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Underbite Treatment Grants Pass, OR


An underbite affects more than the appearance of your smile. When the lower teeth sit in front of the upper teeth, it can make chewing and speaking harder, wear down enamel, and strain the jaw joints.

At Robinson Orthodontics, Dr. Harmon provides personalized underbite treatment for children, teens, and adults in Grants Pass and throughout Southern Oregon, helping patients achieve a healthier bite and a confident smile.

What Is an Underbite?


An underbite, also called a Class III malocclusion, occurs when the lower jaw and teeth extend past the upper front teeth when the mouth is closed. Some underbites are dental, caused by the position of the teeth.

Others are skeletal, meaning the lower jaw has grown too far forward or the upper jaw is underdeveloped. Genetics are the most common cause, though habits like thumb sucking, prolonged pacifier use, and tongue thrusting can contribute.

Common Signs of an Underbite



•  Lower front teeth overlapping the upper front teeth
•  Difficulty biting or chewing food
•  Speech difficulties, such as a lisp
•  Jaw pain, clicking, or TMJ discomfort
•  Uneven or excessive tooth wear
•  A prominent chin or lower jaw profile

Why Underbite Correction Matters


Left untreated, an underbite can lead to chronic jaw pain, worn or chipped teeth, gum problems, and difficulty eating. Correcting the bite improves oral function, protects long-term dental health, and creates better facial balance.

Underbite Treatment Options at Robinson Orthodontics


Every underbite is different. Dr. Harmon uses 3-D iCAT™ imaging to evaluate your teeth and jaw structure in detail, then designs a plan tailored to your needs.

Early Treatment for Children


The American Association of Orthodontists recommends a first orthodontic checkup by age 7. Because a child's jaw is still growing, early treatment with appliances such as palatal expanders or reverse-pull face masks can guide jaw development and often reduce the need for more complex treatment later.

Braces and Clear Aligners for Teens and Adults


For teens and adults, underbites can often be corrected with SmartClip™ self-ligating braces or Invisalign® clear aligners, frequently paired with elastics to shift the bite into proper alignment.

Advanced Options for Complex Cases


Temporary anchorage devices (TADs) allow for more precise tooth movement in challenging cases. For severe skeletal underbites in adults, Dr. Harmon can coordinate orthodontic care with an oral surgeon for corrective jaw surgery.

Why Choose Dr. Harmon for Your Underbite?


Dr. Jon Harmon grew up in Grants Pass and has served the community since opening Robinson Orthodontics in 2004.
He earned his dental degree from Oregon Health & Science University and a Master's in Orthodontics and Dentofacial Orthopedics from Loma Linda University, giving him specialized training in both tooth alignment and jaw development.

Schedule Your Underbite Consultation in Grants Pass


Ready to correct your underbite? Call Robinson Orthodontics at (541) 441-8288 or visit us to schedule your complimentary consultation.

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Underbite Treatment Grants Pass, OR | Robinson Orthodontics
Correct your underbite with Dr. Jon Robinson in Grants Pass, OR. Early treatment, braces & Invisalign for kids, teens & adults. Book a free consultation!
Robinson Orthodontics, 124 NE Evelyn Avenue, Grants Pass, OR 97526-1427 ~ (541) 441-8288 ~ robinsonorthodontics.net ~ 9/18/2026 ~ Page Phrases: orthodontist Grants Pass OR ~