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Expert Orthodontic Care for Adults and Teens in Lawrenceville & Philadelphia
With over 36 years of combined experience in Lawrenceville, New Jersey, and Center City, Philadelphia, Drs. Roberts and de Marsche provide expert orthodontic care for adults and teens. Our practice specializes in conventional braces, Invisalign, and cosmetic dentistry, supported by a highly experienced team committed to excellence. We operate from two state-of-the-art facilities designed for patient comfort, offering personalized treatment plans that align with individual oral health needs. Our approach emphasizes collaboration with general dentists to ensure comprehensive care, backed by a track record of over 3,000 successful Invisalign cases. We prioritize patient education, transparent communication, and the use of advanced technology to deliver durable, aesthetically pleasing results.

Our dedication to the community is reflected in our active involvement with local dental societies and outreach initiatives. By maintaining board-certified expertise through continuous professional development, we uphold the highest standards of orthodontic practice. Our facilities feature private treatment rooms, modern amenities, and dedicated spaces for children, ensuring a welcoming environment for all patients. We offer flexible financing options and insurance coordination to make quality orthodontic care accessible. Our goal is to transform smiles with precision, comfort, and a focus on long-term oral health.
Services
Dental Braces Invisalign Teen Braces Cosmetic Dentistry Orthodontic Consultations Adult Braces Invisalign Teen Smile Alignment Clear Braces Orthodontic Treatment
Highlights and features
  • We have over 36 years of combined experience in adult and adolescent orthodontics.
  • Our practice has successfully completed 3,000+ Invisalign cases.
  • We operate from two state-of-the-art facilities in Lawrenceville and Philadelphia.
  • Our team includes board-certified orthodontists with advanced craniofacial training.
  • We offer personalized treatment plans with transparent financing options.
Associations and certifications
  • American Board of Orthodontics
Services
Dental Braces
Traditional metal and clear braces correct misaligned teeth and jaw issues for patients of all ages. Our customized treatment plans address bite problems, spacing, and overcrowding with durable, effective solutions. The process combines advanced bracket technology with personalized care to achieve optimal alignment and oral health.
Invisalign
Invisalign uses virtually invisible aligners to straighten teeth without traditional brackets or wires. This removable system suits adults and teens seeking discreet orthodontic treatment. We provide tailored aligner sequences and regular progress monitoring to ensure precise tooth movement and a natural-looking smile transformation.
Teen Braces
Specialized braces for teenagers address developmental dental issues during growth years. Our approach balances effective correction with comfort features for active lifestyles. Treatment includes durable brackets, colorful band options, and guidance on maintaining oral hygiene during orthodontic care.
Cosmetic Dentistry
Post-orthodontic cosmetic treatments refine smile aesthetics through veneers, whitening, and contouring. These procedures address discoloration, minor imperfections, and shape irregularities. We combine orthodontic alignment with cosmetic techniques to create harmonious, confidence-boosting smiles tailored to individual facial structures.
Orthodontic Consultations
Comprehensive initial evaluations determine optimal orthodontic solutions for each patient. Our consultations include diagnostic imaging, bite analysis, and personalized treatment recommendations. We explain all available options, from traditional braces to Invisalign, ensuring informed decisions aligned with lifestyle and dental needs.
People
William Roberts
Orthodontist
Board-certified orthodontist with 40+ years of experience, former Temple University professor, and published researcher. Specializes in complex cases and adult orthodontics.
Tanja J. de Marsche
Orthodontist
Board-certified specialist with expertise in adolescent treatment and community dental outreach. Served as Mercer Dental Society president and Temple University faculty member.
Soleil de Marsche Roberts
Orthodontist
Craniofacial specialist with advanced training in sleep apnea treatment and cleft palate orthodontics. Affiliate faculty at University of Washington and nationally recognized speaker.
Questions
What orthodontic services do you offer for adults?
We provide Invisalign, clear braces, and traditional metal braces specifically tailored for adult patients seeking discreet, effective treatment options.
Do you accept dental insurance?
Yes, we work with most major insurance providers and handle claims processing to maximize your orthodontic coverage benefits.
How long does treatment typically last?
Most cases require 12-18 months of active treatment, with regular adjustments scheduled every 6-8 weeks for optimal progress.
Are financing options available?
We offer interest-free payment plans, full-payment discounts, and Chase Health Financing to make orthodontic care affordable for all patients.
What makes your practice unique?
Our board-certified team combines 36+ years of experience with state-of-the-art technology and personalized care in dedicated adult and teen treatment spaces.
Do you offer emergency orthodontic care?
While we don't provide 24/7 emergency services, we prioritize urgent orthodontic issues during regular business hours at both office locations.