AOS Orthodontists

Meet Our Orthodontists

Orthodontic expertise connected to the bigger picture: your teeth, bite, jaw structure, and coordinated care.

Orthodontics • Surgical Planning • Craniofacial Care
Orthodontics & Dentofacial Orthopedics

Ryan Cody, DDS, MSD

Board-Certified Orthodontist & Craniofacial Orthodontist

Background & Approach

Dr. Ryan Cody combines orthodontic specialty training with fellowship training in craniofacial orthodontics. His clinical work includes orthodontic care for patients with cleft lip and palate and preparation for orthognathic jaw surgery.

At AOS, he works with the surgical team to connect tooth alignment with the planned jaw correction. His background in multidisciplinary craniofacial care informs treatment planning for patients whose needs extend beyond straightening their teeth.

His commitment to access to care also includes Exchange for Smiles and international cleft care service. He speaks English and Spanish.

Education & Training

  • Craniofacial Orthodontics Fellowship
    Texas Children’s Hospital, Department of Plastic Surgery · 2022–2023
  • Master of Science in Dentistry & Certificate in Orthodontics and Dentofacial Orthopedics
    University of Texas School of Dentistry at Houston · 2022
  • Doctor of Dental Surgery
    University of North Carolina at Chapel Hill · 2020
  • Bachelor of Arts, Biology
    University of North Carolina at Chapel Hill · 2016

Board Certification & Credentials

Academic Appointments

Hospital & Clinical Affiliations

Orthodontics & Dentofacial Orthopedics

Ruben D. Viloria, DDS

Orthodontist • Orthodontics & Dentofacial Orthopedics

Background & Approach

Dr. Ruben Viloria brings a background in general dentistry, advanced restorative care, and orthodontics to coordinated treatment at AOS. He earned his dental degree in the Dominican Republic before continuing postgraduate training at Columbia University and completing orthodontic specialty training at Howard University.

His clinical experience includes malocclusion correction, functional appliances, clear aligners, digital orthodontics, and maxillary skeletal expansion using temporary anchorage devices. Within coordinated care, orthodontic treatment is considered alongside the patient’s bite and skeletal treatment plan.

Dr. Viloria speaks English and Spanish, supporting clear communication about treatment options and the steps involved in care.

Education & Training

  • Certificate in Orthodontics
    Howard University College of Dentistry
  • Advanced Education in General Dentistry
    Columbia University
  • Doctor of Dental Surgery
    Universidad Católica Tecnológica del Cibao, Dominican Republic

Specialty Credentials & Professional Profile

Hospital-Based Postgraduate Training

Clinical Focus & Coordinated Care

  • Bite correction, braces, functional appliances, and clear aligners.
  • Digital orthodontics and maxillary skeletal expansion with temporary anchorage devices.
  • Orthodontic planning with the AOS team and coordination with referring clinicians.
Orthodontics & Dentofacial Orthopedics

Andrea (Andi) Singer, DMD, MSc

Orthodontist • Fellowship-Trained in Craniofacial Orthodontics

Background & Approach

Dr. Andi Singer combines specialty training in orthodontics with a craniofacial orthodontic fellowship at NYU Langone Hospital. She earned her dental degree at McGill University and completed a Master of Science in Craniofacial Science and Diploma in Orthodontics at the University of British Columbia.

Her fellowship involved interdisciplinary care for patients with craniofacial differences and special care requirements. Her clinical interests include growth modification, airway health, and collaboration across specialties.

Her research spans clear aligner treatment, orthodontic appliances, and presurgical infant orthopedics for cleft lip and palate. At AOS, her orthodontic perspective contributes to coordinated assessment of the teeth, bite, and facial structures.

Education & Training

Fellowship & Specialty Credentials

  • Fellow of the Royal College of Dentists of Canada (FRCDC), Orthodontics · 2025
  • Royal College of Dentists of Canada — fellowship requirements
  • National Dental Specialty Examination · 2025
  • American Board of Orthodontics written examination completed · 2024. This is one component of the certification process.
  • Presurgical Lip, Alveolus, and Nose Approximation (PLANA) device certification · 2025

Academic & Research Experience

  • Master’s research at the University of British Columbia on Carriere distalizer and clear aligner treatment.
  • Orthodontic research at McGill University involving occlusal contacts following clear aligner treatment.
  • NYU Langone — publication listing including Dr. Singer’s cleft research
    Coauthor of a 2026 comparative study of presurgical lip, alveolus, and nose approximation and nasoalveolar molding.

Hospital-Based Fellowship Experience

  • NYU Langone Hospital
    Completed craniofacial orthodontic fellowship, July 2025–June 2026.
  • Interdisciplinary training for patients with craniofacial anomalies and special care requirements.
  • Fellowship training is a completed educational role; current AOS appointments are coordinated through our team.
Connected Care

Your orthodontist. Your surgeon. One coordinated plan.

AOS works with referring orthodontists as well as our in-house team. A surgical evaluation does not require transferring your orthodontic care. Tell us who is already involved so we can coordinate treatment sequencing and communication.

Start with an evaluation

Find the next step in your care.

Share your concerns and your current treatment plan. Our team will help coordinate the appropriate evaluation and clinician.

Request an Evaluation