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15 Years
experience
Emergency
services
Your Trusted Dentist in Mercer Island, WA
At Mercer Island Dental, we are dedicated to providing exceptional dental care tailored to the unique needs of each patient. Our team of highly experienced professionals, including Dr. Goichi Shiotsu and Dr. Ryan Tam, combines advanced techniques with a compassionate approach to ensure optimal oral health. We specialize in biocompatible materials, systemic health considerations, and preventive care, addressing both aesthetic and functional concerns.

Our practice emphasizes patient education, empowering individuals to make informed decisions about their dental health. With a focus on trust, respect, and cutting-edge technology, we strive to create a comfortable environment where families feel confident in the care they receive. Our commitment to continuous learning and community involvement reflects our dedication to excellence in dentistry.
Services
General Dentistry Dental Crowns Invisalign Smile Makeovers Emergency Care Deep Cleaning
Details
  • Year established: 2011
Highlights and features
  • Decades of combined experience in advanced dental care
  • Use of biocompatible materials for safe, holistic treatments
  • Personalized care plans tailored to individual health needs
  • Advanced technology including dental microscopes and lasers
  • Consistently recognized as top dentists by Seattle Metropolitan Magazine
Associations and certifications
  • Academy of Osseointegration
  • Washington State Society of Prosthodontists
What people say
Professional and courteous staff High level of expertise Outstanding, experienced dentist Comfortable and caring experience Transformed my smile
Services
General Dentistry
Our general dentistry services focus on maintaining oral health through cleanings, exams, and preventive treatments. We address issues like cavities, gum disease, and tooth decay while emphasizing education to help patients maintain healthy habits. Using advanced diagnostics, we create personalized plans to ensure long-term dental wellness for families.
Dental Crowns
Dental crowns restore damaged or weakened teeth, providing strength and improving appearance. Custom-crafted to match natural teeth, these restorations protect against further damage after procedures like root canals. Our crowns combine durability with aesthetics, ensuring a seamless blend with your smile while enhancing functionality for daily use.
Invisalign
Invisalign offers a discreet solution for straightening teeth without traditional braces. These removable aligners gradually shift teeth into proper alignment, addressing crowding or spacing issues. Ideal for adults and teens, Invisalign combines comfort with convenience, allowing patients to achieve confident smiles without interrupting daily activities.
Deep Cleaning
Deep cleaning treats gum disease through scaling and root planing to remove plaque and tartar below the gumline. This procedure prevents tooth loss and systemic health complications by restoring periodontal health. Our gentle approach ensures patient comfort while promoting healing and preventing progression of gum infections.
Smile Makeovers
Smile makeovers combine multiple treatments to transform dental aesthetics and function. From veneers to implants, we address discoloration, misalignment, and missing teeth. Each plan is tailored to enhance facial harmony and confidence, using durable materials that mimic natural tooth structure for long-lasting, beautiful results.
People
Goichi Shiotsu
Dentist
Dr. Shiotsu earned his DDS from the University of California, San Francisco, and completed advanced training in prosthodontics and implant dentistry. A nationally recognized lecturer, he specializes in complex restorative cases and has been voted a top dentist by Seattle Metropolitan Magazine since 2011.
Ryan Tam
Dentist
Dr. Tam, a Mercer Island native, graduated from the University of Washington School of Dentistry. He focuses on patient-centered care, utilizing microscopes and sedation techniques to address anxiety. His background in research and community outreach emphasizes preventive care and oral-systemic health connections.
Questions
What emergency dental services are available?
We treat urgent issues like knocked-out teeth, severe pain, or broken restorations. Contact us immediately at (206) 232-3600 for prompt care.
Do you offer financing options?
Yes, we provide payment plans and financing to ensure accessible care for all patients needing extensive treatments.
What sets your dental practice apart?
Our focus on biocompatible materials, advanced technology, and personalized care prioritizes both oral and systemic health.
Are evening or weekend appointments available?
After-hours visits are reserved for established patients with emergencies. Regular hours accommodate most scheduling needs.