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Your Trusted Orthodontist in Acton, MA
Acton Orthodontic Associates has been a trusted provider of orthodontic care in the Acton community since the early 1970s. Our practice combines over five decades of clinical expertise with a commitment to scientific rigor and patient-centered care. Dr. Margherita Santoro, a board-certified orthodontist with extensive academic and clinical experience, personally oversees every patient's treatment. We prioritize gentle, evidence-based approaches while adhering to the highest standards from organizations like the WHO, CDC, and American Dental Association.

Our small-practice environment fosters personalized attention, with flexible scheduling options including extended evening hours. We serve patients of all ages, offering customized solutions for complex orthodontic needs while maintaining a legacy of multigenerational trust.
Services
Braces Invisalign Retainers Orthodontic Emergencies Adult Orthodontics
Highlights and features
  • Dr. Santoro personally treats every patient with over 30 years of clinical expertise
  • Board-certified orthodontist with academic leadership at Columbia University
  • Adherence to clinical protocols from WHO, CDC, and American Dental Association
  • Flexible scheduling with extended evening hours available
  • Multigenerational practice serving Acton families since 1972
Associations and certifications
  • American Board of Orthodontics
  • American Dental Association
  • Massachusetts Dental Society
What people say
Heartfelt compliments Sincere demonstrations of affection Well treated happy families Excellent orthodontic treatment Positive treatment outcomes
Services
Braces
Traditional metal braces provide precise tooth movement for complex alignment issues. Our customized treatment plans address overcrowding, bite irregularities, and facial aesthetics. Patients receive detailed care instructions and regular adjustments to ensure optimal results.
Invisalign
Invisalign offers removable, nearly invisible aligners for discreet teeth straightening. Using advanced 3D imaging, we create sequential trays that gradually shift teeth into proper position while maintaining oral hygiene accessibility.
Retainers
Custom-fitted retainers maintain post-treatment alignment. We provide both removable and fixed options, with personalized wear schedules to prevent relapse and ensure long-term stability of your corrected bite.
Orthodontic Emergencies
We address urgent orthodontic issues including broken wires, loose brackets, and trauma. Our emergency protocols provide immediate guidance for avulsed teeth, luxation injuries, and appliance malfunctions to minimize treatment disruption.
Adult Orthodontics
Specialized care for mature patients seeking improved aesthetics and function. We offer esthetic options like clear brackets and Invisalign while addressing unique considerations such as periodontal health and existing dental work.
People
Margherita Santoro
Orthodontist
Dr. Santoro is a board-certified orthodontist with over 30 years of clinical experience. Former Columbia University faculty member and past president of the E.H. Angle Society. Specializes in complex cases and interdisciplinary treatment.
Questions
What orthodontic emergencies require immediate attention?
True emergencies involve pain, tissue damage, or avulsed teeth. Most appliance issues can wait for regular hours but require prompt attention to maintain treatment progress.
How does Acton Orthodontic Associates handle complex cases?
Dr. Santoro personally manages all complex cases using evidence-based approaches developed through academic research and 30+ years of clinical experience.
What payment options are available?
Contact our office directly for detailed information about payment plans and insurance processing options tailored to individual treatment needs.
Are evening appointments available?
Yes, we offer extended evening hours several times monthly to accommodate busy schedules while maintaining personalized care standards.
How are treatment plans customized?
Each plan considers individual orthodontic needs, facial aesthetics, functional requirements, and patient preferences using comprehensive diagnostic evaluation.