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What’s the Function of Functional Appliances?

December 17th, 2025

Whenever we bite down, we’re applying force with our jaw muscles. Functional appliances direct these forces to create healthier tooth and jaw alignment. They’re used to help correct bite problems and to encourage symmetrical jaw growth.

Functional appliances aren’t always necessary. Because every child’s teeth and bite are different, orthodontic treatment at our Peoria office is carefully tailored to your child’s individual needs.

  • For the child with minor tooth misalignment, traditional braces or aligners might be all that’s needed.
  • For the child with a minor malocclusion, or bite problem, an orthodontist might use elastics (rubber bands) to bring teeth into healthy alignment.
  • For the child who has a more serious malocclusion, involving both tooth and jaw alignment, an orthodontist might recommend a functional appliance.

A severe Class II malocclusion can be caused when the upper jaw or teeth are positioned too far forward, and/or the lower jaw is too small or positioned too far back. Common Class II malocclusions include:

  • Open bite—the front teeth don’t touch when the back teeth bite down, or the back teeth don’t touch when the front teeth close.
  • Overbite—some overbite is normal. A deep overbite occurs when the upper teeth significantly overlap the lower teeth.
  • Overjet—the upper front teeth protrude further horizontally than they should.

Today’s functional appliances come in a variety of designs to treat Class II malocclusions. They can be fixed or removable. They can be used with or without braces. Some are designed to expand the upper palate to make sure there’s room for all the permanent teeth. What they all do is advance the position of the lower teeth and jaw to create a healthier, more comfortable bite.

Fixed devices are attached to the teeth and meant to be used full-time. These include the Forsus™ device, the Herbst® appliance, and the MARA appliance.

  • Forsus Device

This appliance works with braces. A spring coil rod is most often attached to bands on the first molars on the upper jaw. It’s then connected to the arch wire on the lower jaw. Just like elastics—but more effective!—these spring coil rods provide gentle forward pressure that encourages the lower jaw and teeth forward.  

  • Herbst Appliance

The Herbst appliance also applies forward pressure to the lower jaw using telescoping rods connecting the upper and lower teeth. The rods expand as the mouth opens, and telescope together as it closes, positioning the lower jaw further forward while the upper jaw is held back. The Herbst can be worn alone or with braces, and can also be used to expand the upper palate.

  • MARA Appliance

The MARA (Mandibular Anterior Repositioning Appliance) uses an adjustable “elbow” piece connecting bands on upper and lower molars to guide the lower jaw and teeth forward when the jaw closes.

Removable appliances such as Bionator and Twin Block appliances can also improve Class II malocclusions. They are meant to be worn for a specific number of hours each day, and can be taken out for sports or other activities as needed. Because it’s essential to get all the necessary hours in, removable appliances require commitment!

  • Bionators

A bionator is made of wire and acrylic, and it looks a lot like a retainer. The wire fits around the upper front teeth. It’s attached to a smooth piece of acrylic that sits behind the upper teeth and is shaped to guide the lower jaw forward when biting down. The bionator can also be adjusted to expand the upper palate.

  • Twin Block Appliance

The twin block appliance uses two separate pieces made of wire and smooth acrylic. Both pieces are modeled to fit precisely over the upper and lower arches. The acrylic “blocks” fit over the biting surfaces of the teeth, working together like a 3D puzzle. When your child bites down, the upper blocks slide into place behind the lower blocks, pushing the lower jaw and teeth forward. The top plate can also be adjusted to expand the upper palate if needed.

Because these appliances are best used while a child’s bones are still growing and developing, dentists and orthodontists recommend an orthodontic evaluation by age seven. Early treatment with a functional appliance can help correct serious bite problems before or together with braces. In some cases, functional appliances may reduce the need for headgear or surgery.

Todays’ orthodontic technology has made functional appliances more comfortable and efficient than ever before. Talk to Dr. Daniel Grob to discover how an individualized treatment plan and a custom appliance can give your child a healthy bite and a lasting smile.

Too old for braces? You Might be Surprised

December 10th, 2025

Although adolescence is a common time to get braces, there’s no reason for adults of any age to have to deal with crooked teeth, overbite, underbite, or other dental issues. In fact, the American Association of Orthodontists notes that demand for orthodontic treatment in adults continues to grow, with adults representing 20% of new patients.

You’re never too old for braces or other orthodontic appliances, but it’s important to consider the following:

  1. Braces don’t have to be as noticeable as the metal brackets of the past. Many adults opt for ceramic or plastic braces, which are bone-colored or clear, respectively. Another option is a lingual appliance, which attaches to the back side of your teeth. These so-called “invisible” braces are much less noticeable than traditional options.
  2. By adulthood, bone growth has stopped. This means that certain structural changes can only be achieved by surgery. Although this typically affects people with significant crowding, bite, or jaw problems, Dr. Daniel Grob can provide an individualized treatment plan that addresses your unique issues.
  3. Treatment may take a bit longer. The length of orthodontic treatment tends to be slightly longer for adults than adolescents. Exact estimates vary by individual, but the average length of time for adult braces wearers is two years, according to the Harvard Medical School.
  4. Outcomes are just as good for adults! Many adults worry that it’s too late to treat their orthodontic problems. However, treatment satisfaction tends to be very high, which is a testament to how effective braces can be in middle-aged and older adults.

Holiday Gift Ideas for Healthy Holiday Smiles

December 3rd, 2025

Need some gift ideas for family members and friends who seem to have absolutely everything? Who are impossible to shop for? Who tell you not to worry, it’s the thought that counts? Well, we have a few suggestions to show your loved ones that you’ve put a lot of thought into their gifts this holiday season. 

You love to see your friends and family smile, so we’ve come up with some smile-worthy ideas curated to their specific interests. And they’re braces-friendly, too!

Environmental Ally

The world is becoming a more eco-conscious place, and happily this transformation includes products designed for personal care. Put together a spa basket which is good for your friend’s dental health and the planet!

A recyclable gift box containing zero-waste, environmentally friendly bath products and organic cotton face cloths becomes even more mindful with the addition of bamboo or recycled plastic toothbrushes, bamboo interdental picks, and biodegradable floss. 

Don’t forget to include a colorful, insulated water bottle for sustainable hydration—and washing away food particles when there’s no handy place to brush after eating. Healthy planet/healthy smile.

Talented Techie

If your friend or relative is high-tech all the way, maybe it’s time for a dental upgrade. 

Water flossers are a great way to eliminate stubborn plaque around brackets and behind wires. Adjustable water pressure applies just the right amount of cleaning power. The flow can be directed to the gumline, between teeth, around brackets, or anywhere else needed. Some models even offer tapered heads with brushes designed specifically for cleaning braces. 

And for an extra thoughtful touch, include a packet of plaque disclosing tablets. Chewing one of these helpful little tablets will reveal any plaque that’s still on the teeth.

Adventure Seeker

How about a new backpack or carry-all for outdoor or travel adventures? A travel first aid kit is always a welcome addition for the person on the go.

Go the extra step and help a friend be prepared for anything with an emergency dental kit designed for braces. You can find these lightweight kits in stores or online, or you can assemble one yourself with a travel-size orthodontic toothbrush and toothpaste, floss threaders and floss, interproximal brushes, a travel mirror, and, of course, orthodontic wax in a handy kit bag. Include a pack of sugar-free gum—it helps with altitude changes and hydration. Ask Dr. Daniel Grob or the team at Valley Orthodontic Group for suggestions!

Film Buff

If your bestie likes nothing better than an evening spent in front of the home screen, consider a subscription or gift card for a streaming service tailored to his or her favorites, whether it’s classic films, sci-fi, action, rom-coms, or epic adventures. 

And don’t forget the binge-watch treats! Fill a basket with braces-friendly goodies like peanut butter cups, junior mints, soft chocolate truffles, and some sparkling water. Maybe add a gift card for healthy smoothies and ice cream. Who needs popcorn and sodas?

No matter who’s on your shopping list, tailoring your gifts to their interests and their well-being is a great way to share happy, healthy holiday smiles with family and friends in Peoria.

Tips for a Braces-Friendly Thanksgiving

November 26th, 2025

If it’s your first Thanksgiving dinner with braces, you might be a bit nervous. After all, broken brackets and wires can take the fun right out of feasting! 

Thankfully, we can help make your holiday meals more enjoyable with some menu tips for braces-friendly foods. 

#1 Be Choosy about Snacks

Thanksgiving is often more than one meal—it’s a whole day of nibbling. Just be sure to enjoy snacks which are safe for your brackets and wires while you wait for the turkey to make its appearance. Avoid foods like crunchy raw vegetables, nuts, popcorn, and chips, which can be hard on your braces. Instead, go for the softer selections on the appetizer tray:

  • Sliced and cubed fruits
  • Soft breads 
  • Deviled eggs
  • Spreadable or thinly sliced cheeses
  • Meatballs
  • Thinly sliced, soft deli meats

#2 Tweak Tradition as Needed

Some items on the traditional menu can be enjoyed as is, and some can be safely eaten with just a bit of tweaking. 

  • Creamy mashed potatoes and gravy are good to go
  • Soft-cooked vegetables are easy on braces and filled with nutrients
  • Turkey and ham are safe if you cut the meat from the bone and into bite-size pieces
  • Choose jellied cranberry sauce instead of crunchy versions
  • Stick to the soft, non-crunchy parts of dressing or stuffing and add some gravy for moisture
  • Enjoy rolls and bread without nuts or hard crusts

#3 Don’t Forget Dessert!

Luckily for us, many of our favorite Thanksgiving desserts are easy on braces. Delicious, braces-friendly choices include:

  • Pumpkin pie
  • Cheesecake
  • Apple pie with ice cream 
  • Soft cakes
  • Puddings
  • Soft truffles

Which desserts should wait until you’re finished with your orthodontic treatment? Nutty and chewy desserts and candies like pecan pie and caramels can cause loose or damaged braces, so it’s a “No, thank you” this year to the sticky, crunchy, and chewy items on the dessert buffet.

#4 Good Dental Hygiene Doesn’t Take Holidays Off

Holidays are busy, with shared meals and travelling and get-togethers in Peoria. But it’s still essential to make time for proactive dental care, especially now that you wear braces. 

Food which gets stuck in your brackets and wires isn’t just annoying, it’s also bad for your tooth enamel. When food sticks around, the bacteria in plaque use those sugars and carbs to create acids which erode teeth and lead to cavities. And since Thanksgiving day is often filled with nibbling on foods high in sugars and carbs, your teeth might need some extra TLC throughout the day.

  • If you’re home, brush and floss as usual after eating. If you’re travelling, bring a kit with a travel-size toothbrush and toothpaste and some floss to keep your braces and teeth clean and your breath fresh throughout the day. 
  • If you’ve been eating acidic foods, wait about 30-60 minutes to brush. Acids weaken enamel temporarily, and, until the enamel rehardens, brushing can be abrasive.
  • Hydrate with water. Water helps wash away food particles from teeth and braces and helps neutralize enamel-damaging acids in foods like cranberry sauce and sodas.

The team at Valley Orthodontic Group wants you to have a wonderful holiday with family and friends while you’re on your way to a beautiful, healthy smile. If you have any questions on just which foods should and shouldn’t be on your menu this Thanksgiving, talk to Dr. Daniel Grob to discover the best ideas for stress-free holiday feasting.

Dr. Daniel Grob
Dr. Jason Loop
25225 N Lake Pleasant Pkwy
Suite 1240

Peoria, AZ 85383
(623) 572-2683
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