Medically Reviewed by Dr. Michelle Haghpanah on September 30, 2026
As a parent, you want the best for your child’s health, and that includes their oral health. While you might think orthodontic care is something you don’t have to consider until the teenage years, dental experts recommend a much earlier start.
The American Association of Orthodontists advises that children have their first orthodontic evaluation by the age of seven. This milestone age is crucial because it allows orthodontists to identify potential issues early on, potentially saving young patients extensive orthodontic work later in life. At Pediatric Dentistry of San Jose, our team monitors your child’s dental development from their very first visit, so no problems are missed during the critical growth window.
What Is Early Orthodontics?
Early orthodontics, also called Phase I orthodontics, is a proactive approach to dental and jaw alignment issues in children. Typically, Phase I treatment starts between the ages of six and ten, focusing on guiding the growth and development of a child’s jaw and teeth while they still have a mix of baby and permanent teeth.
The primary goal of early orthodontics is to create more space for incoming permanent teeth, correct bite problems, and address harmful oral habits. Common Phase I treatment methods may include the use of dental appliances like:
- Complete or partial braces
- Space maintainers
- Palatal expanders
Early orthodontics can also improve a child’s facial symmetry, enhance their ability to chew and speak properly, and boost their self-esteem by addressing visible dental issues. By intervening at an early stage, pediatric orthodontists can reduce the severity of future orthodontic problems and shorten the duration of later treatments, sometimes eliminating the need for more invasive dental procedures entirely.
4 Signs Your Child May Benefit From Phase I Orthodontics
While a thorough evaluation is necessary to confirm whether your child needs Phase I treatment, certain patterns are worth bringing to your dentist’s attention.
A Thumb-Sucking Habit After Age Four
Thumb-sucking is common among young children, but when the habit persists beyond age four, it can lead to significant dental problems. Prolonged thumb sucking can cause the upper front teeth to protrude and the lower front teeth to tilt inward, and it can change the way your child’s jaw grows, potentially leading to an open bite where the front teeth don’t meet when the mouth is closed. Early orthodontic intervention can help correct these issues and may include habit-breaking appliances to discourage thumb-sucking.
Misaligned, Crowded, or Widely Spaced Teeth
If your child has crowded teeth, spacing issues, or teeth that don’t fit together properly when biting, Phase I treatment can guide the growth of the jaw and incoming permanent teeth, potentially reducing the need for extensive treatment later. Early intervention might involve spacers, partial braces, or other appliances to direct teeth into proper positions as they emerge.
Chronic Mouth-Breathing, Especially at Night
Chronic mouth breathing can signal underlying issues such as enlarged adenoids, swollen tonsils, or a narrow palate. This habit can lead to improper facial growth, altered tooth position, and a characteristic long-face appearance. Early orthodontic treatment can help widen the palate and improve nasal breathing, typically using a palatal expander to create more space and promote proper jaw development.
Speech Difficulties Linked to Bite or Tooth Position
Certain speech difficulties, particularly problems pronouncing specific sounds, can be related to the positioning of teeth or the shape of the palate. Orthodontic issues like an open bite, overbite, or underbite can interfere with proper tongue placement and affect speech. Early orthodontic treatment can correct these structural issues and improve your child’s speech by creating a better environment for proper speech development.
What to Expect at Your Child’s First Orthodontic Evaluation
An orthodontic evaluation at age seven is not a commitment to treatment. For most children, the outcome is a baseline record and a monitoring plan. The visit typically includes a clinical exam of your child’s teeth, bite, and jaw alignment, along with digital X-rays if needed to assess tooth eruption patterns and underlying jaw structure.
Your child’s orthodontist will review findings with you, explain any areas of concern, and describe what, if anything, warrants closer monitoring. You’ll come away with a clear picture of whether your child is on track, whether to schedule follow-up checkups, or whether there’s a specific issue worth addressing during the current growth phase. Many families find this evaluation clarifying even when no intervention is recommended right away.
How Phase I and Phase II Treatment Work Together
Phase I treatment addresses jaw and bite development during the mixed dentition stage, typically lasting nine to eighteen months. After Phase I is complete, most children enter a resting period while remaining baby teeth fall out and permanent teeth continue to come in. At the end of that period, an assessment determines whether Phase II treatment is needed and to what extent.
Phase II typically involves full braces or clear aligners and focuses on final tooth positioning once all permanent teeth are present. For many children, Phase I work meaningfully reduces the scope of Phase II or, in some cases, eliminates the need for it entirely. Understanding this two-phase approach helps parents plan ahead and set realistic expectations for the full course of their child’s orthodontic care.
Frequently Asked Questions About Early Orthodontics
At what age should my child have their first orthodontic evaluation?
The American Association of Orthodontists recommends a first evaluation by age seven. At this age, enough permanent teeth have emerged that an orthodontist can assess the bite, evaluate jaw development, and determine whether early intervention is needed or whether monitoring over time is the better approach. An early evaluation does not always lead to immediate treatment.
Does Phase I treatment mean my child will still need braces later?
Not necessarily. Phase I is designed to address jaw development issues while the bones are still growing. It often reduces the scope of Phase II treatment, and for some children it eliminates the need for Phase II altogether. The outcome depends on the specific problem being treated and how the child’s growth progresses after Phase I is complete.
What is a palatal expander, and does it hurt?
A palatal expander is an appliance that gently widens the upper jaw by applying light pressure to the midpalatal suture before it fully fuses. Most children experience some initial pressure and a temporary lisp as they adjust, but significant discomfort is uncommon. Children typically adapt to the appliance within a week or two.
Can thumb-sucking really affect my child’s teeth long-term?
Yes, prolonged thumb-sucking beyond age four can affect both tooth position and jaw development. The habit places consistent pressure on the front teeth and the developing palate, which can cause protrusion, an open bite, or a narrow palate over time. If the habit resolves before permanent teeth come in, many effects can correct on their own. Persistent habits into the school years are worth discussing with a pediatric dentist.
How do I know if my child’s bite is normal for their age?
Many bite variations are normal during the transition from baby teeth to permanent teeth, and some apparent irregularities self-correct as more permanent teeth emerge. The surest way to know is through a professional evaluation. An orthodontist can distinguish between developmental variation that will resolve on its own and a developing problem that benefits from early attention.
Schedule an Evaluation at Pediatric Dentistry of San Jose
Our board-certified team, including Dr. Michelle Haghpanah, Dr. Reena Grover, and Dr. Lisa Carrington, works alongside our orthodontic specialists to deliver personalized treatment options that set your child up for a lifetime of healthy smiles. Dr. Haghpanah holds hospital privileges at Lucile Packard Children’s Hospital at Stanford and completed her pediatric dental residency as chief resident at The Mount Sinai Medical Center, bringing a depth of training that guides every evaluation and treatment decision our team makes.
Ready to get your child evaluated for Phase I orthodontics? Contact our office today to schedule an appointment at Pediatric Dentistry of San Jose.
ABOUT THE AUTHOR
Dr. Michelle Haghpanah
Dr. Haghpanah is the lead pediatric dentist at Pediatric Dentistry of San Jose, serving families throughout East San Jose, Evergreen, and Milpitas. She completed her pediatric dental residency as chief resident at The Mount Sinai Medical Center and holds hospital privileges at Lucile Packard Children’s Hospital at Stanford. She is board-certified by the American Board of Pediatric Dentistry and holds a Master of Public Health from Yale University.
