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Expert Orthodontic Care in Philadelphia
Invisalign Philadelphia is a Philadelphia-based orthodontic practice led by Dr. William W. Roberts III and Dr. Tanja J. de Marsche. With decades of combined experience, our team specializes in advanced orthodontic solutions, including Invisalign clear aligners and traditional braces. Dr. Roberts, a three-time graduate of the University of Pennsylvania, and Dr. de Marsche, a Georgetown University alumna, bring extensive academic and clinical expertise to every patient interaction. We prioritize personalized care, leveraging cutting-edge technology and evidence-based practices to deliver optimal results.

As the only Invisalign Platinum Elite Provider in Philadelphia, we combine innovation with a commitment to patient comfort and satisfaction. Our practice emphasizes transparency, affordability through flexible payment plans, and a collaborative approach with general dentists to ensure comprehensive care. With over 30 years of service in Philadelphia and surrounding areas, we remain dedicated to transforming smiles with professionalism and precision.
Services
Invisalign Invisalign Teen Braces Smile Gallery Free Consultation
Highlights and features
  • Board-certified orthodontists with decades of specialized experience
  • Only Invisalign Platinum Elite Provider in Philadelphia
  • Personalized treatment plans using advanced orthodontic technology
  • Flexible payment plans with no hidden costs
  • Proven track record of successful smile transformations
Associations and certifications
  • American Board of Orthodontics
  • Invisalign Platinum Elite Provider
What people say
Great service! Best Orthodontist Office Highly recommend Professional and friendly Perfect results
Services
Invisalign
Invisalign uses custom clear aligners to straighten teeth discreetly. This technology-driven solution offers comfort and convenience for adults and teens seeking modern orthodontic treatment. Patients appreciate the removable design for eating and cleaning.
Invisalign Teen
Invisalign Teen addresses orthodontic needs for adolescents. The system includes compliance indicators and eruption tabs for growing smiles. This approach balances effectiveness with lifestyle considerations for active teenagers.
Braces
Conventional braces provide precise tooth movement for complex cases. Our practice combines this proven method with modern materials for improved comfort and aesthetics during treatment.
Free Consultation
We offer complimentary consultations to assess orthodontic needs. This includes treatment planning, financial options, and determining the best approach for achieving optimal dental alignment.
Smile Gallery
Our Smile Gallery showcases real patient transformations. These visual examples demonstrate treatment outcomes for various cases, helping patients understand potential results from different orthodontic approaches.
People
Dr. William W. Roberts III
Orthodontist
Three-time University of Pennsylvania graduate with over 30 years of orthodontic practice. Board-certified specialist and former Temple University professor offering expert care in Philadelphia.
Dr. Tanja J. de Marsche
Orthodontist
Georgetown University and University of Pennsylvania-trained orthodontist. Board-certified with academic leadership experience, providing specialized care with a patient-focused approach in Philadelphia.
Questions
What orthodontic treatments do you offer?
We specialize in Invisalign clear aligners, Invisalign Teen, and traditional braces for comprehensive smile correction.
Are you accepting new patients?
Yes, we welcome new patients and offer free initial consultations for all orthodontic treatment options.
Do you offer payment plans?
We provide flexible, affordable payment options with no hidden costs for all treatment packages.
What areas do you serve?
We serve Philadelphia, Lawrenceville NJ, Woodinville WA, and surrounding communities.
How experienced are your orthodontists?
Our doctors have over 60 combined years of experience and are board-certified specialists in orthodontics.
What makes you different from other providers?
We're Philadelphia's only Invisalign Platinum Elite Provider with decades of specialized orthodontic expertise.
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