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Medical Definition of W-arch
1. A fixed maxillary expansion device attached to the lingual part of the molars, with either bilateral or unilateral extension arms. (05 Mar 2000)
Lexicographical Neighbors of W-arch
Other Resources:
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1. A fixed maxillary expansion device attached to the lingual part of the molars, with either bilateral or unilateral extension arms. (05 Mar 2000)