A space maintainer is a small appliance that keeps room open for a tooth still on its way.

In kid words

"A space maintainer is a little helper we put in to keep that gap open, kind of like a bookmark holding your place until your new tooth is ready to grow in." It's small, it's custom-made just for your smile, and it stays put quietly while you eat, talk and play.

The parent version

A space maintainer is a small custom-made dental appliance placed after a primary tooth is lost earlier than expected, before the permanent tooth underneath is ready to arrive. Its one job is to keep the neighboring teeth from drifting into the gap, so the permanent tooth still has a clear, correctly sized opening when its own time comes.

Not every early loss calls for one. Whether it fits depends on which tooth was lost, your child's age, and how soon the tooth underneath is expected, so ask your pediatric dentist what makes sense for your child's situation.

Where you might hear it at our office

This word tends to come up alongside our restorative dentistry page, usually in the same conversation as a gentle extraction or a tooth lost earlier than nature intended. If a space maintainer fits your child's situation, the reasoning is walked through with you before anything is placed.

More words from a visit are explained in the rest of the dictionary.

Related words

Words that often come up alongside space maintainer: extraction, exfoliation, eruption.