests, life style, and financial needs. We also believe that patient education helps develop personalized care and is at the core of our practice.

Digital Orthodontics

Porth was founded to provide high quality orthodontic care tailored to use novel 3D technologies. The treatments we offer are based on scientific evidence. We are the most high-tech orthodontics clinic in Sammamish.

why choose Porth as your orthodontic clinic in Sammamish

  • High Quality Scientific Evidence-Based Orthodontic Care

  • Highly Experienced & Caring Team

  • Appliance Of Your Choice (e.g., Invisalign & Lingual Braces)

  • Evening, Friday & Weekend Appointments

  • Acceptance Of Most Major Insurance Providers

  • Multiple Personalized Payment Plans

read more about #PorthExperience

from some of our patients

Rooz Khosravi, DMD, PhD, MSD

Dr. Rooz is a diplomate of the American Board of Orthodontics; a commitment to excellence that is held by only 30% of orthodontists. He is also an assistant professor of orthodontics at the University of Washington where he teaches at both the undergraduate and graduate levels. At UW Dr. Rooz also conducts research in the field of orthodontics and practices in the graduate clinic.


In addition to his dental and orthodontic training Dr. Rooz holds degrees in public health and bone biology. He is among less than 1% of orthodontists with such credentials.


His practice expertise includes clear aligner therapy, not only in providing the Invisalign appliance, but also creating custom Porth clear aligners. Dr. Rooz provides lingual braces (placed behind the teeth), which are a highly specialized treatment option that are truly invisible. In addition to his academic and clinical excellence Dr. Rooz brings his knowledge of and passion for technology to Porth, where he uses 3-D scanning and printing in every treatment plan.

Dr. Rooz and his highly skilled team strive to provide exceptional quality orthodontic care, working with specialists and dentists in Sammamish, Issaquah, Redmond, Carnation, Snoqualmie, and Fall City.

What you can expect from orthodontic services that we offer in Sammamish

At Porth we are excited to be a part of your smile journey. We love to work with parents as they explore options for their child’s treatment, as well as adults looking to improve their smiles. The Porth team takes great pride in offering personalized orthodontic care to all of our patients, including flexible appointments and affordable ways to start treatment. Our clinic is brand new, our technology is cutting edge and our care is customized.