3 doctors weighed in:

I need to know are space maintainers, suppose to make the new teeth that grow in look like they are decayed?

3 doctors weighed in
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In brief: No they're not

Space maintainers are a permanently cemented appliances used when baby teeth are lost too early, and the dentist is concerned that adjacent baby teeth will move and make it difficult for the adult tooth to come into.
A lack of space can mean that the adult tooth will come into the mouth in the wrong position, or even not erupt at all. Once the tooth starts to come in, the appliance is removed.

In brief: No they're not

Space maintainers are a permanently cemented appliances used when baby teeth are lost too early, and the dentist is concerned that adjacent baby teeth will move and make it difficult for the adult tooth to come into.
A lack of space can mean that the adult tooth will come into the mouth in the wrong position, or even not erupt at all. Once the tooth starts to come in, the appliance is removed.
Dr. Jennifer Holtzman
Dr. Jennifer Holtzman
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In brief: No

A space maintainer should have no affect on the erupting tooth at all.
It is possible that the tooth is decayed due to it being partially erupted and uncared for. Sometimes teeth erupt which are not healthy in the first place. The space maintainer is only to hold the space for the new tooth to come in easily.

In brief: No

A space maintainer should have no affect on the erupting tooth at all.
It is possible that the tooth is decayed due to it being partially erupted and uncared for. Sometimes teeth erupt which are not healthy in the first place. The space maintainer is only to hold the space for the new tooth to come in easily.
Dr. Robert Eckelson
Dr. Robert Eckelson
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