Buck teeth aren’t just about teeth – Frankel 2 guides jaw development from the root.
When a child has protruding upper front teeth, an everted lower lip, or shows excessive gum tissue when smiling, most people’s first thought is to wait until all permanent teeth have erupted and then use braces to push them back. But if the problem is skeletal, simply aligning the teeth has limited effect and relapse is common.
The Frankel 2 functional appliance does not work by “pushing or pulling teeth.” Instead, it harnesses the child’s own growth force to adjust the relationship between the jaws. Its lip pads brace against the alveolar bone over the upper front teeth, restraining the maxilla from overgrowing forward. The mandibular guide plate encourages the child to bring the lower jaw forward during natural biting each day. Over time, the joints and muscles adapt to this new position, and the mandible genuinely grows forward. I know a twelve-year-old girl whose profile barely showed a chin before; after one year of wearing Frankel 2, her chin became clearly visible, and even her lip muscles relaxed – she no longer had to keep her lips tightly closed.

The buccal shields of Frankel 2 also relieve the buccinator muscle’s pressure on the dental arch, allowing the posterior width to increase naturally, resulting in a more rounded arch form. This appliance is removable and should be worn during the day and night as prescribed – it is easy to take out, put in, and clean. Of course, in the initial days, the child may feel some speech discomfort, but most adapt within a week.
Many orthodontists recommend Frankel 2 before the peak growth period, because once the jawbones are fully set, braces alone can hardly change the facial profile. If you don’t want to face more complex treatments in adulthood, assess your child’s suitability for Frankel 2 as early as possible while they are still growing. It is not magic, but with the right timing, it can truly give a child a more harmonious face. The value of Frankel 2 lies in respecting the laws of growth – working with nature, not against bone.
Frankel 2 offers a unique growth-guided solution for skeletal Class II problems in growing children, addressing the root cause rather than merely camouflaging tooth positions. For orthodontic practices looking to expand their treatment portfolio, partnering with a reliable dental lab partner is essential to ensure high-quality appliance fabrication and consistent clinical outcomes. Many clinics now leverage offshore dental lab China services to reduce costs while maintaining precision, and a trusted China dental lab can deliver Frankel 2 appliances with excellent fit and durability. Whether you manage fabrication in-house or through outsourced dental lab services, the key takeaway remains: early intervention with Frankel 2, combined with skilled technical support, can transform a child’s facial development and long-term oral health – proving that sometimes the best orthodontic strategy is to let growth do the heavy lifting.
























