Welcome to Grace Dental Seattle!

Thank you for visiting the website of Grace Dental, Family & Cosmetic Dental office located in north Seattle, the heart of Lake City Way and 125th Street.

Grace Dental was previously known as the dental office of Dr. Jang S. Wu, DDS, who started this practice in early 1980s. By the time Dr. Wu retired and Dr. Guo acquired it in February 2008, this practice had been well established, since Dr. Wu and his staff had helped many people and had acquired great reputation in Great Seattle area. It is Dr. Guo's great pleasure to be able to continue serving you in Seattle for your dental needs.

Dr. Guo graduated from the Dental School of West China University of Medical Sciences in 1991, and the School of Dentistry of University of Washington in 2000. She was practicing in Everett, Washington for seven years before acquiring the current practice. [More information about Dr. Guo] [구오 박사에 대한 자세한 정보]

Dr. Guo and staff are looking forward to meeting you and helping you to achive your goal of dental health. Please call (206)367-4281, fax to (206) 367-3986, or visit website at www.gracedentalseattle.com, Grace Dental,at 3212 NE 125th Street, Ste. B, Seattle, WA 98125.



Meet Our Doctors

Learn Who We Are

  • Dr.
    Grace Ying Guo, DMD MSD PhD

    Dr. Guo was originally from China. She graduated from Dental School of West China University of Medical Sciences (WCUMS) with degrees of DMD (Doctor of Medical Dentistry) in 1984, MSD (Master of Science in Dentistry) in 1987, and PhD in 1991. She was a faculty in WCUMS Dental School, lecturing as well as researching and practicing dentistry. Read More

  • Dr.
    Xiaorui Zhu BDS, MPH, DMD

    Dr. Xiaorui Zhu was born and grew up in Tianjin, China. She received her BDS from Sun Yat-sen University, China. Upon graduation, Dr. Zhu continued to pursue her passion in human services and healthcare by earning MPH from Yale University and DMD from Boston University Henry M. Goldman School of Dental Medicine with high honor. Read More

  • Dr. Aidi Niu, DMD

    Dr. Niu received her Doctor of Dental Medicine (DMD) degrees from both Sichuan University West China School of Stomatology and Boston University Henry M. Goldman School of Dental Medicine. She strives to maintain and uphold the highest level of excellence in her work, and is committed to empowering and educating patients while focusing on patient comfort during dental appointments. Read more

Featured Articles

Read about helpful topics

  • Dental Implants

    If you have recently dealt with an injury or disease that affected your oral health, there are options available to recover the smile you once had. You may even be able to achieve a better smile than the one you had. Dental implants make it possible to renew your smile if you have lost some teeth. There ...

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  • Tooth Decay Prevention

    What is tooth decay? Tooth decay begins with the Streptococcus mutans bacteria. These bacteria join with food particles and fluids in the mouth to create plaque, a constantly forming biofilm which sticks to the surface of tooth enamel. The bacteria in plaque convert the sugars in our foods into lactic ...

    Read More
  • Root Canal Treatment

    Every tooth has two sections: a crown, the visible part of the tooth above the gum line, and one or more roots, which anchor the teeth within the jaw. Each tooth has three basic layers: an outer layer of hard enamel (which protects the crown) or cementum (which covers the root), a middle layer of softer ...

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  • Fillings

    The bacteria in plaque produce acids that erode tooth enamel, eventually creating a hole, or cavity, in the tooth surface. Left untreated, this decay can spread to the interior of the tooth, and might lead to the need for a crown, a root canal, or even extraction. When caught early, your dentist can ...

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  • Veneers

    A dental veneer is a thin, durable porcelain shell that is custom-fabricated to cover the front of a tooth. Veneers can restore the appearance of teeth with chips, cracks, and stains, can close small gaps between the teeth, and can reshape misshapen or slightly misaligned teeth. Veneers are a popular ...

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  • Educational Videos

    Take a few minutes to watch our educational videos and learn more about different dental treatments and procedures. Video topics include general & cosmetic dentistry, Implants, oral health and hygiene, orthodontics and preventative dentistry. ...

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  • Laser Decay Diagnostics

    Using lasers, dentists can detect tooth decay that is not yet visible and would otherwise be undiagnosed using traditional methods. Laser cavity detection is based on the fact that healthy tooth structure reflects light, or “fluoresces,” differently than does decayed tooth structure. Teeth with decay ...

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  • Laser Dentistry

    Lasers direct a controlled force of energy that can remove or alter bone and tissue. By applying varying wavelengths of energy, dental lasers are used to detect and treat a myriad of oral health issues, including detecting oral cancer and treating small cavities. There are two different types of dental ...

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  • Same-Day Crowns

    A tooth that has been structurally damaged by decay or trauma sometimes needs to be crowned or “capped” so that it can look good and function properly again. A crown is a durable covering that is custom-made to fit over the entire tooth from the gum line up. Getting a crown used to mean multiple ...

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  • Digital X-Rays

    X-rays are one of the most important parts of a dental exam, and can help medical professionals detect problems long before they are visible to the naked eye, including early tooth decay, gum disease, abscesses, and abnormal growths. Benefits of Digital X-rays Easy to obtain Digital X-rays are obtained ...

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Grace Dental has two locations:
In Shoreline: 18532 Firlands Way North, Suite B, Shoreline, WA 98133 | Get Directions


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In Seattle: 3212 NE 125th Street, Suite B, Seattle, WA 98125
Tel: (206) 367-4281 | Get Directions


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Our Regular Schedule

Primary Location


9:00 am-5:00 pm


9:00 am-5:00 pm




9:00 am-5:00 pm


9:00 am-5:00 pm


by appointment only