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37 Years
experience
Your Trusted Orthodontist in Philadelphia, PA
Philadelphia Orthodontists has been a trusted provider of orthodontic care in Philadelphia for over 36 years. Our practice specializes in personalized treatment plans for both adults and teens, offering cutting-edge solutions like Invisalign and conventional braces. With two conveniently located offices in Center City Philadelphia and Lawrenceville, NJ, we combine decades of expertise with state-of-the-art technology to deliver exceptional results. Our team of board-certified orthodontists, Dr. William Roberts and Dr.

Tanja de Marsche, brings a combined 60+ years of experience to every patient interaction. We prioritize patient comfort with private treatment rooms, modern sterilization techniques, and a welcoming environment for all ages. Our commitment to excellence extends to flexible financing options, free consultations, and a focus on long-term dental health benefits. From initial examination to final results, we ensure each patient receives tailored care that aligns with their lifestyle and budget.
Services
Invisalign Treatment Clear Braces Teen Orthodontics Orthodontic Consultation Invisalign Teen Dental Braces Orthodontic Retainers Tooth Alignment Cosmetic Dentistry Orthodontic Emergencies
Details
  • Year established: 1989
Highlights and features
  • 36+ years of combined orthodontic experience
  • Board-certified specialists for guaranteed expertise
  • Free initial consultations with treatment planning
  • Competitive pricing with flexible financing options
  • Two convenient locations in Philadelphia and NJ
Associations and certifications
  • American Board of Orthodontics
What people say
Beautiful smile transformation Experienced specialists Personalized care Comfortable atmosphere Professional staff
Services
Invisalign Treatment
Invisalign offers a discreet teeth-straightening solution using custom clear aligners. This treatment gradually shifts teeth into proper alignment without traditional metal braces. Ideal for adults and teens seeking aesthetic alternatives, the process includes regular check-ups and tray changes every two weeks.
Clear Braces
Clear braces provide a less visible orthodontic treatment option using tooth-colored brackets. These braces effectively correct misalignment while maintaining aesthetic appeal. Treatment includes regular adjustments and personalized care for optimal results in both adults and adolescents.
Teen Orthodontics
Specialized orthodontic care for teenagers addresses developmental dental issues during growth years. Treatment options include traditional metal braces, Invisalign Teen, and phase-based approaches. The program focuses on confidence-building and proper bite development for long-term oral health.
Orthodontic Consultation
Comprehensive orthodontic assessments determine the best treatment approach for each patient. The free consultation includes dental examination, treatment planning, and financial options review. Digital imaging and personalized recommendations help patients make informed decisions about their smile transformation.
Dental Braces
Traditional metal braces remain the most effective solution for complex orthodontic cases. This treatment uses durable stainless steel brackets and wires for precise tooth movement. Regular adjustments ensure steady progress toward achieving proper alignment and bite correction.
People
William W. Roberts III
Orthodontist
Board-certified orthodontist with 40+ years experience, former Temple University professor, and international lecturer. Specializes in adult and adolescent orthodontics with expertise in Invisalign and clear braces technology.
Tanja J. de Marsche
Orthodontist
Board-certified specialist with 35+ years of practice, former clinical professor at Temple University. Focuses on personalized treatment plans and innovative orthodontic solutions for patients of all ages.
Questions
What orthodontic services do you offer?
We provide Invisalign, clear braces, traditional metal braces, and specialized teen orthodontics for patients in Philadelphia and Lawrenceville.
Do you offer free consultations?
Yes, we provide complimentary initial consultations including treatment planning and financial options review.
Are your orthodontists board-certified?
Both Dr. Roberts and Dr. de Marsche are board-certified by the American Board of Orthodontics.
How long does treatment typically take?
Treatment duration varies but averages 12-24 months depending on case complexity and patient compliance.
Do you accept insurance?
We work with most major insurance providers and offer flexible payment plans to make treatment affordable.
What areas do you serve?
We serve patients from Philadelphia, Pennsylvania, and Lawrenceville, New Jersey locations.