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Pediatric Dental Appliances

Though many parents think of “teenagers” when presented with the term “dental appliances,” the use of such appliances in young children is very common.  Some dental appliances may be recommended for preventative purposes, while others may be recommended for treatment purposes.

It can be extremely difficult to encourage young children to wear removable dental appliances regularly, but there is some good news.  Pediatric dental appliances can prevent injury to the teeth and may also reduce (or even eliminate) the need for extensive treatment later.

What types of pediatric dental appliance are most common?

There are many types of pediatric dental appliances – each one fulfilling a different dental function.  The major categories of pediatric dental appliance are described below:

Space Maintainers

Sometimes, primary (baby) teeth are lost prematurely due to trauma or decay.  If they are in the back, then adjacent teeth tend to shift to fill the space, causing spacing and alignment problems for permanent (adult) teeth.  Space maintainers or “spacers” are inserted as placeholders until the permanent teeth are ready to erupt.  

  • Fixed space maintainers – Depending on the position of the missing tooth and the condition of the surrounding teeth, the children's dentist may adhere a “band and loop,” a “crown and loop,” or a “distal shoe” type of spacer to fill the empty gap.  All spacers fulfill the same function; just the nature of the attachment to the adjacent teeth differs.  Fixed spacers are usually made of metal and are highly durable. 

Mouth Guards

The American Academy of Pediatric Dentistry (AAPD) and American Dental Association (ADA) recommend that children wear mouth guards when engaging in any potentially injurious activity, including sporting and recreational endeavors.

A thermoplastic “boil-and-bite” mouth guard can be purchased at a sporting goods store.  Similar mouth guards are used for children who “brux” or grind their teeth at night but have limited success.

Thumb Sucking Appliances

The majority of children naturally outgrow their thumb-sucking habit.  However, children who continue to thumb suck after the age of five or six (especially vigorously) risk oral complications.  These complications include: narrowed arches, impacted teeth, and misaligned teeth.  The “palatal crib” appliance usually stops thumb sucking immediately.

The “crib” is crafted and affixed to the teeth by the Orthodontist. This prevents the thumb from reaching the roof of the mouth and reduces gratification – and breaks the habit very quickly.  Removable variations of the “crib” are also available, and can be used depending on the age of the child and his or her willingness to cooperate.

Expansion Appliances

An overbite, where the upper front teeth protrude over the lower front teeth, can be corrected with an expansion appliance, as can a crossbite.  The expansion appliance is used to stretch and widen the arch, providing enough space for the teeth to be realigned in a straight manner.  Expansion appliances are custom-made, and can be affixed to the inside or the outside of the teeth.  Referral to the Orthodontist will be made at an appropriate time.


If you have questions or concerns about dental appliances, please contact your children's dentist.



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