- 63-109 Saunders St # Ba2, Rego Park, NY 11374
- (929) 229-1009
When a child’s lower jaw is developing in a way that will lead to bite problems, there is often a window of opportunity to guide that growth before it’s finished. Mandibular jaw growth modification is a category of orthodontic treatment that uses specialized appliances to influence how the lower jaw develops — reducing the severity of bite discrepancies and, in many cases, reducing or eliminating the need for jaw surgery later in life. Dr. Yelizar is a board-certified Syosset orthodontist who evaluates growing patients for jaw growth modification as part of a comprehensive, phased approach to long-term orthodontic care. If your child has been told they have a jaw discrepancy, an overbite, underbite, or bite that “doesn’t match,” early evaluation is essential.
The mandible is the lower jaw. In many growing patients, the lower jaw develops at a different rate or in a different direction than the upper jaw — leading to a bite discrepancy that affects both function and facial appearance. Mandibular growth modification uses orthopedic appliances to redirect, stimulate, or restrain jaw growth while the bones are still malleable and responsive.
Unlike braces or aligners — which move teeth within the jaw — growth modification works on the jaw itself. The goal is to correct the skeletal relationship between the upper and lower jaws during the growth phase, when the body is actively remodeling bone. Once growth is complete, this type of intervention is no longer possible without surgical options.
Growth modification is only effective while a patient is actively growing. The optimal window varies by individual — typically between ages 8 and 14 for most patients — but it depends on biological growth stage rather than chronological age alone. Dr. Yelizar assesses growth status through clinical examination and, when appropriate, skeletal maturity indicators to determine whether a patient is in the right phase for treatment.
This is why the American Association of Orthodontists recommends that children receive their first orthodontic evaluation by age 7 — not because treatment always starts that early, but because identifying jaw development concerns early preserves options.
Mandibular growth modification is used to address skeletal jaw discrepancies, most commonly:
Several types of appliances are used depending on the nature and direction of the jaw problem. Dr. Yelizar selects the appropriate tool based on a thorough evaluation of each patient’s growth pattern, bite, and compliance profile.
In some cases, growth modification is combined with limited braces or palatal expanders as part of a broader Phase I treatment plan. Dr. Yelizar will walk you through the full approach before any treatment begins.
One of the most meaningful outcomes of successful jaw growth modification is the potential to avoid orthognathic (jaw) surgery in adulthood. For patients with significant skeletal discrepancies who don’t receive growth modification during the growth phase, the remaining treatment option after growth is complete is often surgical-orthodontic treatment — which involves cutting and repositioning the jawbone.
Fixed appliances like the Herbst require an adjustment period of a few days to a week as the patient adapts to the new jaw position. Speech is temporarily affected for some patients and normalizes quickly. Removable appliances depend on consistent wear — typically 20+ hours per day — for optimal results.
Growth modification is Phase I of a broader treatment plan. After the jaw relationship is corrected, most patients will transition to a resting phase and then proceed to comprehensive braces or aligner treatment (Phase II) once all permanent teeth have erupted. Dr. Yelizar plans both phases from the start, so families understand the full roadmap before treatment begins.
We serve growing patients from Rego Park, Forest Hills, Kew Gardens, Elmhurst, Corona, and across Syosset. Early evaluations are low-pressure — if treatment isn’t indicated yet, Dr. Yelizar will simply establish a monitoring schedule and let you know what to watch for.
Jaw growth modification requires a board-certified orthodontist with the training to recognize jaw discrepancies, distinguish them from tooth-only problems, and select the right intervention at the right time. This is not a decision that should be made by a general dentist or a non-specialist.
At Beyond Smiles Orthodontics, we don’t over-treat. If your child doesn’t need growth modification, we’ll tell you. If they do, we’ll explain why, show you the data, and design a plan that addresses the problem efficiently. Our office is located at 63-109 Saunders St #BA2, Rego Park, NY 11374, accessible from throughout Syosset.
If you have a growing child and questions about their jaw development or bite, the best step is a consultation. The evaluation is low-pressure, and the information it provides is valuable regardless of whether treatment turns out to be necessary. Contact Beyond Smiles Orthodontics to schedule an appointment. We’ll assess your child’s growth status, explain what we’re seeing, and give you a clear recommendation.
Here are the questions we hear most often from parents exploring jaw growth modification for their child in Syosset. If you need more information, please contact our office.
We accept the vast majority of orthodontic insurance plans. Even if you don’t see your provider listed on our website, it’s worth calling our office to double-check your coverage. Orthodontic insurance can reduce your out-of-pocket expenses, after all, and you won’t have to worry about paperwork – we’ll handle your claims on your behalf.
