It Usually Starts Long Before Adulthood
Protruding front teeth, sometimes called an overjet, almost always trace back to habits or growth patterns from childhood rather than anything that happened recently. Prolonged thumb sucking or pacifier use past the age where jaw growth is still highly adaptable can gradually push the upper front teeth forward while the lower jaw develops differently in response. By the time someone reaches adulthood, the position has simply become permanent without ever having been corrected, which is why so many adults describe the issue as something they have simply lived with rather than something anyone ever addressed.
Genetics Plays a Bigger Role Than Most People Realize
Jaw size and shape are inherited traits, much like height or eye color. A person can have excellent oral hygiene and no history of childhood habits and still develop a noticeable overjet simply because they inherited a smaller lower jaw relative to their upper jaw. This genetic component is worth understanding because it means the issue was never really about anything the person did or did not do, and it removes any sense that the condition reflects poorly on someone’s dental care habits.
Tongue Position Can Quietly Contribute Too
A pattern called tongue thrust, where the tongue pushes against the front teeth during swallowing or at rest rather than resting against the roof of the mouth, can gradually move front teeth outward over years. This habit often continues unnoticed into adulthood and can undermine orthodontic results if it is not addressed alongside the tooth movement itself.
A myofunctional therapy program, focused specifically on retraining tongue posture and swallowing patterns, is sometimes recommended alongside orthodontic treatment when tongue thrust is identified as a contributing factor. Skipping this step in cases where it is genuinely needed can allow teeth to gradually drift back toward their original position even after braces or aligners are removed.
What Treatment Actually Looks Like for Adults
Correcting an overjet in an adult generally involves one of a few approaches depending on severity:
- Traditional braces, which remain effective for significant tooth movement
- Clear aligners, a good option for milder to moderate cases with strong compliance
- A combination approach addressing both tooth position and any underlying tongue habit
- In severe skeletal cases, coordination with an oral surgeon for jaw correction
Most adult cases fall into the first two categories, since severe skeletal discrepancies requiring surgical correction are less common than cases driven primarily by tooth position.
What to Expect During the Process
Adult treatment generally takes longer than treatment started during adolescence, since adult bone remodels more slowly than a still-growing jaw. A Gardendale orthodontist evaluating an adult case will typically set realistic expectations upfront about timeline, which commonly runs between twelve and twenty four months depending on the degree of correction needed and whether any tongue habit needs to be retrained alongside the tooth movement, plus a retention period afterward to keep results stable.
Adults Are Not Too Old to Start
A common misconception is that orthodontic correction is only appropriate during childhood or adolescence, but healthy adult teeth and bone respond well to properly applied orthodontic force at any age. The main difference is pacing and, in some cases, additional coordination with dental work already present, such as crowns or bridges that need to be accounted for in the treatment plan and factored into how force is applied.
Getting an Honest Evaluation
Understanding why front teeth ended up in their current position helps set realistic expectations for what treatment can achieve and how long it will reasonably take. Backus Smiles Orthodontics evaluates each adult case individually, since the right approach depends heavily on the specific combination of factors involved.
See What Your Actual Options Look Like
If protruding front teeth have bothered you for years, a Gardendale orthodontist consultation is a straightforward way to finally understand what correction would realistically involve for your specific bite.