A deep overbite, also known as a severe vertical overlap, occurs when the upper front teeth excessively cover the lower front teeth—sometimes so much that the lower teeth nearly disappear behind the upper ones when you bite down. While many people assume it’s primarily a cosmetic concern, a deep overbite can lead to serious dental and jaw problems if left untreated.
Accelerated Dental Wear and Tooth Fracture
One of the most common risks of a deep overbite is excessive wear on your teeth. When the lower teeth constantly strike against the backs of the upper front teeth or the palate, it creates unnatural pressure and friction. Over time, this can:
- Erode the enamel on the inside surfaces of the upper incisors
- Cause the lower front teeth to wear down prematurely
- Increase the risk of chipped or fractured teeth, especially in the front
Patients with deep overbites often notice their teeth looking shorter or more translucent as the protective enamel layer thins. In more severe cases, this constant trauma can lead to tooth sensitivity, cracks, or even complete fractures that require crowns, root canals, or extractions.
Increased Stress on the TMJs (Temporomandibular Joints)
Your TMJs are the hinges that connect your lower jaw to your skull, allowing you to open and close your mouth, chew, and speak. A deep overbite often forces the jaw into an unnatural position, placing excessive strain on these delicate joints and the surrounding muscles.
This added pressure can contribute to:
- TMJ disorders (TMD), including pain, clicking, or popping sounds when opening the mouth
- Chronic headaches
- Jaw fatigue, muscle tension, and difficulty chewing
- Long-term joint inflammation or degeneration
Because the bite is “off,” the jaw may shift forward or backward to compensate, further overloading the TMJs and leading to a cycle of discomfort that affects your overall quality of life.
Don’t Wait for Problems to Worsen
Many adults live with a deep overbite for years without realizing the cumulative damage it’s causing. The good news is that modern orthodontics offers effective, discreet solutions—such as clear aligners or braces—to correct the overbite, protect your teeth, and restore proper jaw function.
If you’ve noticed uneven tooth wear, jaw discomfort, or simply want to prevent future issues, schedule a consultation with our orthodontic team. Early intervention can save you from costly restorative dentistry down the road and help you achieve a healthier, more comfortable smile.
Ready to protect your teeth and jaw? Contact our office today for a complimentary evaluation. Contact Us | Bellevue, Washington | Schur Orthodontics
*Image by Robbin Higgins.