Dr. Thomas M Horrigan, DDS, MS

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About This Provider

Dr. Thomas Horrigan holds both a Doctor of Dental Surgery (DDS) and a Master of Science (MS) in Orthodontics, representing the full academic and clinical pathway required to practice as an orthodontic specialist in Illinois. The MS credential reflects graduate-level residency training dedicated exclusively to tooth movement, jaw alignment, and bite correction, going well beyond what dental school alone covers. This distinction matters to patients: orthodontists complete two to three additional years after dental school focused on diagnosing and treating everything from simple crowding to complex bite problems. Dr. Horrigan practices in Arlington Heights, a northwest Chicago suburb, where he has maintained a community presence serving patients who need specialist-level orthodontic care. Adults, teens, and children with concerns about crowded teeth, spacing, or bite alignment can seek evaluation from Dr. Horrigan as a credentialed specialty provider. His dual-degree training positions him to approach complex cases with the diagnostic depth and clinical precision that full specialty education provides.

Specialties

• 1
  OrthodonticsPrimary

  Alignment of teeth and jaws, braces and clear aligners

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