• Member American Association of Orthodontists
  • Member American Board of Orthodontists
  • Member Southern Association of Orthodontists
  • Marietta's Premier Preferred Invisalign Orthodontist
  • Marietta's Premier Preferred Invisalign Teen Orthodontist

Your Trusted Marietta Orthodontist for over 20 years...and Experience Matters

Here at Johnston Orthodontics, we strive to provide the highest quality of orthodontic care to our patients in and around the East Cobb and Marietta, Georgia areaDr. Mark Johnston knows what a significant difference in health and self-esteem a beautiful smile can make, which is why Johnston Orthodontics is  dedicated to giving each of our patients the beautiful smile they deserve!

Invisalign® and Invisalign® Teen are series of clear, plastic aligners that straighten your teeth without the usual noticeable, bulky materials involved with traditional braces. No one will know you’re improving your smile unless you tell them!

Think you’re too old for braces? Think again! We are experts at providing orthodontics to patients of all ages, even adults. We provide an assortment of aesthetic adult orthodontic treatment options for patients who’d like to discreetly straighten their smile.

At Johnston Orthodontics, we’re changing lives – one smile at a time!

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