Best Practices for Bite Correction Methods in Orthodontics
Bite problems come in many different types, and the best way to fix yours depends on what's causing it. Not all bite issues need the same treatment—what works great for one person might not be right for another. Your orthodontist will evaluate your specific situation and recommend the approach most likely to succeed.
Class II Bite Problems: Upper Teeth Stick Out
When your upper teeth are positioned significantly forward compared to your lower teeth, that's called a Class II bite. This can happen because your upper jaw is too far forward, your lower jaw is too far back, or a combination of both.
For kids and teens still growing, an appliance called a Twin Block works really well. This device has plastic pieces on your upper and lower teeth that are angled at 45 degrees. When you close your mouth, these pieces guide your lower jaw forward. Over 12 to 18 months, wearing this device encourages your lower jaw to grow forward naturally while you're still growing. Studies show kids typically gain about 2 to 3 millimeters of forward jaw development with this treatment.
Herbst appliances work similarly but are more rigid, so they maintain consistent forward positioning. They require less patient cooperation because they work all the time (unlike Twin Block, which is removable). Some kids find them less comfortable for eating, but they're very effective.
Once kids finish growing or for teenagers needing additional correction, regular braces with elastic bands pulling the upper teeth back and lower teeth forward provide additional adjustment. This combination approach—starting with a growth-modifying appliance and then moving to braces—gives the best results.
Class III Bite Problems: Lower Jaw Sticks Out
When your lower jaw or lower teeth stick out too far, that's a Class III bite. The earlier this is caught, the better the results.
If your orthodontist catches this between ages 8 and 10, they can use a special headgear that holds your upper jaw forward and your lower jaw backward. This works with your natural growth to shift jaw development in the right direction. Starting earlier is more effective than waiting until you're older. About 20-30% of kids treated early do have some relapse (the teeth drift backward slightly), but the benefits still outweigh the downsides.
For kids who aren't growing anymore or for mild problems, braces can tilt your upper front teeth forward and your lower front teeth backward, creating the appearance of better positioning. This doesn't actually change your jaw structure, but it can make your bite and smile look much better functionally.
Very severe Class III bites in adults might need jaw surgery. An orthodontist can move the lower jaw backward surgically to create normal bite relationships. This is a bigger intervention but creates stable, permanent results that braces alone can't achieve.
Crossbites: Teeth Misaligned Side to Side
When your upper teeth bite on the inside of your lower teeth (instead of overlapping on the outside), that's a crossbite. This is often a width problem—your upper jaw is narrower than ideal.
If you're still growing, rapid palatal expansion can widen your upper jaw. This treatment uses a special device that gently but consistently pushes the roof of your mouth wider. Within 4 to 6 weeks, your upper jaw can be about 5 to 7 millimeters wider. The expansion works best while you're young because the bone of your palate is still capable of spreading. After you stop growing, your bones fuse together, and expansion becomes much more difficult—you'd need surgery.
Front teeth crossbites sometimes look scary but might fix themselves as you grow and as your jaw position naturally shifts. Your orthodontist monitors these cases and intervenes if the problem worsens or doesn't self-correct.
Open Bites: Teeth Don't Meet at All
An open bite means your front teeth don't close together when you bite down. In younger kids, this is often caused by habits—thumb sucking, tongue thrust, or mouth breathing.
The single best treatment is breaking the habit. When kids stop sucking their thumbs or learn to swallow correctly (without pushing their tongue forward), many open bites correct themselves naturally without any appliances. Sometimes a fixed appliance discourages the habit, making it easier for the child to stop.
In teenagers and adults, open bites are usually caused by jaw structure (excessive vertical growth). Braces alone have a hard time fixing this because natural forces tend to pull teeth apart, not together. Your orthodontist might use special devices to hold front teeth slightly intruded (pulled up into the bone), gradually reducing the gap. This takes time and patience.
Severe open bites sometimes need jaw surgery. Surgery can actually rotate the jaw in a way that closes the gap. Combined with braces before and after surgery, this approach creates permanent correction.
Deep Bites: Excessive Overlap
When your upper front teeth overlap your lower front teeth too much, you have a deep bite. Your orthodontist corrects this by intruding (slightly shortening) your upper front teeth and extruding (slightly lengthening) your lower front teeth. This process happens gradually over 12 to 18 months with braces using steady, gentle pressure.
Certain functional appliances also create deep bite correction naturally. When the appliance increases your vertical dimensions (the height of your back teeth), it reduces how much your front teeth overlap.
Treatment Timing Decisions
Starting treatment early during active growth sometimes gives better long-term results, especially for problems involving jaw size or position. Early expansion, growth modification with functional appliances, and early crossbite correction all have evidence supporting early treatment.
However, recent research also suggests that treating many problems later (once all permanent teeth are in) with comprehensive braces alone gives comparable long-term results. The advantage of waiting is avoiding multiple treatment phases and reducing total treatment time.
Your orthodontist balances these factors when recommending whether to start now or wait. Severe problems, structural issues, and specific situations benefit from early intervention. Mild crowding and spacing issues sometimes resolve on their own or respond equally well to comprehensive later treatment.
Working Toward Successful Results
Successful bite correction requires accurate diagnosis, appropriate treatment selection, and careful mechanics during treatment. Your orthodontist monitors progress throughout treatment, adjusting the plan as needed based on how your bite responds.
Not every mouth responds identically to the same treatment. Your genetics, growth pattern, and how your individual teeth respond to pressure all influence results. Communication with your orthodontist about any concerns—discomfort, teeth that seem to be moving wrong, or changes in bite function—helps them adjust your treatment if needed.
Retention after braces is crucial. Most bite corrections relapse somewhat without retention because teeth naturally want to return to their original position. Long-term retention, either with fixed wires or removable appliances worn nightly, protects your investment in straightening your bite.
References
1. Proffit WR, Fields HW, Sarver DM. Contemporary Orthodontics. 6th ed. Elsevier; 2019. 2. Baccetti T, Franchi L, McNamara JA Jr. Phases of the dentition and treatment planning for Class II malocclusion. Orthod Craniofac Res. 2000;3(3):147-159. 3. Franchi L, et al. Treatment effects of activator-headgear vs. twin-block in growing Class II malocclusion. Angle Orthod. 2004;74(6):768-774. 4. Will LA, et al. Rapid palatal expansion for severe crowded malocclusion: an alternate treatment rationale. Am J Orthod Dentofacial Orthop. 2001;119(2):138-144. 5. Kapust AJ, et al. Maxillary skeletal and dentoalveolar changes with intraosseous distraction osteogenesis.
Am J Orthod Dentofacial Orthop. 2007;132(5):573-579. 6. McNamara JA Jr, et al. Skeletal and dental changes following functional regulator therapy on Class II patients. Semin Orthod. 2001;7(4):224-240. 7. Kim KR, et al. Anterior open bite and forward head posture: study of their relationship. Am J Orthod Dentofacial Orthop. 1999;115(6):675-681. 8. Dahl EH, et al. Anterior maxillary osteotomy combined with sagittal split for deep bite correction. J Oral Surg. 1981;39(6):440-446. 9. Araújo MC, et al. Predictability of mandibular advancement using the sagittal split ramus osteotomy: clinical and technical factors. J Oral Maxillofac Surg. 2015;73(8):1547-1554. 10. Chintakanon K, et al. Interproximal contact areas and gingival embrasure widths. Int J Periodontics Restorative Dent. 1998;18(4):389-397.
Always consult your dentist to determine the best approach for your individual situation.Related reading: Braces Care Instructions: What Patients Need to Know and Braces Discomfort Relief: Complete Guide.
Conclusion
Am J Orthod Dentofacial Orthop. 2007;132(5):573-579. 6. McNamara JA Jr, et al. Talk to your dentist about how this applies to your situation. Talk to your dentist about what options work best for your situation.
> Key Takeaway: Evidence-based malocclusion treatment requires systematic selection among multiple biomechanical and surgical options matched to patient characteristics.